Canada - Brakes - Rattle/Buzz From Driver's Side Of Dash

Bulletin
3217

Issue Date
August 11, 2009

Market
Canada

Title:
BRAKE BOOSTER RATTLE/BUZZ NOISE

Component
BRAKES

Models
'05-'10 Avalon; '07-'10 Camry; '08-'09 Highlander; '06-'09 RAV4; '04-'10 Sienna

INTRODUCTION:
Some Toyota vehicles may exhibit a rattle or buzz type noise coming from the driver's side instrument panel area. The noise can be duplicated when lightly accelerating and then decelerating, or when depressing the brake pedal with the shift lever in Park and then releasing the brake pedal.
An updated vacuum check valve is now available to reduce this noise.







APPLICABILITY:







WARRANTY INFORMATION:







PARTS INFORMATION:

REPAIR PROCEDURE:







1. Confirm the noise is coming from the brake booster vacuum check valve.
2. Remove the vacuum tube clip from the brake booster check valve and disconnect tube.
3. Remove and replace the brake booster vacuum check valve.

NOTE
Make sure NEW valve is fully seated into brake booster grommet and returned to original condition.

4. Reconnect vacuum tube to the brake booster check valve and secure with clip.
5. Confirm no vacuum leaks.
6. Confirm the noise has been eliminated.

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.