Buick Regal 2018-2025 Service Manual / HVAC & Restraints / HVAC - Automatic / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
HVAC COMPONENT REPLACEMENT REFERENCE
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- DTC B0163
- DTC B0163, B0183, or B1405
- DTC B0173, B0178, B0509, B0514 or B3933
- DTC B018A, B048C, B048F, or B1395
- DTC B0183
- DTC B0193
- DTC B0223, B022A, B0233, B023A, B0408, or B0418
- DTC B269A, B269C, or B269D
- DTC B3843
- DTC B393B
- DTC P0532 or P0533
- DTC P0645, P0646, or P0647
- Symptoms - HVAC Systems - Automatic
- Air Conditioning Compressor Malfunction
- Afterblow Enabling
READ NEXT:
DTC B0163
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 B0163, B0183, or B1405
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 B0173, B0178, B0509, B0514 or B3933
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:
Front Brake Pipe Replacement - Right Side
Removal Procedure
WARNING: Brake Fluid Irritant Warning
CAUTION: Brake Fluid Effects on Paint and Electrical Components Caution
1. Place the ignition switch in the OFF position.
2. Without draining the coolant and without disconnecting the hoses, position
aside the radiator surge
tank.
3.
Right
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Information
Service Manuals
Service Manuals have the diagnosis
and repair information on the
engines, transmission, axle,
suspension, brakes, electrical,
steering, body, etc.
Owner Information
Owner publications are written
specifically for owners and intended
to provide basic operational
information about the
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