Buick Regal: 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 Shaft
Retaining Ring at Rear Differential Input Shaft
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this table can be reused after removal.
ADHESIVES, FLUIDS, LUBRICANTS, AND SEALERS
DIAGNOSTIC INFORMATION AND PROCEDURES
PROPELLER SHAFT DIAGNOSIS
Review the propeller shaft description and operation.
The individual propeller shafts and the propeller shaft bearing support
bearings are not serviced separately.
Inspect for loose or disconnected propeller shaft-to-drive unit interface.
Replace snap ring as necessary.
Inspect for loose or damaged propeller shaft bearing support bolts. Tighten
or replace as necessary.
The propeller shaft bearing supports should be inspected for the following:
- Tears
- Cracks
- Contamination
- Damaged support bushing
The propeller shaft must be replaced as a complete assembly if any of the
above conditions exist.
SCRAPING NOISE
READ NEXT:
PROPELLER SHAFT REPLACEMENT
Special Tools
DT-51329 Drive Shaft Remover
GE-2619-A Slide Hammer
Equivalent regional tools:Special Tools.
Removal Procedure
1. Raise and support the vehicle.
2.
Floo
PROPELLER SHAFT DESCRIPTION AND OPERATION
The function of the propeller shaft is to transfer power from the power
transfer unit to the differential clutch. It
consists of three tubes sections; the f
SPECIFICATIONS
FASTENER SPECIFICATIONS
Single Use Threaded Fastener/Component Tightening Specifications
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
aft
SEE MORE:
Tires need the correct amount of
air pressure to operate
effectively.
Caution:
Neither tire underinflation nor
overinflation is good.
Underinflated tires, or tires
that do not have enough air,
can result in:
Tire overloading and
overheating which could
lead to a blowout.
Premature or
irregul
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