GM now recommends any cam bearing replacement in a Gen IV V8 engine (LS series) to use coated cam bearings in all five positions.
This bulletin applies to 2006-2014 GM passenger cars and trucks equipped with OnStar Gen 7, Gen 8, Gen 9 or FCP1. The OnStar system may not power up, with no LED illumination and/or no response from the OnStar button assembly. This issue may be accompanied by no communication with the scan tool as well.
This bulletin applies to 2013 and prior GM passenger cars and trucks equipped with drum hat park brakes.
This bulletin applies to 2006-2009 Hummer H3 and 2003-2009 Hummer H2 vehicles. While some owners of these vehicles may request a fluid change for the rear axles, the service information and owner’s manual do not show a service interval for the rear axles with or without G80 locking differential.
This bulletin applies to all 2011-2012 GM passenger cars and light-duty trucks. In the event that an OnStar module had previously acquired a GPS signal with calibrated dead reckoning and is transported or towed at least 59 miles with the ignition off, the module may not re-acquire a current GPS location.
When servicing 2012 and earlier GM vehicles that feature stainless steel-clad wheel nuts, using a shallow socket wrench can easily deform or crack that stainless steel cover.
According to GM, a “very small number” of 2013 Corvettes may exhibit an abnormal exhaust noise, due to an improperly torqued exhaust joint after the catalytic converter.
This bulletin applies to 2011-2014 GM vehicles equipped with OnStar. While diagnosing a vehicle with an OnStar concern, technicians may find DTC B101D-37 in the OnStar module (VCIM) while checking for codes.
For the second time, Brake Parts Inc (BPI) was named a 2017 GM Supplier of the Year by General Motors during its 26th annual Supplier of the Year awards ceremony held recently in Orlando, Fla.
This bulletin applies to 2009-2010 Chevy HHR vehicles. According to GM, “in rare instances” a technician may comment that they hear a short, sharp rattle noise from the front of the engine at start-up. Codes P0011, P0014, P0016 or P0017 may also be set.