Buick Regal 2018-2026 Service Manual / General Information / Wheel Alignment Theory and Operation
Buick Regal: Wheel Alignment Theory and Operation
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Pre-Alignment Instructions
NOTE: This is GENERAL information. This article is not intended to be
specific
to any unique situation or individual vehicle configuration. For modelspecific
information see appropriate articles wher
Adjustments
NOTE: This is GENERAL information. This article is not intended to be
specific
to any unique situation or individual vehicle configuration. For modelspecific
information see appropriate articles wher
SEE MORE:
DTC B0017 or B0024
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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