Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
PIE0047B01/01/201110037684Ready06/03/2011
PIE0047B01/01/201110037684Gm: the vehicle perfromance may be poor with an inoperative fuel gauge. the malfunction light may also be on. *rm06/03/2011
ENGINE AND ENGINE COOLING - COOLING SYSTEM
PIP-489503/01/201110038606Gm: there may be complaints that the low coolant light is on, loss of coolant, or excessive pressure. there are no external leaks. *rm06/24/2011
PIP-489503/01/201110038606Ready06/24/2011
PIP-482208/01/201010036364Chevrolet/gmc: possible engine overheat or loss of coolant. normal si diagnostics will lead to inspecting the water pump for proper operation. when water pump is removed, be sure to inspect the impeller. *pe03/14/2011
ENGINE AND ENGINE COOLING - ENGINE
PIP-4792A10/01/201010037127Ready05/09/2011
PIP-4792A10/01/201010037127Gm: on a cold start there may be a hard start, brief rough running, black exhaust color, and an engine light. the symptoms diminish after running a while. *rm05/09/2011
PIP-4492P09/01/2010PIP-4492Q10036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/03/16/2011
PIP-4492P08/01/201010036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe03/16/2011
PIP-481908/01/201010036344Cadillac/chevrolet/gmc: ses light due to p0300-p0308 and engine misfires; inspect plug wire. this may be the result of a loose spark plug wire of the cylinder with current and/or history misfires. *pe03/14/2011
PIP-482208/01/201010036364Chevrolet/gmc: possible engine overheat or loss of coolant. normal si diagnostics will lead to inspecting the water pump for proper operation. when water pump is removed, be sure to inspect the impeller. *pe03/14/2011
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
RB-1105404/01/201110038762Gm service campaign: see document search button for owner letter. some vehicles have an improper exhaust gas temperature sensor. this could lead to the engine light turning on and reduced engine power. *rm06/27/2011
PI-047405/01/201110038744Ready06/27/2011
RB-1105404/01/201110038762Ready06/27/2011
PI-047405/01/201110038744Gm: an 'engine power is reduced' message appears and there is a stored trouble code. this is caused by wear of the internal fuel injector. *rm06/27/2011
SB-10-06-04-01411/01/201010037539Ready05/25/2011
SB-10-06-04-01411/01/201010037539Gm: information on the turbocharger vane position sensor. *rm05/25/2011
PIP-485011/01/201010037501Gm: there may be a no start, hard start, or extended crank which may be caused by a filter minder vacuum switch. *rm05/24/2011
PIP-485011/01/201010037501Ready05/24/2011
ENGINE AND ENGINE COOLING - ENGINE - OTHER FUEL TYPES - TURBO-CHARGER
PIP-488803/01/201110038605Gm: information on inspecting and replacing turbos. *rm06/24/2011
PIP-488803/01/201110038605Ready06/24/2011
PIP-485711/01/201010037499Gm: there may be reduced power and an internal trouble code in high temperatures or when near the towing limit. *rm05/24/2011
PIP-485711/01/201010037499Ready05/24/2011
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CRANKCASE (PCV)
PIP-4492P09/01/2010PIP-4492Q10036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/03/16/2011
PIP-4492P08/01/201010036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe03/16/2011