Buick Regal Owners & Service Manuals
Buick Regal 2018-2025 Service Manual / Engine / Engine Cooling / Diagnostic Information and Procedures

Buick Regal: Diagnostic Information and Procedures

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 DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LTG)

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. Diag

 DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LGX)

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. Diag

 DTC P1258

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. Diag

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 Low and Reverse Clutch Piston Installation

Direct Clutch Fluid Seal Ring [2x] Direct Clutch Hub Thrust Bearing Race 2nd Clutch Housing Rear Bearing Low and Reverse Clutch Application Ring Low and Reverse Clutch Application Ring Low and Reverse Clutch Piston 1-Reverse Clutch Spring 1-Reverse Clutch Spring Retaining Ring Procedure

 General Information

For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: California Proposition 65 Warning Warning: Most motor vehicles, including this one, as well as many of its service parts and fl

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