Canada - Brakes - Squeak Noise When Pressing/Releasing Pedal

Bulletin
TSB2725

Issue Date
February 26, 2007

Market
Canada

Title
BRAKE ACTUATOR NOISE

Component
BRAKES

Models
'04 - '07 Prius

INTRODUCTION:

Some 2004--2007 model year Prius vehicles may exhibit a squeak--type noise when pressing or releasing the brake pedal. This noise may only be audible when the vehicle is in "READY" mode and the vehicle is not moving. Brake system performance is not affected by this noise. Use the following procedures to address this concern.

APPLICABLE VEHICLES:
- 2004 - 2007 model year Prius vehicles.






PARTS INFORMATION:






WARRANTY INFORMATION:






REQUIRED SSTs:

NOTE:
Additional Diagnostic Tester Kits, CAN Interface Modules, Program Cards, or other SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.

REPAIR PROCEDURE:

Confirm noise condition by pressing/releasing the brake pedal.

Bleed the brake system:

Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: Prius
- Year: 2004 or 2005
- Service Category: Brake
- Section: Brake System
- Keyword: Brake Fluid: Bleeding

Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: Prius
- Year: 2006 or 2007
- Service Category: Brake
- Section: System
- Keyword: Brake: Brake Fluid: Bleeding

If the noise is NO longer present when pressing/releasing the brake pedal, the repair is complete.

If the noise is still present, go to step 3.

Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: Prius
- Year: 2004 or 2005
- Service Category: Brake
- Section: Brake Control/Dynamic Control System
- Keyword: Brake Actuator ASSY: Replacement

Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: Prius
- Year: 2006 or 2007
- Service Category: Brake
- Section: Brake Control/Dynamic Control System
- Keyword: Brake Control: Brake Actuator: Replacement

Road test the vehicle to confirm the condition is NO longer present.