Buick Regal 2018-2025 Service Manual / HVAC & Restraints / HVAC - Automatic
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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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
SEE MORE:
Brake Assist
The Brake Assist feature is
designed to assist the driver in
stopping or decreasing vehicle
speed in emergency driving
conditions. This feature uses the
stability system hydraulic brake
control module to supplement the
power brake system under
conditions where the driver has
quickly and forcefully a
Where Are the Airbags?
The driver frontal airbag is in the
center of the steering wheel.
The front outboard passenger
frontal airbag is in the passenger
side instrument panel.
The driver knee airbag is below the
steering column. The front outboard
passenger knee airbag is below the
glove box.
Driver Side Shown, Passen
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