Buick Regal Owners & Service Manuals

Buick Regal: Diagnostic Information and Procedures

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 DTC C0176

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy

 DTC C0460

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy

 DTC C0475

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy

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 Vent Hose Replacement

Removal Procedure 1. Raise and support the vehicle. Lifting and Jacking the Vehicle. 2. Transmission Vent Hose (1) @Transmission - Disconnect. 3. Lower the vehicle. 4. Unclip the vent hose retainer (2) from the radiator surge tank (3). NOTE: Note the routing of the vent hose. 5. Transmission Ve

 DTC B2455 (IO5/IO6/IOB)

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. Refer to Diagnostic Procedure Instructions provide an overview of each diagnostic category. DTC Descr

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