Buick Regal Owners & Service Manuals

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.

HVAC - Automatic

SCHEMATIC WIRING DIAGRAMS

HVAC WIRING SCHEMATICS

HVAC Module Power, Ground, Serial Data, and Subsystem References

HVAC - Automatic

HVAC Controls

HVAC - Automatic

A/C Compressor Controls

HVAC - Automatic

Blower Motor

HVAC - Automatic

Mode and Temperature Door Actuators

HVAC - Automatic

Temperature Sensors

HVAC - Automatic

Windshield and Sunload Sensors

HVAC - Automatic

Heater Coolant Pump

HVAC - Automatic

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 Diagnostic Information and Procedures

HVAC COMPONENT REPLACEMENT REFERENCE

 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

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 DTC B0081 (Passenger Presence Module)

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

 Rear Axle Vent Replacement

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

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