2005 GMC Envoy GMC Envoy 2005

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2005 GMC Envoy repairs by problem area

Engine (25%)

Transmission and Drivetrain (2%)

Brakes and Traction Control (6%)

Suspension and Steering (24%)

Electrical and Air Conditioning (36%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (7%)

Chart based on 87 repairs.

2005 GMC Envoy engine repair cost distribution

$2500+ (6%)

$1000 - $2499 (0%)

$500 - $999 (6%)

$100 - $499 (63%)

< $100 (25%)

Chart based on 16 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 GMC Envoy

Engine not specified

104000 mi 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

80000 mi

US $2800
had to replace engine 

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2005 GMC Envoy 4dr SUV, ext.

300-horsepower 5.3L V8 4-speed automatic 4WD w/low range

110000 mi

US $5
Vehicle experienced noticeable miss at idle, eventually throwing a check engine light for multiple misfire detected. Replaced a cracked spark plug. 

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2005 GMC Envoy 4dr SUV, ext.

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

134540 mi

C $50
Engine trouble code for thermostat problem. Thermostat stuck open, low coolant temperature. Thermostat replaced. Idler pulley bearing loose play. Replaced Idler pulley. 
141980 mi

C $7
Leaky radiator cap. Replaced rad cap. 
153420 mi

C $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. 
166760 mi

C $450
catalytic converter plugged up and ineffective, reducing engine performance. 
182280 mi

C $65
Replaced cooling system thermostat. This was a second time the thermostat needed replacement in 3 years. 
135000 mi

US $1700
The catalytic converter failed due to an O-2 sensor problem. It was allowing unburned fuel to enter the converter and it caused it fail.The dealership replaced everything from the manifold to the tailpipe. 
169700 mi Trouble code PO014. Camshaft Position. Just change the oil and see if that fixes. My SUV throws this code sometimes if the oil needs changed. 
175000 mi

US $50
New Oil Pressure sensor 
93000 mi

US $400
Replacement of water pump - was not yet leaking but was making squeaking noise. 
107000 mi

US $220
CEL came on. Onstar diagnostic said cooling system problem. Local shop diagnosed defective thermostat and replaced. 

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2005 GMC Envoy 4dr SUV

275-horsepower 4.2L I6 4-speed automatic RWD

79000 mi

US $220
Problem was detected in the cooling system. Thermostat not opening properly, but engine was not yet overheating. Replaced thermostat assembly 

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2005 GMC Envoy 4dr SUV

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

40500 mi

US $380
Water pump bearing failed causing noise like detonation. Entire water pump replaced. 
63860 mi Secondary air check valve rusted and stuck. 
112840 mi

C $130
Cooling fan Clutch .Code P0526 
124180 mi

C $100
Engine did not reach operating temperature by the alloted time .ODBii code P0128 .Changed Thermostat and coolant Temperature sensor. 
145700 mi

C $430
Exhaust leak. Had muffler replaced. 
147300 mi

C $90
Code P0410 Secondary emission control valve was bad.I purchased part at dealer and replaced valve. 

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2005 GMC Envoy Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2005 GMC Envoy problems occur, check out our car reliability stats.