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:
Bluetooth Malfunction (with IO5/IO6)
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 provide an overview of each
diagnostic category.
Circuit/S
Tire and Wheel Balancing
WARNING: Failure To Adhere To The Following Precautions Before Tire
Balancing Can
Result In Personal Injury Or Damage To Components:
Clean Away Any Dirt Or Deposits From The Inside Of The Wheels.
Remove Any Stones From The Tread.
Wear Eye Protection.
Use Coated Weights On Aluminum Wheels.
Tir
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