Buick Regal: Symptoms - Power Steering System
NOTE: Review the system description and operation in order to familiarize yourself with the system functions. Refer to Power Steering System Description and Operation (Electronic Power Steering).
Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the power steering system.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
Symptoms List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Increase in Effort While Turning Steering Wheel
- Poor Return of Steering Wheel
- Steering Wheel Surges/Jerks While Turning
- Rattle, Clunk, Pop or Shudder Noise from the Power Steering System
- Whine or Growl Noise from the Power Steering System
RATTLE, CLUNK, POP OR SHUDDER NOISE FROM THE POWER STEERING SYSTEM
.png)
.png)
WHINE OR GROWL NOISE FROM THE POWER STEERING SYSTEM
Special Tools
CH-39570 Chassis Ear
Equivalent regional tools:Special Tools
.png)
.png)
INCREASE IN EFFORT WHILE TURNING STEERING WHEEL
.png)
.png)
POOR RETURN OF STEERING WHEEL
DEFINITION: After completing a turn, extra steering input is required for the steering wheel to return to center.
.png)
.png)
.png)
.png)
STEERING WHEEL SURGES/JERKS WHILE TURNING
.png)
.png)
STEERING EFFORT HARD OR TOO EASY IN ONE OR BOTH DIRECTIONS
.png)
.png)
READ NEXT:
Wire to Wire Repair - Steering
Special Tools
EL-38125-10 Splice Sleeve Crimping Tool (non GMNA)
J-38125-5A Ultra Torch Special Tool
J-38125-8 Splice Sleeve Crimping Tool (GMNA)
For equivalent regional tools, refer to Special T
Connector Reconnection - Steering
Special Tools
EL-35616 Terminal Test Probe Kit
For equivalent regional tools, refer to Special Tools.
When the condition is not currently present, but is indicated in DTC history,
the cause may be in
SEE MORE:
Heater and Air Conditioning User Interface Control Replacement
Preliminary Procedure
Instrument Panel Lower Trim Panel Replacement.
Heater and Air Conditioning User Interface Control Bolt[2x]
CAUTION:
Fastener Caution.
Tighten
2.5N.m (22 lb in)
Heater and Air Conditioning User Interface Control
Procedure
Unlock the retaining tabs.
Disconnect the el
Description and Operation
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
