Backing up is a squeaky move

Redesigned parts correct the condition

By: Tom Purser and Jeff Webster

Figure 1

SUBJECT VEHICLE: 2003-2007 Toyota Corolla and Matrix.

COMPLAINT: Front brake squeak noise when the car is traveling in reverse at low speeds.

CAUSE/SOLUTION: OE brake components may vibrate at a high pitch in reverse gear. Redesigned front disc brake cylinder (caliper) mountings and disc brake pad support plates are available to correct the condition.

Some Toyota Corolla or Matrix drivers may experience front brake squeak noise when the car is traveling in reverse at low speeds.

Updated front disc brake cylinder (caliper) mountings and disc brake pad support plates are available to improve this condition.

Repair procedure

1. Conduct a road test to verify the noise condition usually occurs when backing out of a parking space and/or turning in reverse.

2. Remove and replace the front disc brake pad support plate (two per each caliper, see art).

NOTE:

• Use the same procedures for the RH side and LH side.

• The procedures listed below are for one side.
    
A. Remove the front wheel.

B. Remove the caliper by holding the front disc brake slide pin and removing the two bolts.

C. Remove the two front brake pads from the front disc brake cylinder mounting.

D. Remove the anti-squeal shims and the pad wear indicator plates from each pad.

E. Remove the two front disc brake pad support plates from the cylinder mounting.

F. Remove the front disc brake cylinder mounting plate by removing the two bolts.

G. Install the new disc brake cylinder mounting plate with the two bolts. Torque: 79 ft.-lb. (107 Nm).

H. Install the two new disc brake pad support plates. Apply disc brake grease to the back of the brake pad support plate.

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Related Topics: Brakes, NVH, Toyota Corolla, Toyota Matrix

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