Brakes - Squeak On Application When Backing Up

BRAKES
BR007-04
REVISED

November 30, 2004

Title:
FRONT BRAKE NOISE

Models:
'04 Scion xA & xB

TSB REVISION NOTICE:
^ November 8, 2005: The anti-squeal shims in the second illustration of the Repair Procedure have been clarified for easier identification. Previous versions of this TSB should be discarded.

Introduction

Some 2004 Scion xA and xB models may experience a brake squeaking noise when backing up and applying the brakes. To reduce this noise, the shape of the brake pad and anti-squeal shims have been changed and an additional amount of anti-squeak grease has been applied during assembly.

Applicable Vehicles
^ 2004 model year Scion xA and xB vehicles produced BEFORE the Production Change Effective VINs shown in the Production Change Information section.





Warranty Information





Production Change Information





Parts Information

Repair Procedure

1. Replace or resurface front disc rotors with the On-Car Brake Lathe according to the applicable Repair Manual to within serviceable limits.





2. Add anti-squeal grease to the inner and outer brake pads in a 40 mm wide by 22.2 mm tall (1.58 in. wide by 0.87 in. tall) square patch centered on the back of each brake pad as shown.

NOTE:
It is necessary to apply the anti-squeal grease to both inner and outer brake pads.





3. Install the anti-squeal shims No. 1 and No. 2 on the brake pads. Do NOT wipe off grease if it overflows from the slit in the anti-squeal shims.

4. Install the front disc brake pads and the front anti-squeal kit assembly on the vehicle.

5. Perform road test.