Buick Regal Owners & Service Manuals
Buick Regal 2018-2025 Service Manual / HVAC & Restraints / Heating, Ventilation, and Air Conditioning

Buick Regal: Heating, Ventilation, and Air Conditioning

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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

 Repair Instructions

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 DTC B371A

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

 All-Wheel Drive

Transfer Case Under normal driving conditions, transfer case fluid does not require maintenance unless there is a fluid leak or unusual noise. If required, have the transfer case serviced by your dealer. Starter Switch Check Warning: When you are doing this inspection, the vehicle could move suddenl

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