Cutlass Ciera Cruiser V6-3300 3.3L (1989)
Power Steering Pump: Customer Interest
Power Steering - Shudder
NUMBER:
91-T-177
CORP.REF.NO: 133208R
DATE:
August 1991
SECTION:
3
SUBJECT:
POWER STEERING SHUDDER USE INSPECTION/ANALYSIS CHART
MODELS/YEARS:
1989-91 CUTLASS CIERA AND CUTLASS CRUISER
WITH 3.3L (VIN N) ENGINE
CONDITION:
Some 1989-91 Cutlass Ciera and Cutlass Cruiser models with the 3.3L (VIN N) engine may exhibit power steering shudder, a pulsing or resonating
disturbance that the vehicle operator may hear and feel through the body structure and steering wheel. This condition is most apparent at low engine
RPM and/or while making low speed turns.
CAUSE:
A combination of power steering pump pressure pulses and engine firing frequency generating a disturbance transmitted through the body structure.
CORRECTION:
Utilizing the Inspection/Analysis Chart shown, determine which of the power steering or engine components indicated have NOT been previously
installed on the suspect vehicle.
INSPECTION/ANALYSIS CHART
Parts are currently available from GMSPO.
Install those components not found on the vehicle after performing the above inspection, following applicable service manual procedures and in the case
of the crankshaft balancer kit, those indicated on the next page:
CRANKSHAFT BALANCER KIT INSTALLATION PROCEDURE:
Remove or Disconnect: