Buick Regal 2018-2025 Service Manual / Engine / Engine Cooling / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LTG)
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LGX)
- DTC P1258
- Symptoms - Engine Cooling
- Cooling Fan Always On (Dual Fan)
- Cooling Fan Always On (Single Fan)
- Cooling Fan Inoperative (LGX)
- Cooling Fan Inoperative (LTG)
- Pressure Cap Testing
- Cooling System Leak Testing (Pressure Test)
READ NEXT:
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
SEE MORE:
Distracted Driving
Distraction comes in many forms
and can take your focus from the
task of driving. Exercise good
judgment and do not let other
activities divert your attention away
from the road. Many local
governments have enacted laws
regarding driver distraction. Become
familiar with the local laws in
your area.
Differential Carrier Assembly Replacement
Removal Procedure
1. Raise and support the vehicle.
2. Differential Carrier Assembly - Drain.
3. Exhaust Muffler - Remove.
4. Propeller Shaft - Remove.
5. Parking Brake Actuator - Disconnect.
6. Rear Wheel Drive Shaft - Remove.
7. Disconnect the differential carrier electrical connectors at t
© 2019-2025 Copyright www.buregal6.com
