Pontiac Pontiac G8 2008-2009 3.6L V6 Engine Specifications
Explore the detailed specifications of the 3.6L V6 engine in the 2008-2009 Pontiac G8. Learn about engine performance, maintenance tips, and compatibility with aftermarket parts. Essential reading for Pontiac G8 owners and automotive enthusiasts.
Overview Specifications
This document provides detailed specifications and technical information about the 3.6L V6 engine used in the 2008-2009 Pontiac G8. It is designed for enthusiasts, mechanics, and researchers seeking comprehensive data on the engine's performance, design, and maintenance. Use this guide to understand the engine's features, navigate through sections, and locate specific details quickly. The document is structured to facilitate easy access to critical information, ensuring a seamless user experience.
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Key Specifications
Horsepower
256 HP
Torque
248 lb-ft
Displacement
3.6L
Fuel Efficiency
20 MPG
Compression Ratio
10.2:1
Available Specifications
Engine Performance
This section covers the performance metrics of the 3.6L V6 engine, including horsepower, torque, and fuel efficiency. It also provides insights into the engine's capabilities under various driving conditions and its overall reliability.
Engine Performance
This section covers the performance metrics of the 3.6L V6 engine, including horsepower, torque, and fuel efficiency. It also provides insights into the engine's capabilities under various driving conditions and its overall reliability.
Power and Torque
- Horsepower: 256 HP at 6300 RPM
- Torque: 248 lb-ft at 3200 RPM
- Redline: 7000 RPM
- Compression Ratio: 10.2:1
- Fuel Type: Regular Unleaded
- Valvetrain: DOHC with Variable Valve Timing
Fuel Efficiency
- City MPG: 17
- Highway MPG: 25
- Combined MPG: 20
- Fuel Tank Capacity: 19.1 gallons
- Emission Standard: LEV II
- Idle Stop Feature: Not Available
Engine Design
This section delves into the engineering and design aspects of the 3.6L V6 engine. It includes details about the engine's construction, materials, and technological features that contribute to its performance and durability.
Engine Design
This section delves into the engineering and design aspects of the 3.6L V6 engine. It includes details about the engine's construction, materials, and technological features that contribute to its performance and durability.
Construction and Materials
- Engine Block: Aluminum
- Cylinder Head: Aluminum
- Bore x Stroke: 94.0 mm x 85.6 mm
- Displacement: 3564 cc
- Oil Capacity: 6.0 quarts
- Cooling System: Liquid-Cooled
Technological Features
- Direct Fuel Injection
- Variable Valve Timing (VVT)
- Dual Overhead Camshafts (DOHC)
- Electronic Throttle Control
- Integrated Exhaust Manifold
- High-Flow Intake Manifold
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.6L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity and optimal performance.
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.6L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity and optimal performance.
Service Intervals
- Oil Change: Every 7,500 miles
- Spark Plugs: Every 100,000 miles
- Air Filter: Every 30,000 miles
- Fuel Filter: Every 50,000 miles
- Coolant Flush: Every 150,000 miles
- Timing Belt: Not Applicable (Chain-Driven)
Common Maintenance Tasks
- Check and Replace Engine Oil Regularly
- Inspect and Clean Air Intake System
- Monitor Coolant Levels and Quality
- Inspect Belts and Hoses for Wear
- Replace Worn Spark Plugs
- Perform Regular Engine Diagnostics
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Engine Specifications
Overview
- Type
- Gasoline
- Configuration
- V6
- Displacement
- 3.6 liters
- Aspiration
- Naturally aspirated
- Fuel System
- Sequential multi-port fuel injection
- Location
- Front, longitudinal
Dimensions
- Length
- 24.8 inches (630 mm)
- Width
- 28.3 inches (720 mm)
- Height
- 27.6 inches (700 mm)
- Weight
- 375 lbs (170 kg)
- Bore
- 3.7 inches (94 mm)
- Stroke
- 3.37 inches (85.6 mm)
- Compression Ratio
- 10.2:1
- Oil Capacity
- 6.0 quarts (5.7 liters)
Materials
- Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Performance
-
- Variable valve timing
- Dual overhead camshafts
- Electronic throttle control
- High-flow intake manifold
- Efficiency
-
- Low-friction piston rings
- Optimized combustion chamber
- Lightweight components
- Durability
-
- Forged internals
- High-strength block
- Thermal management system
- Cooling
-
- High-capacity radiator
- Electric cooling fan
- Coolant bypass system
- Ignition
-
- Coil-on-plug ignition
- Knock sensor system
- Electronic spark control
Safety Features
- Engine Protection
-
- Low oil pressure warning
- Overheat warning
- Engine misfire detection
- Emissions
-
- Catalytic converter
- EGR system
- OBD-II compliance
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Balanced rotating assembly
- Vibration Control
-
- Hydraulic engine mounts
- Harmonic balancer
Accessories
- intake
-
- High-flow air filter
- Resonator delete kit
- Exhaust
-
- Stainless steel headers
- Performance muffler
- Tuning
-
- Performance chip
- ECU reprogramming
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug inspection
- Air filter replacement
- Coolant flush
- Belts and hoses check
- Maintenance Notes
- Use synthetic oil for optimal performance and longevity.
Warranty
- Bumper To Bumper
- Miles: 36,000Years: 3Coverage: Comprehensive coverage for defects
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine, transmission, and drivetrain components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation from corrosion
- Emissions
- Miles: 50,000Years: 4Coverage: Emissions control components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Precision machining to 0.001 inches
- Sustainability Practices
-
- Recycled aluminum use
- Low VOC paints
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: < 0.1%
Service Information for 3.6l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect spark plugs
- Check air filter
- Inspect belts and hoses
- Check coolant level
Use synthetic oil for optimal performance.
- Replace air filter
- Rotate tires
- Inspect exhaust system
- Check fuel system
- Inspect suspension components
Ensure all inspections are thorough to prevent long-term issues.
- Replace spark plugs
- Flush coolant system
- Inspect timing chain
- Replace cabin air filter
- Check transmission fluid
Critical interval for ensuring engine longevity and performance.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.6L V6 engine compatible with other Pontiac models?
Is the 3.6L V6 engine compatible with other Pontiac models?
The 3.6L V6 engine used in the 2008-2009 Pontiac G8 is primarily designed for this specific model. While it shares similarities with other GM engines, compatibility with other Pontiac models may vary due to differences in mounting points, electronics, and transmission configurations. Always consult a service manual or professional mechanic to verify compatibility before attempting any engine swaps or modifications.
Q2 What are the maintenance requirements for the 3.6L V6 engine?
What are the maintenance requirements for the 3.6L V6 engine?
The 3.6L V6 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000-7,500 miles, air filter replacement every 15,000 miles, and spark plug replacement every 100,000 miles. Additionally, inspect the timing chain and coolant system periodically. Adhering to the manufacturer’s maintenance schedule is crucial to prevent premature wear and ensure longevity.
Q3 How do I replace the 3.6L V6 engine in a Pontiac G8?
How do I replace the 3.6L V6 engine in a Pontiac G8?
Replacing the 3.6L V6 engine involves several steps: disconnect the battery, drain fluids, remove the intake manifold, exhaust system, and transmission. Use an engine hoist to lift the engine out of the vehicle. Install the new engine by reversing the removal process, ensuring all connections are secure. Torque bolts to the manufacturer’s specifications and refill fluids. Professional assistance is recommended for this complex task.
Q4 What should I do if the 3.6L V6 engine is misfiring?
What should I do if the 3.6L V6 engine is misfiring?
Misfiring in the 3.6L V6 engine can result from faulty spark plugs, ignition coils, or fuel injectors. Begin by scanning for error codes using an OBD-II scanner. Inspect and replace spark plugs or ignition coils if necessary. Check fuel injectors for clogs or malfunctions. If the issue persists, inspect the engine’s compression and timing chain for potential problems.
Q5 How can I optimize the performance of the 3.6L V6 engine?
How can I optimize the performance of the 3.6L V6 engine?
To optimize the 3.6L V6 engine, consider upgrading the air intake and exhaust systems for improved airflow. Use high-quality synthetic oil and ensure regular maintenance. A performance tune can enhance fuel efficiency and power output. Additionally, lightweight aftermarket components can reduce engine strain. Always balance modifications with the engine’s design limits to avoid damage.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2008-2009 Pontiac G8 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the Pontiac G8, including the 3.6L V6 engine.
Technical Service Bulletin: 3.6L V6 Engine Updates
Coming SoonBulletin detailing updates, recalls, and fixes for the 3.6L V6 engine used in the 2008-2009 Pontiac G8.
Pontiac G8 Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts for the 2008-2009 Pontiac G8, including engine components.
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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.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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