Buick Regal 2018-2024 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:
Specifications, Diagnostic Information and Procedures
SPECIFICATIONS
FASTENER SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
NOTE:
All Fasteners Listed In This Table Can Be Reused After Removal.
ADHESIVES, FLUIDS, LUBRICANTS, AND SEALERS
DIAGNOSTIC INFORMATION AND PROCEDURES
TIRE DIAGNOSIS - IRREGULAR OR PREMATURE WEAR
Tire Wear
Storage Compartments
Warning:
Do not store heavy or sharp
objects in storage compartments.
In a crash, these objects may
cause the cover to open and
could result in injury.
Glove Box
Lift up the handle to open the
glove box.
Cupholders
There are two cupholders in the
front storage area. Slide the cover
to access them
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