Steering/Suspension - Shimmy After Hitting a Bump
NUMBER: 02-003-03GROUP: Suspension
DATE: Aug. 29, 2003
SUBJECT:
Front End Shimmy After Striking A Bump Or Pothole
OVERVIEW:
This bulletin involves the replacement of all four front suspension control arms and the two axle suspension bushings.
MODELS:
1999 - 2001 (XJ) Cherokee (Domestic & International Markets)
SYMPTOM/CONDITION:
The customer may experience a self-sustaining front end shimmy or vibration after the vehicle front suspension has struck a bump or pothole. The occurrence of this condition may be intermittent as it may be dependent upon the size bump or pothole that is struck.
DIAGNOSIS:
Test drive the vehicle over a road surface that duplicates the customer complaint. If a self-sustaining shimmy is felt and the customer has described the condition perform the Repair Procedure.
PARTS REQUIRED:
SPECIAL TOOLS/EQUIPMENT REQUIRED:
REPAIR PROCEDURE:
Replace the upper and lower front suspension control arms (four in total). Replace each respective axle suspension bushing as each upper control arm is replaced. Refer to the appropriate Cherokee Service Manual for detailed removal and installation instructions.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE: