Canada - M/T - Clutch Chirping Noise In Neutral

Bulletin
0608

Issue Date
2002-08-26

Market
Canada

Reference
MT-03-001

Model
IS300

Year Range
2003, 2002

Component
MT

Subject:
CLUTCH CHIRPING NOISE IN NEUTRAL WITH CLUTCH PEDAL RELEASED

Some 2002 - 2003 model year IS 300 vehicles equipped with manual transmissions may emit a cyclic high pitched noise ("chirp") when the transmission is in neutral, the engine is idling and the clutch pedal is not depressed. The noise is eliminated when clutch pedal is depressed a small amount. A revised clutch release cylinder assembly has been developed to eliminate the noise.

APPLICABLE VEHICLES:
2002 - 2003 model year IS 300 vehicles equipped with manual transmission produced BEFORE the Production Change Effective VIN shown below.







PRODUCTION CHANGE INFORMATION:







PARTS INFORMATION:

REPAIR PROCEDURE:
1. Confirm cyclic chirp noise only occurs when clutch pedal is not depressed and transmission is in neutral. If clutch pedal is lightly depressed 1/4" to 1/2" noise should end. If noise does not end refer to ETAS Repair Manual for IS 300 - Manual Transmission and Clutch diagnosis.
2. Refer to ETAS Repair Manual for IS 300; Clutch, Clutch Release Cylinder to remove and replace Clutch Release Cylinder assembly.
3. Bleed the clutch system and confirm that the clutch pedal operation is within specifications.
4. Confirm proper operation of clutch system.
5. Confirm cyclic chirp noise is eliminated.







REPAIR TIME:

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.