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2005 GMC Envoy Engine Problems and Repair Histories

50 TrueDelta members own a 2005 GMC Envoy. 8 of these members (16%) have reported engine repairs for their car. A total of 14 engine repairs to 2005 GMC Envoys--an average of 0.3 per vehicle--have been reported.

See our lemon odds and nada odds page for more details. To see how frequently 2005 GMC Envoy problems occur, check out our car reliability stats.

Want to read about specific problems behind these stats? Jump to the 2005 GMC Envoy problem descriptions below.

Don't infer 2005 GMC Envoy problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of 2005 GMC Envoy repairs by problem area

23% of the 2005 GMC Envoy repairs were to the engine, 5% to the brakes, 25% to the suspension, 43% to the electrical or air-conditioning systems, and 5% to other areas of the vehicle.

Chart based on 61 repairs.

2005 GMC Envoy engine repair cost distribution

Of the 2005 GMC Envoy engine repairs that were not covered by warranty and were not do-it-yourself repairs, 29% cost less than $100, 57% between $100 and $499, 7% between $500 and $999, and 7% more than $2500.

Chart based on 14 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2005 GMC Envoy Engine problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2005 GMC Envoy

Engine not specified

GMC Envoy in New Jersey, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jan 2011 101000    
103000 0 Check engine light emissions problem was still unrepaired when it was traded. 

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2005 GMC Envoy 4dr SUV, ext.

300-horsepower 5.3L V8 4-speed automatic RWD

GMC Envoy in Texas, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
2800 had to replace engine 
89000  

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2005 GMC Envoy 4dr SUV, ext.

275-horsepower 4.2L I6 4-speed automatic 4WD w/low range

GMC Envoy in Ohio, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2009 67000    
93000 400 Replacement of water pump - was not yet leaking but was making squeaking noise. 
107000 220 CEL came on. Onstar diagnostic said cooling system problem. Local shop diagnosed defective thermostat and replaced. 
 
GMC Envoy in Ontario, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2009 71920    
134540 50 Engine trouble code for thermostat problem. Thermostat stuck open, low coolant temperature. Thermostat replaced. Idler pulley bearing loose play. Replaced Idler pulley. 
141980 7 Leaky radiator cap. Replaced rad cap. 
153420 100 Rear Heater Core leaking. Cut unit out so don't have to recharge AC system. Purchased new unit and installed myself using copper unions to connect back into system. 
164300  

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2005 GMC Envoy 4dr SUV

275-horsepower 4.2L I6 4-speed automatic RWD

GMC Envoy in Georgia, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Apr 2011 68000    
79000 220 Problem was detected in the cooling system. Thermostat not opening properly, but engine was not yet overheating. Replaced thermostat assembly 
101000  

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2005 GMC Envoy 4dr SUV

275-horsepower 4.2L I6 4-speed automatic 4WD w/low range

GMC Envoy in Ontario, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2009 62000    
63860 0 Secondary air check valve rusted and stuck. 
112840 130 Cooling fan Clutch .Code P0526 
124180 100 Engine did not reach operating temperature by the alloted time .ODBii code P0128 .Changed Thermostat and coolant Temperature sensor. 
131440  
GMC Envoy in Virginia, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2011 36000    
40500 380 Water pump bearing failed causing noise like detonation. Entire water pump replaced. 
57000  

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