Buick Regal: Repair Instructions - Off Vehicle
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Power Transfer Unit Case Holding Fixture Installation
Power Transfer Unit Case
Procedure
Always secure with the pivot pin after rotating.
NOTE:
The power transfer unit can be rotated 360 degr
Power Transfer Unit Case Housing Cleaning and Inspection
Preliminary Procedure
Clean the power transfer unit case housing.
The case halves, internal gears and bearings are not serviceable
compon
Power Transfer Unit Idler Gear Shaft Tube and O-ring, Input Shaft Bearing
Race and Shim, and Idler Gear Shaft Bearing
Race and Shim Installation
Power Transfer Unit Idler Gear Shaft Access Tube O-
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NOTE: The following steps must be completed before using the symptom
tables:
1. Perform the Diagnostic System Check - Vehicle before using the Symptom
Tables in order to
verify that all of the following are true: before using the Symptom Tables in
order to verify that all
of the following are tru
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