Preliminary Procedures
Windshield Wiper Arm Replacement - Remove [2x].
Air Inlet Grille Panel Retainer [6x]
Air Inlet Grille Panel
Procedure
Unlock the retaining tabs.
AIR INLET GRILLE PANEL WA
WIPER/WASHER SYSTEM DESCRIPTION AND OPERATION
Wiper/Washer System Components
The wiper/washer system consists of the following electrical components:
Windshield Wiper Relay
Windshield Wiper Speed C
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure:Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
Diagnosis
An overview of each diagnostic category can be found here:Diagnostic
Procedure
POWER TRANSFER UNIT CASE IDENTIFICATION
The power transfer unit primary identification label (1) is located on the
rear extension housing. The power transfer
unit secondary identification stamping (2) is located on the bottom of the main
housing.
Transfer Case Primary Identification Label
GM P