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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 OnStar Smart Driver

OnStar Smart Driver provides information about driving behavior to help maximize overall vehicle performance, reduce wear and tear, and enhance fuel efficiency. An Insurance Discounts Eligibility feature is also offered within OnStar Smart Driver. See www.onstar.com for details regarding vehicle eli

 Auxiliary Water Pump Replacement (FWD)

Removal Procedure 1. Drain the cooling system. 2. Steering Gear Heat Shield (2) - Remove. 3. Heater Outlet Hose Clamp (1) - Disengage. 4. Heater Outlet Hose (2) @ Auxiliary Water Pump - Remove. 5. Heater Coolant Pump Hose Clamp (1) - Disengage. 6. Heater Coolant Pump Hose (2) @ Auxiliary Wa

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