2008 GMC Envoy Problems: 4 Known Issues

2008 GMC Envoy Problems: 4 Known Issues | Au7o

NHTSA Recalls10 recalls

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

General Motors LLC (GM) is recalling certain model year 2006-2007 Buick Rainier, Chevrolet Trailblazer and GMC Envoy vehicles, and 2006 GMC Envoy XL and Chevrolet Trailblazer EXT vehicles. Fluid may enter into the driver's door master power window switch module, causing corrosion that could result in a short in the circuit board, causing window switches to become inoperative. Previously, the affected vehicles may have had their master power window switch module treated with a protective coating, instead of having it replaced.

Campaign #15V59900024/09/2015

EXTERIOR LIGHTING:HEADLIGHTS

General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing the headlamps and daytime running lights to not illuminate.

Campaign #15V51900014/08/2015

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door master power window switch module, causing corrosion that could result in a short in the circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. The short may also cause overheating, which could melt components of the door module, producing odor, smoke, or a fire.

Campaign #14V40400002/07/2014

ELECTRICAL SYSTEM

General Motors (GM) is recalling certain model year 2006 Chevrolet Trailblazer EXT and GMC Envoy XL and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, SAAB 9-7x, and Isuzu Ascender vehicles, originally sold or currently registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin, and the District of Columbia. Fluid may enter the driver's door module, causing corrosion that could result in a short in the circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. The short may also cause overheating, which could melt components of the door module, producing odor, smoke, or a fire.

Campaign #12V40600016/08/2012

ELECTRICAL SYSTEM

General Motors (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door module, causing corrosion that could result in a short in the circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. The short may also cause overheating, which could melt components of the door module, producing odor, smoke, or a fire.

Campaign #13V24800013/06/2013

+ 5 more recalls. Check all on NHTSA.gov

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Frequently Asked Questions

What are the most common GMC Envoy problems?

According to Au7o's analysis of 1,690+ owner reports, the 2008 GMC Envoy has 4 documented issues. The most frequently reported are: 4.2L I6 Crankshaft Position Sensor Failure and Stalling, Electric Cooling Fan Clutch Failure, Instrument Cluster Gauge Stepper Motor Failure. Of these, 2 are rated critical and should be addressed promptly.

Is the GMC Envoy reliable?

The 2008 GMC Envoy has 4 known issues documented across 1,690+ owner reports. 2 issues are rated critical: 4.2L I6 Crankshaft Position Sensor Failure and Stalling and Electric Cooling Fan Clutch Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common GMC Envoy problems?

Repair costs for known GMC Envoy issues range from $30 to $1,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 4.2L I6 Crankshaft Position Sensor Failure and Stalling, typically costs $80-$300 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2002-2009 GMC Envoy 4.2L I6 Crankshaft Position Sensor Failure and Stalling?

The 4.2L LL8 inline-6 engine in the 2002-2009 GMC Envoy is notorious for crankshaft position sensor failures that cause intermittent stalling and no-start conditions. The sensor is located on the side of the engine block and is exposed to heat soak from the exhaust manifold, acce… Repairs typically run $80-$300. Severity: high.

What is the 2002-2009 GMC Envoy Electric Cooling Fan Clutch Failure?

The electronically controlled fan clutch fails, causing overheating in traffic or at low speeds. The Envoy uses a clutch-type fan rather than electric fans, and the electronic control module in the clutch is the weak point. Repairs typically run $200-$500. Severity: high.

What is the 2003-2009 GMC Envoy Instrument Cluster Gauge Stepper Motor Failure?

The 2003-2007 GMC Envoy shares the GMT360 platform instrument cluster with the Chevrolet Trailblazer, Buick Rainier, and Oldsmobile Bravada. All gauges (speedometer, tachometer, fuel, temperature, oil pressure, battery voltage) use tiny X27.168 stepper motors that fail from therm… Repairs typically run $30-$350. Severity: medium.

What is the 2002-2009 GMC Envoy Transfer Case Encoder Motor and Front Axle Actuator Failure?

The 2002-2009 Envoy uses the BorgWarner 4482 (Auto-Trak) transfer case with an electric encoder motor for 4WD engagement. The encoder motor and its associated hall-effect position sensor fail regularly between 80,000-120,000 miles, causing 4WD to not engage, 4WD warning lights, a… Repairs typically run $200-$1,500. Severity: medium.

2008 GMC Envoy Problems: 4 Known Issues

All 4 Known Issues

2002-2009 GMC Envoy: 4.2L I6 Crankshaft Position Sensor Failure and Stalling#

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2002-2009 GMC Envoy: Electric Cooling Fan Clutch Failure#

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2003-2009 GMC Envoy: Instrument Cluster Gauge Stepper Motor Failure#

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2002-2009 GMC Envoy: Transfer Case Encoder Motor and Front Axle Actuator Failure#

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Other GMC Models

Frequently Asked Questions

What are the most common GMC Envoy problems?

Is the GMC Envoy reliable?

How much does it cost to fix common GMC Envoy problems?

What is the 2002-2009 GMC Envoy 4.2L I6 Crankshaft Position Sensor Failure and Stalling?

What is the 2002-2009 GMC Envoy Electric Cooling Fan Clutch Failure?

What is the 2003-2009 GMC Envoy Instrument Cluster Gauge Stepper Motor Failure?

What is the 2002-2009 GMC Envoy Transfer Case Encoder Motor and Front Axle Actuator Failure?