Manufacturer Communications

Bulletin Number	Vehicle Make	Vehicle Model	Model Year	Summary
PI-1255F	GMC	SIERRA 2500	2018	Changing to Camper Outside Rearview Mirrors Some customers may request to have camper style mirrors installed on their vehicle. The new electrical
20NA185	GMC	SIERRA 2500	2018	This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers
N182188930	GMC	SIERRA 2500	2018	N182188930 - Special Coverage. Some vehicles, equipped with a Duramax Diesel engine, the transmission cooler lines may be rubbing on the front frame/b
17309	GMC	SIERRA 2500	2018	17309 - Service Update. On certain vehicles equipped with a Duramax diesel engine (RPO L5P), DTC P2002 may be disabled causing a cracked or inoperati
PIT4529D	GMC	SIERRA 2500	2018	This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options.<br />
18NA085	GMC	SIERRA 2500	2018	This informational bulletin helps the technician on how to determine the difference in small, med, to large leaks in induction or exhaust systems when
PIT5544A	GMC	SIERRA 2500	2018	This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of th

Know if there is a safety problem with your vehicles, tires or car seat, and how to get it fixed.