Cherokee 2WD L6-4.0L VIN S (1998)
Technical Service Bulletin # 03-01-98
Date: 980327
Drive Line - Vibration/Droning Noise Over 60 Mph
NO: 03-01-98
GROUP: Differential/Drive Line
DATE: Mar. 27, 1998
SUBJECT:
Drive Line Vibration At Speeds Over 60 MPH
MODELS:
1997 - 1998 (XJ) Cherokee
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH 4.0L ENGINES AND AUTOMATIC TRANSMISSIONS.
SYMPTOM/CONDITION:
A vibration may be present while driving at speeds over 60 MPH. The condition is usually accompanied by a droning noise and has a higher frequency
vibration usually associated with propeller shaft speed as opposed to lower frequency vibrations associated with wheel and tire vibrations.
DIAGNOSIS:
Road test the vehicle. If the vibration is present, refer to the 1997 Cherokee Service Manual, publication number 81-370-8146, for basic diagnostic
procedures to eliminate the possibility of mistaking vibration caused by other rotating components. It is important that all of the basic diagnostic
procedure be performed in the following areas prior to installing the Repair Procedures parts as listed:
-
Check and correct tire pressures
-
Wheel and tire run out
-
Drive Line angles
-
Prop Shaft and yoke run out
If no problems are identified during the basic diagnostic procedures, perform the repair Procedure.
PARTS REQUIRED:
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:
Install Shims, Bracket and Prop Shaft
13-30-02-91
1.2 Hrs.
Add for Skid Plate
13-30-02-60
0.2 Hrs.