Pontiac Pontiac Montana 2005-2006 3.5L V6 Engine Specifications
Discover the detailed 3.5L V6 engine specifications for the 2005-2006 Pontiac Montana. This guide covers horsepower, torque, fuel system, and maintenance data for optimal performance and repair.
Overview Specifications
This document provides detailed specifications and technical information about the 3.5L V6 engine used in the 2005-2006 Pontiac Montana. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. The document is organized into sections for easy navigation, with a quick reference guide for key specifications. Use the search and navigation instructions to efficiently find the information you need.
How to Use
Use the search function to quickly locate specific terms or phrases within the document. Enter keywords related to the engine's components, performance, or maintenance. The search results will highlight relevant sections for easy access.
Navigate through the document using the section titles and subsections. Each major section provides a detailed description of its content. Click on a subsection to view specific technical points and details about the 3.5L V6 engine.
Key Specifications
Displacement
3.5 liters
Horsepower
200 hp @ 5200 rpm
Torque
220 lb-ft @ 4000 rpm
Fuel Efficiency
20 MPG combined
Towing Capacity
3500 lbs
Available Specifications
Engine Specifications
This section covers the technical specifications of the 3.5L V6 engine, including displacement, horsepower, torque, and other key metrics. It provides a comprehensive overview of the engine's design and performance capabilities.
Engine Specifications
This section covers the technical specifications of the 3.5L V6 engine, including displacement, horsepower, torque, and other key metrics. It provides a comprehensive overview of the engine's design and performance capabilities.
General Specifications
- Displacement: 3.5 liters
- Configuration: V6
- Horsepower: 200 hp @ 5200 rpm
- Torque: 220 lb-ft @ 4000 rpm
- Compression Ratio: 9.8:1
- Fuel System: Sequential Multi-Port Fuel Injection
Dimensions and Weight
- Bore: 89.5 mm
- Stroke: 93 mm
- Engine Weight: 375 lbs
- Oil Capacity: 5.5 quarts
- Coolant Capacity: 10.5 quarts
Performance Features
This section highlights the performance features of the 3.5L V6 engine, including its fuel efficiency, acceleration, and towing capacity. It also discusses the engine's advanced technologies that contribute to its performance.
Performance Features
This section highlights the performance features of the 3.5L V6 engine, including its fuel efficiency, acceleration, and towing capacity. It also discusses the engine's advanced technologies that contribute to its performance.
Fuel Efficiency
- City MPG: 17
- Highway MPG: 24
- Combined MPG: 20
- Fuel Type: Regular Unleaded
- Emissions: LEV (Low Emission Vehicle)
Acceleration and Towing
- 0-60 mph Time: 8.5 seconds
- Top Speed: 112 mph
- Towing Capacity: 3500 lbs
- Payload Capacity: 1500 lbs
Maintenance and Service
This section provides information on the maintenance and service requirements for the 3.5L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for prolonging engine life.
Maintenance and Service
This section provides information on the maintenance and service requirements for the 3.5L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for prolonging engine life.
Service Intervals
- Oil Change: Every 3,000 miles
- Air Filter Replacement: Every 15,000 miles
- Spark Plug Replacement: Every 30,000 miles
- Timing Belt Replacement: Every 60,000 miles
Common Maintenance Tasks
- Check and replace engine oil regularly
- Inspect and replace air filters as needed
- Monitor coolant levels and replace as necessary
- Inspect and replace spark plugs and ignition wires
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Engine Specifications
Overview
- Type
- Gasoline
- Configuration
- 60-degree V6
- Platform
- GM High Value engine family
- Material
- Aluminum block and heads
- Location
- Front, transverse
Dimensions
- Length
- 26.5 inches (673 mm)
- Width
- 29.1 inches (739 mm)
- Height
- 27.6 inches (701 mm)
- Weight
- 375 lbs (170 kg)
- Displacement
- 213.5 cubic inches (3498 cc)
- Bore
- 3.74 inches (95 mm)
- Stroke
- 3.31 inches (84 mm)
- Compression Ratio
- 9.8:1
Materials
- Block
- Aluminum
- Cylinder Heads
- Aluminum
- Pistons
- Cast aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Sequential fuel injection
- Electronic throttle control
- Returnless fuel system
- Ignition
-
- Coil-on-plug ignition
- Direct spark ignition
- Waste spark system
- Cooling
-
- Electric cooling fan
- Cross-flow radiator
- Coolant recovery system
- Lubrication
-
- Full-pressure lubrication
- Oil cooler
- Oil level sensor
- Emissions
-
- EGR system
- Catalytic converter
- Onboard diagnostics II
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Overheat protection
- Fail-safe cooling
- Ignition Safety
-
- Anti-knock sensor
- Ignition timing control
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balance shaft
- Counter-rotating balance shaft
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Accessory drive belt
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Inspect belts and hoses
- Check coolant levels
- Inspect spark plugs
- Check air filter
- Inspect fuel system
- Maintenance Notes
- Use synthetic 5W-30 oil for optimal performance
Warranty
- Bumper To Bumper
- Miles: 36,000Years: 3Coverage: Comprehensive coverage for defects
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine, transmission, and drivetrain
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation from corrosion only
- Emissions
- Miles: 50,000Years: 4Coverage: Federal emissions components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% inspection of critical componentsTesting: Dyno testing of every engineCertification: ISO 9001 certified
- Sustainability Practices
-
- Recycling of aluminum
- Reduced emissions in manufacturing
- Energy-efficient production
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Production Sites: 2
Service Information for 3.5l v6 engine Service
Maintenance and service requirements specific to this component
- Change oil and filter
- Inspect belts and hoses
- Check coolant levels
- Inspect spark plugs
- Check air filter
Use synthetic 5W-30 oil for optimal performance
- Replace air filter
- Inspect fuel system
- Check ignition system
- Inspect exhaust system
- Check engine mounts
Inspect for any leaks or unusual noises
- Replace timing chain
- Replace spark plugs
- Inspect and replace belts if necessary
- Flush and replace coolant
- Inspect and replace engine mounts if necessary
Consider replacing water pump and thermostat as preventive maintenance
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.5L V6 engine compatible with other Pontiac models?
Is the 3.5L V6 engine compatible with other Pontiac models?
The 3.5L V6 engine used in the 2005-2006 Pontiac Montana is specifically designed for this model. While it shares similarities with engines in other GM vehicles, compatibility is not guaranteed. Always verify with a trusted mechanic or refer to the vehicle’s service manual before attempting to use this engine in other models. Modifications may be required for a proper fit.
Q2 What are the maintenance requirements for the 3.5L V6 engine?
What are the maintenance requirements for the 3.5L V6 engine?
The 3.5L V6 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 3,000-5,000 miles, air filter replacement every 15,000 miles, and spark plug inspection every 30,000 miles. Additionally, coolant should be flushed every 50,000 miles, and the timing belt should be replaced every 100,000 miles. Regular checks of belts, hoses, and fluid levels are also recommended.
Q3 How do I install or replace the 3.5L V6 engine in a Pontiac Montana?
How do I install or replace the 3.5L V6 engine in a Pontiac Montana?
Replacing the 3.5L V6 engine involves several steps. First, disconnect the battery and drain all fluids. Remove the engine mounts, exhaust system, and transmission connections. Use an engine hoist to lift the old engine out. Install the new engine by reversing the removal process, ensuring all connections are secure. Torque bolts to manufacturer specifications and refill fluids. Always consult the service manual for detailed instructions.
Q4 What are common troubleshooting steps for the 3.5L V6 engine?
What are common troubleshooting steps for the 3.5L V6 engine?
Common issues with the 3.5L V6 engine include rough idling, reduced power, and overheating. Start by checking for error codes using an OBD-II scanner. Inspect spark plugs, fuel injectors, and the air intake system for blockages or wear. Verify coolant levels and check for leaks. If the engine overheats, inspect the radiator, thermostat, and water pump. For persistent issues, consult a professional mechanic.
Q5 How can I optimize the performance of the 3.5L V6 engine?
How can I optimize the performance of the 3.5L V6 engine?
To optimize the 3.5L V6 engine, use high-quality synthetic oil and replace filters regularly. Upgrade to performance spark plugs and ensure the air intake system is clean and unobstructed. Regular tuning and alignment of the engine can also improve efficiency. Avoid aggressive driving and maintain proper tire pressure to reduce engine strain. Consider professional tuning for advanced performance enhancements.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2006 Pontiac Montana Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the Pontiac Montana, including the 3.5L V6 engine.
Technical Service Bulletin for 3.5L V6 Engine
Coming SoonLatest updates and fixes for common issues related to the 3.5L V6 engine in the 2005-2006 Pontiac Montana.
Pontiac Montana Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 2005-2006 Pontiac Montana, 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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