Manifold/header/muffler/tail Pipe Problems of GMC Envoy

The contact owns a 2006 GMC Envoy. The contact stated that the vehicle was not able to start. Additionally, while driving at various speeds, the steering wheel seized and the vehicle lost motive power. The vehicle was taken to an independent mechanic. The mechanic informed the contact that no codes appeared on the code reader and replaced the battery; however, the failure recurred. The vehicle was then taken to the dealer and diagnosed that the computer needed to be reset after the battery was replaced. The dealer reset the computer; however, the failure recurred. The vehicle was taken back to the dealer and diagnosed that there was a leak in the intake manifold after a smoke test was performed. The dealer replaced the manifold gasket; however, the failure recurred. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 142,000.

See all problems of the 2006 GMC Envoy 🔎.

Only 8 years old and 140,000 miles the exhaust manifold has cracked allowing exhaust fumes to enter the interior of the car. I have had no accidents with this car and I see no reason why the manifold should crack. I have had cars longer then this that never had this problem. Manifolds should not just crack.

See all problems of the 2009 GMC Envoy 🔎.

The contact owns a 2004 GMC Envoy. While the vehicle was stationary, the exhaust manifold fractured and the heat from the exhaust manifold damaged the frame of the vehicle. The contact stated that the failure caused severe rust and corrosion. In addition, the contact stated that there were holes in the frame. A dealer was not made aware of the failure. The manufacturer stated that the failure was not safety related and there were no recalls on the vehicle. The failure mileage was 136,000.

See all problems of the 2004 GMC Envoy 🔎.

Our 2008 GMC Envoy kept on getting louder and louder as time went on and when I went to check it out I found that the exhaust manifold had a crack in it about 3. 5 inches long. If feel that this should be a recall do to I changed 3 od them in other GMC Envoys in the last 6 months. I own a state inspection repair garage in pennsylvania. This is a very poor layout by gm. Also the secoundaryair pump on this same vehicle is a command problem. And the wiper spray nosal is also another command poor design.

See all problems of the 2008 GMC Envoy 🔎.

I started my vehicle in the am and it made a loud muffled noise. Took it to the mechanic and he showed me a picture of a crack in th exhaust manifold. I looked online and saw recalls for other years and models for GMC and chevy. I think the 2008 chevy Envoy should be included. It seems to be that the manifold is defective.

I started my vehicle on Monday morning and it was unusually loud. After inspection, I found my manifold was cracked.

Exhaust manifold cracked. Gm has a special extended warrenty on model years 2008-2009 only. Yet they are the same manifold and same engine on all model years. There are 100's of reports of cracked manifolds online, with all model years.

Exhaust manifold bolts broken, causing uncatalyzed exhaust emissions under hood and resulting in increased CO (carbon monoxide) levels entering the cabin through the hvac system during engine operation at slow speeds or while parked.

See all problems of the 2007 GMC Envoy 🔎.

The contact owns a 2006 GMC Envoy. The contact stated that while driving approximately 45 mph, the check engine warning light illuminated. The vehicle was taken to the dealer where they advised the contact that the engine was running lean and they were unable to make repairs until the component had actually failed. The manufacturer was later contacted and offered no assistance. The failure mileage was approximately 64,000. Updated 05/08/lj the consumer stated the vehicle was repaired. The intake manifold needed to be tightened. Updated 05/14/12.

The contact owns a 2002 GMC Envoy. While driving approximately 45 mph, smoke and flames emitted from under the hood. The contact was able to exit the vehicle and with assistance, the flames were extinguished. There was no personal injury. The vehicle was towed to an independent mechanic who advised that the failure was contributed to the wiring harness being positioned too close to the exhaust manifold. The vehicle was in the process of being repaired. The manufacturer was notified of the problem. The approximate failure mileage was 137,000.

See all problems of the 2002 GMC Envoy 🔎.

Exhaust manifold is cracked. Had exhaust manifold and gaskets replaced. Took 5 working days to fix. Checked on line and found many complaints on the Envoy and trailer blazer 's manifold.

See all problems of the 2005 GMC Envoy 🔎.

Fuel gauge is not working properly, it will continously move from empty to full. ** 2nd complaint- I have had the engine rebuilt because of" intake manifold assembly failure" the part # is gm 12571609 and has failed twice. The last repair was 4-29-2011 the first repair was 9-15-2010 same part same problem. This repair cost was $3500. 00.

Exhaust manifold on Envoy 2005, 4. 2 engine. Crack in the manifold this is a serious issue and seems to be common. This issue should be a recallable item by gm. This effects our environment and safety.

When dealership changed oil, an oil pressure hose was found to be leaking oil from engine. Problem was repaired by the dealership. Vehicle has experienced several problems with the windshield wipers, deale has replaced the multifunction switch, rear wiper motor, front wiper terminal board and wiper module. Rear speakers have humming noises, speaker was shorting out, later consumer heard whistle noises in the rear speaker. When starting, there was a rattle noise, dealer found exhaust out of alignment. Creeking noise caused by faulty door pins and bushings, passenger side kick panel loose/falling off, dealer found right side panel loose. Alternator voltage drops with load below 35 amps, dealer replaced alternator, there was a squeak in the rear suspension, dealer found the e brake cable was chaffing on bushings, dealer repositioned e brake cable. Right front wheel bearing grinding, dealer replaced right front hub. Left front hub replaced due to growling, dealer found hub was worn.

See all problems of the 2000 GMC Envoy 🔎.