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:
Engine Front Cover Replacement
Special Tools
EN-45059 Angular Meter
EN-50820 Front Crankshaft Seal Installer
KM-470 - B Angular Torque Gauge
Equivalent regional tools: Special Tools
Removal Procedure
1. Air Cleaner Assembly - Remove.
2. Camshaft Cover Replacement - Remove.
3. Engine Mount Replacement - Remove.
4. Cranksha
Engine Front Cover Installation
Special Tools
EN-45059 Angle Meter
EN-50820 Front Crankshaft Seal Installer
For equivalent regional tools, refer to Special Tools.
1.
Using EN-50820 installer, install the front crankshaft seal (1) into the
engine front cover.
2.
Ensure proper use of room temperature vulcanizing (RTV) sealan
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