Buick Regal: Description and Operation
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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 engin
Cooling System Description and Operation
Engine Coolant Indicators
The instrument panel cluster (IPC) shows the engine temperature on the
temperature gauge. The
value is sent on the data communication line from engine control module (EC
Firing Order and Cylinder Identification
NOTE: This information is intended as a quick reference for firing
order and
cylinder identification only. The information provided covers many
vehicles and may include some information that does not
SEE MORE:
Radio Controls Malfunction (IOB)
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.
Refer to Diagnostic Procedure Instructions for an overview of each
diagnostic category.
Diagnostic Fa
SIR Deployed Inflator Modules Are Hot Warning
WARNING: After deployment, the metal surfaces of the SIR component may
be very
hot. To help avoid a fire or personal injury:
Allow sufficient time for cooling before touching any metal
surface
of the SIR component.
Do not place the deployed SIR component near any flammable
objects.
SIR INFL
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