Buick Regal 2018-2026 Service Manual / Steering & Driveline & Axle
Buick Regal: Steering & Driveline & Axle
- Power Steering
- Specifications, Schematic and Wiring Diagrams
- Diagnostic Information and Procedures
- Repair Instructions
- Description and Operation
- Steering Wheel and Column
- Propeller Shaft
- Rear Drive Axle
- Wheel Drive Shafts
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Specifications, Schematic and Wiring Diagrams
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.
Applicati
SEE MORE:
DTC B0081 (Passenger Presence Module)
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 Descriptors
D
Cooling Fan Description and Operation
System Overview
The engine cooling fan system consists of 2 electric cooling fans and 3 fan
relays. The cooling fan relays
are arranged in a series/parallel (S/P) configuration. This allows the engine
control module (ECM) to
operate both fans together at low or high speeds using 2 fan control circ
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