Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
PIP-4138K01/01/201110037933Ready06/08/2011
PIP-4138K01/01/201110037933Gm: the service engine soon light is on, there is also a misfire or engine noise. there are multiple possible causes. *rm06/08/2011
04060408803/01/2005040604088A10014959Replacement of connector when replacing fuel tank module/fuel pump module. *tt05/12/2005
312101/01/200410010056Exhaust vibration resonance or moan. (2004-2005 gmc denali) *sc11/03/2004
ENGINE AND ENGINE COOLING - ENGINE
326710017155Diagnostic trouble code p0128 or engine will not reach operating temperature. *sc10/26/2005
32323232A100148701999 - 2005 gen ii cold engine misfire at idle with possible p0171 and/or p0174. *tt05/10/2005
308110010375Service engine soon light and p0300 when towing, cruising uphill or on hard acceleration. *tt11/17/2004
305801/01/200410009673Goodwrench engine and replacement crankshaft information. *tt10/14/2004
01119A01/01/200401119B10007576Roll-out for the gen iii small block engines with iridium spark plugs. also includes 2003/2004 m/l vans. *tt07/01/2004
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
020604023A06/01/2002020604023634788Some customers may comment on a mild to severe engine ping (commonly referred to as spark knock) usually worse during acceleration and / or an illuminated malfunction indicator lamp. *tt10/09/2002
010601029B07/01/2002010601029A634805Some customers may comment on higher than expected engine oil consumption. *tt10/09/2002
02060402305/01/2002634723Some customers may comment on a mild to severe engine ping (spark knock) during acceleration and / or illuminated malfunction indicator lamp with diagnostic trouble code p0332 set. *tt10/07/2002

Consumer Complaints


Fail datemilesoccurencesPurchase date
ENGINE AND ENGINE COOLING
11/26/2003820001
 The consumer noticed that the vehicle was leaking coolant. the vehicle was taken to an independent mechanic who indicated that the intake manifold, water pump and thermostat were rusted. please provide any further information. *nlm
ENGINE AND ENGINE COOLING - COOLING SYSTEM
04/27/20039100001/04/1999
 Quick change connector on the manifold is manufactured from a dissimilar metal causing premature deterioration of the fitting resulting in a loss of coolant. *nlm
01/05/2002108/01/1998
 Any recall on this vehicle? no safety defect listed. *ak
ENGINE AND ENGINE COOLING - ENGINE
11/02/200683785112/01/2004
 Dt*: the contact stated the vehicle's check engine light illuminated. the service dealer determined the engine head needed to be shaved down to correct the problem. the contact expressed concern that the engine was defective. updated 11/30/2006 - *nm
09/23/19985
 The front brakes would overheat & become sluggish. also, vehicle's would stall out after being idled or stopped. taking vehicle to dealer. *ak
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
06/11/2001
 Engine was sluggish, and it jerked hard when changing over. consumer assumed that sound was because of v8 engine. delaer stated motor was shot, but consumer was waiting for a written diagnosis. *ak
09/26/20000
 While driving about 60 mph when engine will stall without a prior warning just die, no power/no electricity when this happens. *ak
 When driving at 20-25 mph engine will cut off without prior warning, which causes loss of all power. consumer has contacted dealer, fuel filler was replaced. however, problem still occurs. please provide any further details. *ak
09/21/19998
 J3140- eng cool adaptr rpl, f2023-pin shaft seal, t2020-warrenty towing, f3023-rr diff housing rpl, c0382 r/r win reg r&r/ rpl, j1400-flywheel(auto) rpl, j5645-fuel injector clean, k4123 trans case sel sw,12345104, check engine soon light came on everytime i had work done. the truck has been in the shop up to 8 times!
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS
3
 Tensioner that adjusts main belt had broken. ever since would be making clicking noise. had taken to dealership 3 times for repairs, and each time repairs would fail after a while.*ak
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
02/11/200463000208/01/2001
 While driving, the steering wheel jerked away from the consumer without warning. *ak the problem was due to the (evo) exhaust valve opening. *sc *jb
08/01/2001
 Since date of purchase consumer has had an exhaust system problem, causing vehicle to make loud noises. please provide further details.*ak