This bulletin applies to 2007-2015 Chevy Express vehicles equipped with a 4.8L engine. The SES lamp may be on with a DTC P001 code. If the service flow chart has been followed and it did not resolve the concern, check the oil pressure at the oil pressure sender. Check number 2 cam bearing (this is the location the oil is fed from, to the actuator).
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
