Brakes - Brake Judder After Service

Classification:
BR06-010

Reference:
ITB06-021

Date:
November 6, 2006

2004-2005 QX56; BRAKE JUDDER AFTER SERVICE

APPLIED VEHICLE(S):
2004-2005 QX56 (JA60)

APPLIED VIN(S):
Vehicles built before: 5N3AA08(**)5N809659

APPLIED DATE:
Vehicles built before: April 23, 2005

NOTE:
This bulletin applies to any vehicle that has already had bulletin ITB04-026e QX56: Brake Judder performed.

IF YOU CONFIRM:

While braking, especially when braking at highway speeds:

^ Steering wheel shakes.

^ Body vibrates, or

^ Brake Pedal pulsates (also known as "Brake Judder")

IMPORTANT NOTES:

^ If incident occurs when cruising or coasting (not braking) it is not brake judder, and may be tire/wheel related. Refer to the ESM for further diagnostic assistance.

^ Do Not Confuse "brake judder" with the rapid consistent-speed pedal pulsation that may be felt and only occurs when ABS is activated during hard braking, or on slippery road surfaces. In contrast, the pedal pulsation of brake judder" may occur with light to moderate braking experienced during normal driving conditions, and the pulsation rate will vary (faster or slower) with vehicle speed.

ACTIONS

Check the vehicle repair history to determine if bulletin ITB04-026e, 2004 - 2005 QX56; Brake Judder has been previously performed on the vehicle.

If ITB04-026e 2004 - 2005 QX56; Brake Judder has already been done:

^ ITB04-026e no longer applies. Do not apply the bulletin a second time to any vehicle claim will be denied (will not pay). The bulletin only applies once per vehicle.

^ Do not use the Op Codes referenced in ITB04-026e. Those codes only apply once per vehicle. If used, the claim will be rejected (will not pay).

^ Refer to the Front Brake Section in the Service Manual (ESM) for proper diagnosis and repair procedures. Use the appropriate warranty operations found in the Warranty Flat Rate Manual.





Disclaimer