Buick Regal 2018-2025 Service Manual / HVAC & Restraints
Buick Regal: HVAC & Restraints
- Heating, Ventilation, and Air Conditioning
- Specifications, Visual Identification
- Diagnostic Information and Procedures
- Repair Instructions
- Special Tools and Equipment
- HVAC - Automatic
- HVAC - Manual
- Seat Belts
- Supplemental Inflatable Restraints
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Specifications, Visual Identification
SPECIFICATIONS
FASTENER SPECIFICATIONS
Single Use Non-Threaded Fasteners/Components
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with
NEW after removal.
Applicat
Diagnostic Information and Procedures
LEAK TESTING
Special Tools
GE-41447 A/C Tracer Dye-Box of 24
GE-42220 Universal 12V Leak Detection Lamp
GE-43872 Fluorescent Dye Cleaner
GE-50078 Electronic Leak Detector
GE-50744 R-1234yf PAG O
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Description and Operation
ABS DESCRIPTION AND OPERATION
B22 - B22 Brake Pedal Position Sensor
S48E - S48E Multifunction Switch - Center Console
P16 - P16 Instrument Cluster
K9 - K9 Body Control Module
K20 - K20 Engine Control Module
K71 - K71 Transmission Control Module
K17 - K17 Electronic Brake Control Module
Q5 - Q5 Brak
Automatic Day-Night Mirrors Malfunction
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
Diagnostic Fault In
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