Buick Regal 2018-2024 Service Manual / HVAC & Restraints / Heating, Ventilation, and Air Conditioning
Buick Regal: Heating, Ventilation, and Air Conditioning
- Specifications, Visual Identification
- Diagnostic Information and Procedures
- Repair Instructions
- Special Tools and Equipment
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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:
Brake Pulsation
WARNING: Brake fluid may irritate eyes and skin. In case of contact,
take the following
actions:
Eye contact - rinse thoroughly with water.
Skin contact - wash with soap and water.
If ingested - consult a physician immediately.
CAUTION: Brake fluid will damage electrical connections and painte
Roof
Sunroof
If equipped, the sunroof only
operates when the ignition is on or
in ACC/ACCESSORY, or when
Retained Accessory Power (RAP) is
active.
Sunroof Switch
The vehicle may have one of two
different switch configurations.
Open/Close (Manual Mode) :
Press (1) or
(1) to the first
detent to open t
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