Buick Regal: HVAC - Automatic
SPECIFICATIONS
FASTENER TIGHTENING TORQUE SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this table can be reused after removal.
SCHEMATIC WIRING DIAGRAMS
HVAC WIRING SCHEMATICS
HVAC Module Power, Ground, Serial Data, and Subsystem References
HVAC Controls
A/C Compressor Controls
Blower Motor
Mode and Temperature Door Actuators
Temperature Sensors
Windshield and Sunload Sensors
Heater Coolant Pump
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HVAC COMPONENT REPLACEMENT REFERENCE
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
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:
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.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D
Preliminary Procedure
1. Raise and support the vehicle.
2. Remove the Differential Carrier Assembly.
Rear Axle Vent
NOTE:
Use an appropriate tool to remove and install.
REAR AXLE HOUSING VENT REPLACEMENT
Preliminary Procedure
1. Raise and support the vehicle.
2. Remove the Differential Ca