Buick Regal 2018-2026 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
SEE MORE:
Rear Wheel Drive Shaft Outer Joint and Boot Replacement
Special Tools
J-42572 Drive Shaft Seal Clamp Pliers
Disassembly Procedure
1. Rear Wheel Drive Shaft - Remove
Rear Wheel Drive Shaft Replacement - Left Side
Rear Wheel Drive Shaft Replacement - Right Side
2. Place the wheel drive shaft horizontally in a bench vise.
3.
Using a side cutter or oth
DTC B255F
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 Descriptor
DT
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