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.
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SCHEMATIC WIRING DIAGRAMS
HVAC WIRING SCHEMATICS
HVAC Module Power, Ground, Serial Data, and Subsystem References
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HVAC Controls
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A/C Compressor Controls
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Blower Motor
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Mode and Temperature Door Actuators
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Temperature Sensors
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Windshield and Sunload Sensors
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Heater Coolant Pump
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READ NEXT:
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 Procedures
1. Steering Column Lower Trim Cover Replacement.
2. Reposition the steering column upper trim cover as necessary.
Windshield Wiper and Washer Switch
Procedure
Disconnect the electrical connector.
Release the retaining tabs and remove the windshield wiper and
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