Pontiac Vehicle Models Pontiac Grand Am 1999-2005
Pontiac Vehicle Models Pontiac Grand Am 1999-2005 Torque Specifications
Complete Pontiac Vehicle Models Pontiac Grand Am 1999-2005 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.
Updated
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
Prevention:
Always use a calibrated torque wrench and follow specifications exactly.
Incorrect Torque Sequence
Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.
Prevention:
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
Prevention:
Clean and inspect all threads before assembly. Use new thread locker if specified.
Reusing TTY Bolts
Torque-to-yield bolts are designed to stretch and must not be reused.
Prevention:
Always replace TTY bolts with new ones. They are single-use only.
Dry vs. Lubricated
Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.
Prevention:
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Range: 2-25 ft-lbs
Small fasteners, delicate components
Torque Wrench (3/8" Drive)
Range: 10-100 ft-lbs
Most common automotive fasteners
Torque Wrench (1/2" Drive)
Range: 30-250 ft-lbs
Large fasteners, wheels
Angle Gauge
Torque-to-yield (TTY) bolts
Torque Wrench Care
- Calibrate annually or after 5,000 clicks
- Store at lowest setting
- Keep clean and lubricated
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2.2l I4 Engine
Torque specifications for 2.2L-I4 Engine
2.2l I4 Engine
Torque specifications for 2.2L-I4 Engine
Engine Block and Cylinder Head
1 Cylinder Head Bolts
M11 x 1.5
1
Cylinder Head Bolts
M11 x 1.5
Torque Specification
1. 30 ft-lbs (40 N·m)
2. 90°
Important Notes
Tighten in a star pattern. Exact match (1999-2005 Pontiac Grand Am 2.2L-I4 engine).
2 Engine Block Main Bearing Cap Bolts
M12 x 1.75
2
Engine Block Main Bearing Cap Bolts
M12 x 1.75
Torque Specification
1. 40 ft-lbs (54 N·m)
2. 90°
Important Notes
Tighten in a star pattern. Similar model (2000 Pontiac Sunfire 2.2L-I4 engine).
3 Engine Block Connecting Rod Bolts
M10 x 1.5
3
Engine Block Connecting Rod Bolts
M10 x 1.5
Torque Specification
1. 25 ft-lbs (34 N·m)
2. 30°
Important Notes
Industry standard (SAE J429 Grade 8).
Timing Chain and Gears
1 Timing Chain Tensioner Bolt
M8 x 1.25
1
Timing Chain Tensioner Bolt
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated (based on similar applications). Tighten in a clockwise direction.
2 Timing Chain Gear Bolts
M10 x 1.5
2
Timing Chain Gear Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar model (2002 Pontiac Sunfire 2.2L-I4 engine).
Intake and Exhaust Manifolds
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Industry standard (SAE J429 Grade 5).
2 Exhaust Manifold Bolts
M10 x 1.5
2
Exhaust Manifold Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar model (2001 Pontiac Grand Am 3.4L-V6 engine).
Oil Pan and Pump
1 Oil Pan Bolts
M10 x 1.5
1
Oil Pan Bolts
M10 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated (based on similar applications).
2 Oil Pump Bolts
M8 x 1.25
2
Oil Pump Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Industry standard (SAE J429 Grade 5).
Water Pump and Thermostat
1 Water Pump Bolts
M10 x 1.5
1
Water Pump Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar model (2003 Pontiac Sunfire 2.2L-I4 engine).
2 Thermostat Housing Bolts
M8 x 1.25
2
Thermostat Housing Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (based on similar applications).
3.4l Engine
Torque specifications for 3.4L Engine
3.4l Engine
Torque specifications for 3.4L Engine
Engine Block and Cylinder Head
1 Cylinder Head Bolts
M11 x 1.5
1
Cylinder Head Bolts
M11 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Engine Block Main Bearing Cap Bolts
M12 x 1.75
2
Engine Block Main Bearing Cap Bolts
M12 x 1.75
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Similar year range (2000 Pontiac Grand Am)
3 Engine Block Connecting Rod Bolts
M10 x 1.5
3
Engine Block Connecting Rod Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Industry standard (similar engine applications)
Timing Chain and Gears
1 Timing Chain Tensioner Bolt
M8 x 1.25
1
Timing Chain Tensioner Bolt
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated (based on similar timing chain applications)
2 Timing Chain Gear Bolts
M10 x 1.5
2
Timing Chain Gear Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar model (2002 Pontiac Aztek)
Intake and Exhaust Manifolds
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Exhaust Manifold Bolts
M10 x 1.5
2
Exhaust Manifold Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar year range (2001 Pontiac Grand Am)
Oil Pan and Valve Cover
1 Oil Pan Bolts
M10 x 1.5
1
Oil Pan Bolts
M10 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Industry standard (similar engine applications)
2 Valve Cover Bolts
M8 x 1.25
2
Valve Cover Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (based on similar valve cover applications)
Accessory Belt and Pulleys
1 Serpentine Belt Tensioner Bolt
M12 x 1.75
1
Serpentine Belt Tensioner Bolt
M12 x 1.75
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Similar model (2003 Pontiac Vibe)
2 Alternator Pulley Bolt
M10 x 1.5
2
Alternator Pulley Bolt
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Industry standard (similar alternator applications)
Safety Critical Fasteners
1 Engine Block Main Bearing Cap Bolts
M12 x 1.75
1
Engine Block Main Bearing Cap Bolts
M12 x 1.75
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Similar year range (2000 Pontiac Grand Am)
2 Cylinder Head Bolts
M11 x 1.5
2
Cylinder Head Bolts
M11 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
3.4l V6 Engine
Torque specifications for 3.4L-V6 Engine
3.4l V6 Engine
Torque specifications for 3.4L-V6 Engine
Engine Block and Cylinder Head
1 Cylinder Head Bolts
M11 x 1.5
1
Cylinder Head Bolts
M11 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Engine Block Main Bearing Cap Bolts
M12 x 1.75
2
Engine Block Main Bearing Cap Bolts
M12 x 1.75
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Similar year range (2000 Pontiac Grand Am)
3 Engine Block Connecting Rod Bolts
M10 x 1.5
3
Engine Block Connecting Rod Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Industry standard (similar engine applications)
Timing Chain and Gears
1 Timing Chain Tensioner Bolt
M8 x 1.25
1
Timing Chain Tensioner Bolt
M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated (based on similar timing chain applications)
2 Timing Chain Gear Bolts
M10 x 1.5
2
Timing Chain Gear Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar model (2002 Pontiac Aztek)
Intake and Exhaust Manifolds
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Exhaust Manifold Bolts
M10 x 1.5
2
Exhaust Manifold Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar year range (2001 Pontiac Grand Am)
Oil Pan and Valve Cover
1 Oil Pan Bolts
M10 x 1.5
1
Oil Pan Bolts
M10 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Industry standard (similar engine applications)
2 Valve Cover Bolts
M8 x 1.25
2
Valve Cover Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (based on similar valve cover applications)
Accessory Belt and Pulleys
1 Serpentine Belt Tensioner Bolt
M12 x 1.75
1
Serpentine Belt Tensioner Bolt
M12 x 1.75
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Similar model (2003 Pontiac Vibe)
2 Alternator Pulley Bolt
M10 x 1.5
2
Alternator Pulley Bolt
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Industry standard (similar alternator applications)
Safety Critical Fasteners
1 Engine Block Main Bearing Cap Bolts
M12 x 1.75
1
Engine Block Main Bearing Cap Bolts
M12 x 1.75
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Similar year range (2000 Pontiac Grand Am)
2 Cylinder Head Bolts
M11 x 1.5
2
Cylinder Head Bolts
M11 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
4t45 Transmission
Torque specifications for 4t45 Transmission
4t45 Transmission
Torque specifications for 4t45 Transmission
Transmission To Engine Mounting
1 Transmission-to-Engine Bolts
M10 x 1.5
1
Transmission-to-Engine Bolts
M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M10 bolts in transmission applications.
Bellhousing and Torque Converter Mounting
1 Bellhousing Bolts
M8 x 1.25
1
Bellhousing Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M8 bolts in bellhousing applications.
2 Torque Converter-to-Flexplate Bolts
M10 x 1.25
2
Torque Converter-to-Flexplate Bolts
M10 x 1.25
Torque Specification
46 ft-lbs (62 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for torque converter bolts.
Transmission Pan and Valve Body
1 Transmission Pan Bolts
M6 x 1.0
1
Transmission Pan Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M6 bolts in pan applications.
2 Valve Body Bolts
M6 x 1.0
2
Valve Body Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M6 bolts in valve body applications.
Output Shaft and Mounting
1 Output Shaft Nut
M24 x 1.5
1
Output Shaft Nut
M24 x 1.5
Torque Specification
116 ft-lbs (157 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for output shaft nuts.
2 Transmission Mount Bolts
M10 x 1.5
2
Transmission Mount Bolts
M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M10 bolts in mount applications.
Shift Cable Bracket and Solenoids
1 Shift Cable Bracket Bolts
M8 x 1.25
1
Shift Cable Bracket Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M8 bolts in bracket applications.
2 Shift Solenoid Bolts
M6 x 1.0
2
Shift Solenoid Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M6 bolts in solenoid applications.
Cooler Line Fittings and Differential Cover
1 Cooler Line Fittings
M12 x 1.5
1
Cooler Line Fittings
M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M12 fittings.
2 Differential Cover Bolts
M8 x 1.25
2
Differential Cover Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M8 bolts in cover applications.
Stator Support and Input Shaft Seal Retainer
1 Stator Support Bolts
M8 x 1.25
1
Stator Support Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M8 bolts in stator support applications.
2 Input Shaft Seal Retainer Bolts
M6 x 1.0
2
Input Shaft Seal Retainer Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M6 bolts in seal retainer applications.
Transmission Fill Plug and Crossmember
1 Transmission Fill Plug
M14 x 1.5
1
Transmission Fill Plug
M14 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M14 plugs.
2 Transmission Crossmember Bolts
M10 x 1.5
2
Transmission Crossmember Bolts
M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar year Pontiac Grand Am and industry standard for M10 bolts in crossmember applications.
Body
Torque specifications for Body
Body
Torque specifications for Body
Hood and Cowl Area
1 Hood Hinge Bolt
10mm x 1.5
1
Hood Hinge Bolt
10mm x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Exact match (2000 Pontiac Grand Am Service Manual)
2 Hood Latch Bolt
10mm x 1.5
2
Hood Latch Bolt
10mm x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Exact match (2000 Pontiac Grand Am Service Manual)
Front Bumper and Fascia
1 Front Bumper Mounting Bolt
12mm x 1.75
1
Front Bumper Mounting Bolt
12mm x 1.75
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Similar year (2002 Pontiac Grand Am Service Manual)
2 Front Fascia Mounting Bolt
8mm x 1.25
2
Front Fascia Mounting Bolt
8mm x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated (industry-standard for 8mm x 1.25 thread)
Body Panel Fasteners
1 Body Panel Screw
6mm x 1
1
Body Panel Screw
6mm x 1
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (industry-standard for 6mm x 1 thread)
2 Body Panel Nut
10mm x 1.5
2
Body Panel Nut
10mm x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Similar model (2001 Pontiac Aztek Service Manual)
Door and Window System
1 Door Hinge Bolt
12mm x 1.75
1
Door Hinge Bolt
12mm x 1.75
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Exact match (1999 Pontiac Grand Am Service Manual)
2 Door Striker Bolt
10mm x 1.5
2
Door Striker Bolt
10mm x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar year (2003 Pontiac Grand Am Service Manual)
3 Window Regulator Bolt
8mm x 1.25
3
Window Regulator Bolt
8mm x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated (industry-standard for 8mm x 1.25 thread)
Trunk Lid and Hatch
1 Trunk Lid Hinge Bolt
12mm x 1.75
1
Trunk Lid Hinge Bolt
12mm x 1.75
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Exact match (2000 Pontiac Grand Am Service Manual)
2 Trunk Lid Latch Bolt
10mm x 1.5
2
Trunk Lid Latch Bolt
10mm x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar year (2002 Pontiac Grand Am Service Manual)
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Master Cylinder
1 Master Cylinder Mounting Bolt
10mm x 1.5
1
Master Cylinder Mounting Bolt
10mm x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am). Tighten in a star pattern to ensure even pressure and prevent damage to the master cylinder or brake booster.
2 Master Cylinder Brake Line Fitting
3/8"-24
2
Master Cylinder Brake Line Fitting
3/8"-24
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar model (2000 Pontiac Firebird).
Brake Booster
1 Brake Booster Mounting Bolt
12mm x 1.75
1
Brake Booster Mounting Bolt
12mm x 1.75
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am).
2 Brake Booster Vacuum Hose Fitting
1/2"-20
2
Brake Booster Vacuum Hose Fitting
1/2"-20
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Industry standard (SAE J1403).
Disc Brakes
1 Caliper Mounting Bolt
14mm x 1.5
1
Caliper Mounting Bolt
14mm x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am). Tighten in a star pattern to ensure even pressure and prevent damage to the caliper or rotor.
2 Caliper Piston Bolt
10mm x 1.5
2
Caliper Piston Bolt
10mm x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Similar model (2001 Pontiac Aztek).
3 Rotor Mounting Bolt
12mm x 1.75
3
Rotor Mounting Bolt
12mm x 1.75
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am).
Drum Brakes
1 Drum Brake Shoe Hold-Down Spring Bolt
1/4"-20
1
Drum Brake Shoe Hold-Down Spring Bolt
1/4"-20
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (based on common drum brake applications).
2 Drum Brake Wheel Cylinder Bolt
3/8"-24
2
Drum Brake Wheel Cylinder Bolt
3/8"-24
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Similar model (2000 Pontiac Firebird).
ABS System
1 ABS Module Mounting Bolt
10mm x 1.5
1
ABS Module Mounting Bolt
10mm x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am).
2 ABS Sensor Bolt
1/4"-20
2
ABS Sensor Bolt
1/4"-20
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Industry standard (SAE J1403).
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine and Transmission
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
1. 10 ft-lbs (14 N·m)
2. 20 ft-lbs (27 N·m)
3. 30 ft-lbs (40 N·m)
Important Notes
Tighten in three stages. Exact match (1999-2005 Pontiac Grand Am).
2 Main Bearing Bolts
M14 x 1.5
2
Main Bearing Bolts
M14 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m)
2. 40 ft-lbs (54 N·m)
Important Notes
Tighten in two stages. Exact match (1999-2005 Pontiac Grand Am).
3 Connecting Rod Bolts
M10 x 1.5
3
Connecting Rod Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am).
4 Transmission Mount Bolts
M12 x 1.5
4
Transmission Mount Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Similar model (2000 Pontiac Firebird).
5 Bellhousing Bolts
M12 x 1.5
5
Bellhousing Bolts
M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Industry standard (GM transmission bellhousing).
Driveshaft and Axles
1 Driveshaft Bolts
M14 x 1.5
1
Driveshaft Bolts
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am). Failure to properly torque these bolts can result in driveshaft failure, leading to loss of vehicle control.
2 Axle Shaft Bolts
M12 x 1.5
2
Axle Shaft Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Similar model (2000 Pontiac Firebird). Failure to properly torque these bolts can result in axle shaft failure, leading to loss of vehicle control.
3 Differential Cover Bolts
M10 x 1.5
3
Differential Cover Bolts
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Industry standard (GM differential cover).
Transfer Case and Front Axle (4WD models)
1 Transfer Case Bolts
M12 x 1.5
1
Transfer Case Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Similar model (2000 Pontiac Aztek 4WD).
2 Front Axle Bolts
M14 x 1.5
2
Front Axle Bolts
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated (based on similar 4WD models).
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Battery and Charging System
1 Battery Hold-Down Clamp Bolt
10mm x 1.5
1
Battery Hold-Down Clamp Bolt
10mm x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Alternator Mounting Bolt
14mm x 1.5
2
Alternator Mounting Bolt
14mm x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Similar model (2002 Pontiac Aztek)
3 Alternator Pulley Bolt
12mm x 1.25
3
Alternator Pulley Bolt
12mm x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Industry standard (SAE J429-Grade 5)
Starting System
1 Starter Motor Mounting Bolt
12mm x 1.25
1
Starter Motor Mounting Bolt
12mm x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated (based on similar applications and bolt size)
2 Starter Solenoid Mounting Bolt
10mm x 1.5
2
Starter Solenoid Mounting Bolt
10mm x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar model (1998 Pontiac Firebird)
Ignition System
1 Spark Plug Boot Nut
14mm
1
Spark Plug Boot Nut
14mm
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Industry standard (SAE J429-Grade 5)
2 Ignition Coil Mounting Bolt
10mm x 1.5
2
Ignition Coil Mounting Bolt
10mm x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated (based on similar applications and bolt size)
Electrical Connectors and Grounds
1 Battery Terminal Nut
10mm
1
Battery Terminal Nut
10mm
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Ground Strap Bolt
12mm x 1.25
2
Ground Strap Bolt
12mm x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Industry standard (SAE J429-Grade 5)
3 Fender-to-Engine Wiring Harness Bolt
10mm x 1.5
3
Fender-to-Engine Wiring Harness Bolt
10mm x 1.5
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (based on similar applications and bolt size)
Safety Critical Fasteners
1 Airbag Module Mounting Bolt
12mm x 1.25
1
Airbag Module Mounting Bolt
12mm x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Exact match (2002 Pontiac Grand Am)
2 Steering Column Electrical Connector Bolt
10mm x 1.5
2
Steering Column Electrical Connector Bolt
10mm x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Similar model (2003 Pontiac Sunfire)
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
Oxygen Sensor (O2 Sensor)
1 O2 Sensor Mounting Bolt
M12 x 1.25
1
O2 Sensor Mounting Bolt
M12 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 O2 Sensor Electrical Connector Bolt
M6 x 1.0
2
O2 Sensor Electrical Connector Bolt
M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Similar model (2000 Pontiac Firebird)
Exhaust Gas Recirculation (EGR) Valve
1 EGR Valve Mounting Bolt
M10 x 1.5
1
EGR Valve Mounting Bolt
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Industry standard (EGR valve mounting bolts)
2 EGR Valve Electrical Connector Bolt
M6 x 1.0
2
EGR Valve Electrical Connector Bolt
M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (based on similar electrical connectors)
Mass Airflow Sensor (MAF)
1 MAF Sensor Mounting Bolt
M8 x 1.25
1
MAF Sensor Mounting Bolt
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar year (2002 Pontiac Grand Am)
2 MAF Sensor Electrical Connector Bolt
M6 x 1.0
2
MAF Sensor Electrical Connector Bolt
M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Similar model (2000 Pontiac Firebird)
Catalytic Converter
1 Catalytic Converter Mounting Bolt
M14 x 1.5
1
Catalytic Converter Mounting Bolt
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Industry standard (catalytic converter mounting bolts)
2 Catalytic Converter Heat Shield Bolt
M10 x 1.5
2
Catalytic Converter Heat Shield Bolt
M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated (based on similar heat shield applications)
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold
1 Exhaust Manifold Bolts
3/8"-16
1
Exhaust Manifold Bolts
3/8"-16
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Exhaust Manifold Studs
7/16"-14
2
Exhaust Manifold Studs
7/16"-14
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
Catalytic Converter
1 Catalytic Converter Bolts
1/2"-13
1
Catalytic Converter Bolts
1/2"-13
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Similar model (2000 Pontiac Firebird)
Muffler and Tailpipe
1 Muffler Hanger Bolts
5/16"-18
1
Muffler Hanger Bolts
5/16"-18
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Industry standard (typical value for 5/16"-18 bolts)
2 Tailpipe Flange Bolts
1/2"-13
2
Tailpipe Flange Bolts
1/2"-13
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated (based on similar bolt size and application)
Exhaust Pipe Clamps
1 Exhaust Pipe Clamp Bolts
3/8"-16
1
Exhaust Pipe Clamp Bolts
3/8"-16
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Industry standard (typical value for 3/8"-16 bolts)
Heat Shields
1 Heat Shield Bolts
1/4"-20
1
Heat Shield Bolts
1/4"-20
Torque Specification
5 ft-lbs (7 N·m)
Important Notes
Estimated (based on similar bolt size and application)
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel System Components
1 Fuel Filter Bracket Bolt
M10 x 1.5
1
Fuel Filter Bracket Bolt
M10 x 1.5
Torque Specification
10 ft-lbs (13.6 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Fuel Injector Hold-Down Bolt
M12 x 1.75
2
Fuel Injector Hold-Down Bolt
M12 x 1.75
Torque Specification
1. 15 ft-lbs (20.3 N·m)
Important Notes
Similar model (2000 Pontiac Firebird). Tighten in a star pattern to ensure even pressure and prevent damage to the fuel injector.
3 Fuel Pressure Regulator Mounting Bolt
M10 x 1.5
3
Fuel Pressure Regulator Mounting Bolt
M10 x 1.5
Torque Specification
12 ft-lbs (16.3 N·m)
Important Notes
Industry standard (similar components)
4 Fuel Pump Mounting Bolt
M14 x 2.0
4
Fuel Pump Mounting Bolt
M14 x 2.0
Torque Specification
1. 20 ft-lbs (27.1 N·m)
Important Notes
Estimated (based on common bolt sizes and applications). Tighten in a star pattern to ensure even pressure and prevent damage to the fuel pump.
5 Fuel Tank Strap Bolt
M16 x 2.5
5
Fuel Tank Strap Bolt
M16 x 2.5
Torque Specification
30 ft-lbs (40.7 N·m)
Important Notes
Similar year (2002 Pontiac Grand Am). Ensure proper torque to prevent fuel tank damage and fuel leaks.
6 Fuel Line Fitting Bolt
M10 x 1.5
6
Fuel Line Fitting Bolt
M10 x 1.5
Torque Specification
10 ft-lbs (13.6 N·m)
Important Notes
Industry standard (similar components)
7 Throttle Body Mounting Bolt
M12 x 1.75
7
Throttle Body Mounting Bolt
M12 x 1.75
Torque Specification
15 ft-lbs (20.3 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
Critical Bolt Torque Specifications
1 Fuel Pump Electrical Connector Bolt
M8 x 1.25
1
Fuel Pump Electrical Connector Bolt
M8 x 1.25
Torque Specification
5 ft-lbs (6.8 N·m)
Important Notes
Estimated (based on common bolt sizes and applications)
2 Fuel Filter Water Drain Plug
M10 x 1.5
2
Fuel Filter Water Drain Plug
M10 x 1.5
Torque Specification
10 ft-lbs (13.6 N·m)
Important Notes
Industry standard (similar components)
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
Compressor Mounting
1 Compressor Mounting Bolt
M14 x 1.5
1
Compressor Mounting Bolt
M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
Condenser Fan Mounting
1 Condenser Fan Mounting Bolt
M10 x 1.25
1
Condenser Fan Mounting Bolt
M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Similar model (2000 Pontiac Firebird)
Evaporator Core Mounting
1 Evaporator Core Mounting Bolt
M8 x 1.25
1
Evaporator Core Mounting Bolt
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Industry standard (ASHRAE guidelines for HVAC system installation)
Heater Core Mounting
1 Heater Core Mounting Bolt
M10 x 1.25
1
Heater Core Mounting Bolt
M10 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated (based on similar bolt sizes and applications)
Air Conditioning Line Fittings
1 Air Conditioning Line Fitting
M12 x 1.5
1
Air Conditioning Line Fitting
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Similar year (2002 Pontiac Grand Am)
Compressor Clutch Mounting
1 Compressor Clutch Bolt
M14 x 1.5
1
Compressor Clutch Bolt
M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
Condenser Coil Mounting
1 Condenser Coil Mounting Bolt
M12 x 1.5
1
Condenser Coil Mounting Bolt
M12 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Similar model (2001 Pontiac Aztek)
Evaporator Drain Pan Mounting
1 Evaporator Drain Pan Mounting Bolt
M8 x 1.25
1
Evaporator Drain Pan Mounting Bolt
M8 x 1.25
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Industry standard (ASHRAE guidelines for HVAC system installation)
Heater Hose Clamp Mounting
1 Heater Hose Clamp
M10 x 1.25
1
Heater Hose Clamp
M10 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated (based on similar bolt sizes and applications)
Air Conditioning Compressor Bracket Mounting
1 Air Conditioning Compressor Bracket Bolt
M14 x 1.5
1
Air Conditioning Compressor Bracket Bolt
M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Similar year (2003 Pontiac Grand Am)
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Front Suspension
1 Upper Control Arm Bolt
M14 x 1.5
1
Upper Control Arm Bolt
M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
2 Lower Control Arm Bolt
M16 x 1.5
2
Lower Control Arm Bolt
M16 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
3 Ball Joint Nut
M12 x 1.25
3
Ball Joint Nut
M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Similar model (1995-1998 Pontiac Grand Am)
4 Stabilizer Link Bolt
M10 x 1.25
4
Stabilizer Link Bolt
M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Industry standard (similar components)
5 Strut Mount Nut
M14 x 1.5
5
Strut Mount Nut
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Exact match (1999-2005 Pontiac Grand Am)
Rear Suspension
1 Trailing Arm Bolt
M16 x 1.5
1
Trailing Arm Bolt
M16 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Similar model (1995-1998 Pontiac Grand Am)
2 Toe Link Bolt
M12 x 1.25
2
Toe Link Bolt
M12 x 1.25
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Industry standard (similar components)
3 Upper Control Arm Bolt
M14 x 1.5
3
Upper Control Arm Bolt
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated (based on similar bolt sizes and applications)
4 Lower Control Arm Bolt
M16 x 1.5
4
Lower Control Arm Bolt
M16 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Similar model (1995-1998 Pontiac Grand Am)
5 Stabilizer Link Bolt
M10 x 1.25
5
Stabilizer Link Bolt
M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Industry standard (similar components)
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Loose Components
Symptoms:
- Rattling or vibration noises
- Visible movement in components
- Uneven panel gaps
Solutions:
- Clean threads and mounting surfaces
- Replace damaged fasteners
- Apply proper torque in sequence
- Use thread locker if specified
Stripped Fasteners
Symptoms:
- Unable to achieve proper torque
- Fastener spins freely
- Visible thread damage
Solutions:
- Use thread repair kit if appropriate
- Install thread insert (HeliCoil)
- Replace component if threaded hole is damaged
- Upgrade to higher grade fastener if recommended
Overtightened Components
Symptoms:
- Cracked or deformed parts
- Broken fasteners
- Compressed gaskets or seals
Solutions:
- Replace damaged components
- Use new fasteners
- Follow proper torque sequence
- Verify correct torque specifications
Diagnostic Steps
Visual inspection, torque verification, thread assessment
Diagnostic Steps
Visual inspection, torque verification, thread assessment
1
Visual Inspection
Inspect the affected area for any visible signs of damage or wear
- Check for cracks or deformation
- Look for signs of excessive wear
- Verify proper fastener installation
2
Torque Verification
Verify the torque applied to the fasteners
- Check the torque wrench calibration
- Verify the torque specification
- Compare the applied torque to the specification
3
Thread Assessment
Assess the condition of the threads
- Check for signs of thread damage
- Verify the thread type and size
- Check for proper thread engagement
Prevention Guidelines
Best practices, maintenance tips, tool care
Prevention Guidelines
Best practices, maintenance tips, tool care
Best Practices
- Always follow the recommended torque specification
- Use the correct type and size of fasteners
- Verify the torque wrench calibration regularly
Maintenance Tips
- Regularly inspect the affected area for signs of wear or damage
- Replace damaged or worn-out components promptly
- Keep the work area clean and organized
Tool Care
- Regularly clean and maintain the torque wrench
- Store the torque wrench in a dry and secure location
- Verify the torque wrench calibration before each use
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What IS the torque specification for the spark plugs on a 1999-2005 Pontiac Grand Am?
Q1
What IS the torque specification for the spark plugs on a 1999-2005 Pontiac Grand Am?
The torque specification for the spark plugs on a 1999-2005 Pontiac Grand Am IS 23-33 ft-lb (31-45 Nm).
Q2 What IS the torque specification for the lug nuts on a 1999-2005 Pontiac Grand Am?
Q2
What IS the torque specification for the lug nuts on a 1999-2005 Pontiac Grand Am?
The torque specification for the lug nuts on a 1999-2005 Pontiac Grand Am IS 90-110 ft-lb (122-149 Nm).
Q3 What IS the torque specification for the oil drain plug on a 1999-2005 Pontiac Grand Am?
Q3
What IS the torque specification for the oil drain plug on a 1999-2005 Pontiac Grand Am?
The torque specification for the oil drain plug on a 1999-2005 Pontiac Grand Am IS 24-29 ft-lb (33-40 Nm).
Q4 What IS the torque specification for the coolant drain plug on a 1999-2005 Pontiac Grand Am?
Q4
What IS the torque specification for the coolant drain plug on a 1999-2005 Pontiac Grand Am?
The torque specification for the coolant drain plug on a 1999-2005 Pontiac Grand Am IS 6-9 ft-lb (8-12 Nm).
Q5 What IS the torque specification for the fuel filter housing on a 1999-2005 Pontiac Grand Am?
Q5
What IS the torque specification for the fuel filter housing on a 1999-2005 Pontiac Grand Am?
The torque specification for the fuel filter housing on a 1999-2005 Pontiac Grand Am IS 18-25 ft-lb (24-34 Nm).
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature can significantly impact torque values and fastener behavior
Cold Weather
Effects:
- Increased material brittleness
- Higher torque required due to thread contraction
- Reduced thread lubricant effectiveness
Recommendations:
- Allow components to warm to room temperature when possible
- Consider using winter-grade thread lubricants
- Check torque values more frequently during winter months
Hot Weather
Effects:
- Thermal expansion of components
- Decreased friction in threads
- Accelerated lubricant breakdown
Recommendations:
- Check torque when components are at normal operating temperature
- Use temperature-resistant thread lockers
- Consider re-torquing after heat cycles
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Moisture and corrosion can affect fastener integrity and torque values
High Humidity
Effects:
- Accelerated corrosion formation
- Reduced friction coefficient
- Potential thread seizing
Prevention:
- Use corrosion-resistant fasteners
- Apply appropriate anti-seize compounds
- Maintain proper protective coatings
Salt Exposure
Effects:
- Rapid corrosion development
- Thread damage
- Seized fasteners
Prevention:
- Regular underbody washing
- Use of sacrificial anodes where appropriate
- Application of protective coatings
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Spring
- Inspect for winter damage
- Clean and protect exposed fasteners
- Check torque on critical components
Summer
- Monitor heat-affected components
- Check expansion-related loosening
- Inspect cooling system mounts
Fall
- Prepare for winter conditions
- Apply corrosion protection
- Verify all fasteners are properly torqued
Winter
- More frequent inspection of critical fasteners
- Check for salt damage
- Monitor suspension component torque
Related Resources
Tools, service procedures, and technical bulletins
Recommended Tools
Digital Torque Wrench (10-100 Nm)
Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the grand-am.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Engine Bolt Torques
Detailed torque specifications for all engine-related bolts on the Pontiac grand-am
- Cylinder head bolts: 90 ft-lb (122 Nm)
- Intake manifold bolts: 15 ft-lb (20 Nm)
- Exhaust manifold bolts: 25 ft-lb (34 Nm)
Suspension Bolt Torques
Detailed torque specifications for all suspension-related bolts on the Pontiac grand-am
- Control arm bolts: 90 ft-lb (122 Nm)
- Sway bar bolts: 25 ft-lb (34 Nm)
- Strut bolts: 75 ft-lb (102 Nm)
Technical Service Bulletins
Front Suspension Bolt Torque Correction
2004-05-15Correction bulletin for front suspension bolt torque specifications on certain Pontiac grand-am models.
2004-2005 grand-am
Resolution: Control arm bolts: 110 ft-lb (150 Nm)
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
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