Canada - Brakes - Brake Vibration
BulletinTSB2652
Issue Date
July 15, 2009
Title
BRAKE VIBRATION
Component
BRAKES
Models
'07-'09 ES350
INTRODUCTION:
Some 2007 - 2009 ES350 vehicles may exhibit a vibration or pulsation condition when braking. New front brake pad kits are available to reduce the possibility of front brake vibration. Follow the repair procedure below.
APPLICABILITY:
WARRANTY INFORMATION:
PARTS INFORMATION:
REPAIR PROCEDURE:
1. Machine both front rotors preferably with an on-car lathe to minimize rotor run-out. Make sure that the rotors are within minimum thickness. After machining, the maximum allowed rotor runout is 0.05 mm (0.002 inch). If the rotors are unserviceable or below minimum thickness, replace the rotors.
For complete inspection procedures refer to the Technical Information System (TIS), applicable model year Repair Manual for thickness and runout specifications and measurement instructions.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: ES350
- Year: 2007/2008/2009
- Service Category: Brake
- Section: Brake Control/Dynamic Control System
- Keyword: Front Brake: Inspection
2. Replace the front brake pads with the improved kit. Visually inspect the shims for heat discoloration. If discolored, replace the shims.
3. Remove the rear pads and check the pad material code on the lower left corner of the pad backing plate (see figure 1).
- If the code is D6247-FF, do not replace the rear brake pads.
- If the code is NOT D6247-FF, replace the rear brake pads
4. Road test the vehicle to confirm proper operation.
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.