1995-2001 GMC Jimmy/Envoy: Reliability
Updated: 11/23/08
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Our reliability study for this generation GMC Envoy includes details on average repair costs, manufacturer recalls, and everything you need to know to gauge the long-term reliability of this generation GMC Envoy .
Trouble Spots
Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search
for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested
solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer,
however, we have our own expert looking at additional vehicle problems.
Air conditioner:
The HVAC system mode switch gets stuck in the vent position as oil gets into the control head as a result of a leaking vacuum switch on the transfer case and a redesigned switch is available. (2001)
Engine knock:
Engine knock when the engine is started is usually eliminated by using an oil filter with a check valve. If this does not work, GM has revised PROMs for the computers and may even replace the main bearings. (1995)
Engine misfire:
A problem with the powertrain control module may cause a lack of power, early upshifts, late shifting in the 4WD-Low range, and otherwise erratic performance. (1996-97)
Engine noise:
The exhaust valves may not get enough lubrication causing a variety of noises. Usually, the same engine consumes excess oil because the valve guide seals on the exhaust valves are bad. (1996)
Hard starting:
Hard starting, rough idling, and drivability problems can be due to clogged central multiport fuel injection (CMFI) system poppet valves. (1995-2001)
Rough idle:
Stalling, hesitation, poor idle due can be caused by carbon buildup at EGR valve and passage or EGR valve failure. (1995-2000)
Transmission leak:
Fluid may leak from the pump body on 4L60-E transmissions due to the pump bushing walking out of the valve body. (1995-96)
Consumer Guide® Estimated Repair Costs
This table lists costs of likely repairs for comparison with other vehicles. The
dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the
typical repair without extras or add-ons. Like the pricing information, replacement
costs can vary widely depending on region. Expect charges at a new-car dealership
to be slightly higher.
| Item Name | Repair Cost |
| A/C Compressor | $520 |
| Alternator | $225 |
| Automatic Transmission or Transaxle | $850 |
| Brakes | $220 |
| Clutch, Pressure Plate, Bearing | $800 |
| Exhaust System | $485 |
| Radiator | $450 |
| Shocks and/or Struts | $410 |
| Timing Chain or Belt | $230 |
| Universal Joints | $270 |
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