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Brakes - Pedal Pulsation/Vibration Felt When Braking

NUMBER: 05-002-11

GROUP: Brakes

DATE: February 11, 2011

THIS BULLETIN SUPERSEDES SERVICE BULLETIN 05-004-10, DATED NOVEMBER 17, 2010, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE MARKETS AFFECTED.

SUBJECT:
Brake Pedal Pulsation, Steering Wheel Shake And/Or Floor Pan Vibration When Braking

OVERVIEW:
This bulletin involves measuring the thickness variation of the rear rotors to determine if it's necessary to replace or resurface the front rotors only or to replace or resurface both the front and rear brake rotors.

MODELS:

2010 (JC) Journey

NOTE:
**This bulletin applies to vehicles sold in U.S., Canada and Mexico (sales code YAA, YCC and YAD) markets only.**

SYMPTOM/CONDITION:

Brake pedal pulsation, steering wheel shake and/or floor pan vibration when braking

DIAGNOSIS:

If the symptom/condition is experienced proceed to the repair procedure.





PARTS REQUIRED:





SPECIAL TOOLS/EQUIPMENT REQUIRED:

REPAIR PROCEDURE:

1. Raise the vehicle on a suitable hoist. Refer to the detailed service procedures available in DealerCONNECT > TechCONNECT under: Service Info > 04-Vehicle Quick Reference > Hoisting > Standard Procedure > Hoisting.

2. Measure rotor thickness variation of rear brake rotors (Fig. 1) number 2 at 12 equal points around the rotor braking surface with a micrometer (Fig. 1) number 1 at a radius approximately 25 mm (1 inch) from edge of rotor.





3. Was the thickness variation of the rear rotor less than .025mm (0.001 inches)?

a. Yes >>> Proceed to Step # 4.

b. No >>> Proceed to Step # 11.

4. Do you have an approved PSE on-car brake lathe?

a. Yes >>> Proceed to Step # 8.

b. No >>> Proceed to Step # 5.

5. Remove and replace the front brake rotors. Refer to the detailed removal/installation procedures available in DealerCONNECT > TechCONNECT under: Service Info > 05-Brakes > Brakes, Base > Hydraulic/Mechanical > ROTOR, Brake > Removal/Installation > Front.

6. Drive vehicle to confirm condition has been corrected. If the vehicle continues to exhibit the symptom/condition remove and replace the rear rotors. Service Info> 05- Brakes> Brakes, Base> Hydraulic/Mechanical> ROTOR, Brake> Removal/Installation> Rear.

7. Return the vehicle to the customer.

8. Using a PSE approved on-vehicle brake lathe, lightly resurface both front rotors.

NOTE:
Follow all resurfacing directions and procedures associated with the equipment used.

9. Drive vehicle to confirm condition has been corrected. If the vehicle continues to exhibit the symptom/condition lightly resurface the rear rotors

10. Return the vehicle to the customer.

11. Do you have an approved PSE on-car brake lathe?

a. Yes >>> Proceed to Step # 15.

b. No >>> Proceed to Step # 12.

12. Remove both front and rear rotors. Refer to the detailed removal procedures available in DealerCONNECT > TechCONNECT under: Service Info > 05-Brakes > Brakes, Base > Hydraulic/Mechanical > ROTOR, Brake> Removal > Front/Rear.

13. Install new front p/n 04779783AA and rear 04721996AA rotors. Refer to the detailed installation procedures available in DealerCONNECT > TechCONNECT under: Service Info> 05-Brakes > Brakes, Base > Hydraulic/Mechanical > ROTOR, Brake > Installation > Front/Rear.

14. Return the vehicle to the customer.

15. Using a PSE approved on-vehicle brake lathe, lightly resurface both front and rear rotors.

NOTE:
Follow all resurfacing directions and procedures associated with the equipment used.

16. Return the vehicle to the customer.

POLICY:
Reimbursable within the provisions of the warranty.





TIME ALLOWANCE:





FAILURE CODE:

Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.