600 L4-135 2.2L SOHC (1983)
Wheel Bearing: Customer Interest
Front Hub/Knuckle - Clunk or Popping Noise
Models
All 1983 Front Wheel Drive & 1984 Omni, Horizon, Charger, Turismo & Rampage
Subject
Front Hub/Knuckle Bearing Clunk
Index
FRONT SUSPENSION
Date
5-14-84
No.
02-04-84
SYMPTOM/CONDITION
Some vehicles built prior to early February, 1984 may exhibit a "clunk" or "popping" noise in either one or both front knuckle bearings. This clunk will
only be evident during the turning maneuvers while the vehicle is moving. The customer may describe the noise as a front suspension or steering clunk.
DIAGNOSIS
Road test the vehicle on a smooth surface and turn the steering lock to lock. If bearing clunk is evident it will normally require turning the steering in
both directions to repeat the noise.
Another verification test can be performed by rocking the vehicle. Have two people rock the vehicle side to side by pushing on the roof drip rail area.
While they are rocking the vehicle, listen to the suspect hub area for the clunk. In most cases the same clunk can be heard.
If noise is determined to be a bearing clunk it is probably caused by flexing (oil canning) of the bearing retainer plate. Bearing replacement is not
necessary.
PARTS REQUIRED
1 per side - Retainer Back-Up Plate PN 5212775
REPAIR PROCEDURE
1.
Remove disc brake rotor using service manual procedure.
2.
Back out bearing retainer screws (3). Do not remove hub or bearing components.
3.
From the top, install Bearing Retainer Back-Up Plate, PN 5212775, over the three retainer screws. The backup plate should be on the outboard
(hub) side of the retainer.
4.
Retorque retainer screws and reassemble brake and wheel assembly.
5.
Road test vehicle to confirm the condition is corrected. The installation of this retainer back-up plate will reinforce the retainer to prevent the
flexing (oil canning) condition and eliminate the bearing clunk.
POLICY:
Reimbursable within the provisions of the warranty
TIME ALLOWANCE:
Labor Operation No.
22-50-01-90 One Side.........0.4 Hrs.
22-50-01-91 Both Sides.........0.7 Hrs.
FAILURE CODE:
68 - Noisy
