Buick Regal 2018-2025 Service Manual / Transmission / Power Transfer Unit/Transfer Case - AAM / Repair Instructions - Off Vehicle
Buick Regal: Repair Instructions - Off Vehicle
- Power Transfer Unit Case Disassemble
- Power Transfer Unit Case Cleaning and Inspection
- Power Transfer Unit Case Assemble
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Power Transfer Unit Case Disassemble
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 Cleaning and Inspection
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 Case Assemble
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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Specifications, Diagnostic Information and Procedures
SPECIFICATIONS
FASTENER SPECIFICATIONS
Single Use Non-Threaded Fasteners/Components
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after removal.
Application
O-Ring at PTU Output Shaft
O-Ring at Rear Differential Input Shaft
Retaining Ring at PTU Output
Lighting Features
Entry Lighting
Some exterior lamps and most of
the interior lamps turn on briefly at
night or in areas with limited lighting
when the Remote Keyless Entry
(RKE) transmitter button is
pressed.
After
about 30 seconds the exterior lamps
turn off, then the dome lamps and
remaining interior lamps dim t
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