Buick Regal: Diagnostic Information and Procedures

 Diagnostic Information and Procedures

SYMPTOMS - POWER TRANSFER UNIT CASE Strategy Based Diagnostics Review the system operations in order to familiarize yourself with the system functions. Refer to Power Transfer Unit Case Disassembled View, Power Transfer Unit Case Description and Operation, and Rear Drive Axle Description and Opera

 Odor Correction

Eliminating Air Conditioning (A/C) Odor Odors may be emitted from the heat and air conditioning system primarily at start up in hot, humid climates. When the blower motor fan is turned on, an unpleasant, musty odor may be released into the passenger compartment. The following conditions may cause