Buick Regal: Diagnostic Information and Procedures

 Specifications, Diagnostic Information and Procedures

SPECIFICATIONS FASTENER SPECIFICATIONS Single Use Non-Threaded Fasteners/Components NOTE: All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. Application O-Ring at PTU Output Shaft O-Ring at Rear Differential Input Shaft Retaining Ring at PTU Output

 DTC B3884

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors D