Pacifica V6-3.8L VIN L (2005)
Wheel Hub: All Technical Service Bulletins
Drivetrain - Clicking/Popping From Front Hub/Half Shaft
NUMBER: 03-002-06
GROUP: Axle and Propshafts
DATE: August 31, 2006
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 03-001-03 REV. A, DATED SEPTEMBER 19, 2003, WHICH SHOULD BE
REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES ADDITIONAL YEARS,
REVISED NOTES, DIAGNOSIS, PARTS, AND REPAIR PROCEDURE.
SUBJECT:
Front Hub/Half Shaft Click/Pop Sound
OVERVIEW:
This bulletin involves installing a rubber gasket to the face of the half shaft that mounts to the hub bearing.
MODELS:
2004 - **2006**
(CS) Pacifica
NOTE:
**Every time the front half shafts are serviced, the rubber gasket must be replaced.**
SYMPTOM/CONDITION:
Vehicle may exhibit a popping/clicking/snapping/ticking sound from the front hub/half shaft area during acceleration after Drive to Reverse or Reverse
to Driving shifts. The sound may also be present while turning and accelerating from a stop.
DIAGNOSIS:
In order to determine if the popping/clicking/snapping/ticking sound is coming from the front hub/half shaft interface, perform the following procedure:
1.
Remove the cotter pin, nut lock, and wave washer from the end of both front half shafts.
2.
With the vehicle's brakes applied to keep the hub from turning, loosen both half shaft nuts to zero torque.
3.
With the service brake applied, shift the vehicle from Drive to Reverse and Reverse to Drive. Once the transmission is engaged in gear, raise the
engine speed to 1800 rpm.
4.
If the sound is not present, perform the Repair Procedure. If the sound is still present, **DO NOT replace the half shafts or hub bearings** the
source of the sound is elsewhere. Further diagnosis is required.
PARTS REQUIRED:
REPAIR PROCEDURE:
1.
Raise the vehicle.
2.
Remove the half shaft nut.
3.
Remove the wheel and tire assembly from the vehicle. **Refer to the detailed service information available in TechCONNECT under: Service
Info > 22-Tires/Wheels > Removal.**