Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING | |||||
| PIP-4568K | 01/01/2011 | 10037941 | Ready | 06/08/2011 | |
| PIP-4568K | 01/01/2011 | 10037941 | Gm: service engine soon light is on with a misfire and a possible tick noise. *rm | 06/08/2011 | |
| PIP-4138K | 01/01/2011 | 10037933 | Gm: the service engine soon light is on, there is also a misfire or engine noise. there are multiple possible causes. *rm | 06/08/2011 | |
| PIP-4138K | 01/01/2011 | 10037933 | Ready | 06/08/2011 | |
| ENGINE AND ENGINE COOLING - ENGINE | |||||
| 11-06-04-007B | 04/01/2012 | 10044229 | Gm: diagnosis and repair- malfunction indicator lamp illuminated, reduce engine power message displayed, dtc p2135 set. also included model sierra denali year 2010-2011 *js | 05/23/2012 | |
| SB-09-06-04-025 | 05/01/2009 | 10030725 | Saab/hummer/gmc/chevrolet: malfunction indicator lamp (mil) illuminated, dtcs p0300-p0306, engine runs rough (inspect for water intrusion in spark plug recess area, replace spark plug and ignition coil, seal ignition coil bolt hole vents a | 11/23/2009 | |
| SB-07-06-04-019A | 11/01/2008 | 10028831 | General motors: intermittent mil/ses/ dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-08 gm passengers cars/light duty trucks (incl. saturns). *pe | 06/01/2009 | |
| ENGINE AND ENGINE COOLING - ENGINE - DIESEL | |||||
| PIP-4574M | 08/01/2010 | 10036485 | Buick/chevrolet/gmc/pontiac/saab: excessive oil consumption and/or blue exhaust smoke-investigation update. in most cases did not start until the engine accumulated approximately 30,000 miles or more. *pe | 03/21/2011 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM | |||||
| PIP-4574M | 08/01/2010 | 10036485 | Buick/chevrolet/gmc/pontiac/saab: excessive oil consumption and/or blue exhaust smoke-investigation update. in most cases did not start until the engine accumulated approximately 30,000 miles or more. *pe | 03/21/2011 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE | |||||
| SC-11150 | 07/01/2011 | 10040504 | Ready | 08/31/2011 | |
| SC-11150 | 07/01/2011 | 10040504 | Gm service campaign: see document search button for owner letter. 2008-2009 trailblazer/envoy. the vehicles may develop a crack in the exhaust manifold. it could result in increased exhaust noise. *rm | 08/31/2011 | |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| ENGINE | |||
| 02/14/2012 | 72000 | ||
| Tl- the contact owns a 2008 gmc envoy. the contact stated that the vehicle stalled. the vehicle was taken to the dealer, who advised the contact that because the air pump was located under the vehicle, it was left exposed to debris, which had built up in the air pump over time. the vehicle was not repaired. the contact called the manufacturer and filed a complaint. the failure mileage was 72,000. kmj | |||
| 11/12/2012 | 59000 | ||
| Tl* the contact owns a 2008 gmc envoy. the contact stated that the check engine warning lamp illuminated on the instrument panel. the vehicle was taken to the dealer and they stated that the seal that was on top of the fire wall was damaged. as a result, the water was sipping into the engine compartment and was getting on the coil packs and the plugs. the vehicle was not repaired. the manufacturer was not notified. the failure mileage was 59,000. the vin was unavailable. | |||
| 11/12/2012 | 59000 | ||
| Tl- the contact owns a 2008 gmc envoy. the contact stated that the check engine warning lamp illuminated on the instrument panel. the vehicle was taken to the dealer and they stated that the seal that was on top of the fire wall was damaged. as a result, the water was sipping into the engine compartment and was getting on the coil packs and the plugs. the vehicle was not repaired. the manufacturer was not notified. the failure mileage was 59,000. the vin was unavailable. pmb | |||
| 11/12/2012 | 59000 | ||
| Tl- the contact owns a 2008 gmc envoy. the contact stated that the check engine illuminated on the instrument panel. the vehicle was taken to the the dealer and they stated that the seal that was on top of the fire wall was damaged and that water was getting into the engine compartment and was getting on the coil packs and the plugs. the vehicle was not repaired. the manufacturer was not notified. the failure mileage was 59,000. the vin was unavailable. ap | |||
| ENGINE AND ENGINE COOLING | |||
| 02/04/2013 | 47000 | 1 | |
| I started my vehicle on monday morning and it was unusually loud. after inspection, i found my manifold was cracked. *tr | |||
| ENGINE AND ENGINE COOLING - COOLING SYSTEM | |||
| 10/19/2009 | 1 | ||
| I purchased a 2008 envoy denali 7/08 during the middle of november while drive the temp gage drop to the lowest point and started cutting off hesitating to start. i then contact on-star they stated it was the cooling system and should be taken to the dealer on 10/19/09 i went and was told it was the temp senor which was replace that tuesday. thursday the same issue accord again i notified on-star they stated this time it was the transmission friday i went to the deal to be told they could not work on the car until monday. as i ws speaking to a tech they stated it sounds like the trans and the mgr approached and stated i am handling this and directed me toward the desk and stated he had a rental for me and arranged a ride for me. i truly believe there is something wrong with this car and to make this worse my navigation system has failed me twice as well. *tr | |||
| ENGINE AND ENGINE COOLING - ENGINE | |||
| 12/22/2009 | 1 | ||
| I having problems with my stabilitrak system the engine lights comes on and i just had the thermostat sensors change which took them three time to find the problem and my drivers window sensors was replaced and there a sudden thumb when you brake as thought you have been hit from behind. *tr | |||
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM | |||
| 09/17/2010 | 51000 | ||
| 2008 gmc envoy 51,000 miles exhaust manifold cracked i had it replaced and was told by dealer a 3 day wait would be necessary as they had used stock parts on another envoy with same problem . advised me not to drive because it may catch fire. | |||
| 08/05/2010 | 87000 | ||
| Bought the vehicle last november from georgian pontiac buick gmc in barrie ontario canada last november 2009. learned i had a cracked exhaust manifold on my 2008 envoy at 87 000 km. it has not yet been repaired. research is ongoing. | |||