M/T - Clutch Slipping In Forward Gears And Reverse
T-SB-0066-11June 28, 2011
5-Speed Manual Transmission Clutch Difficult Engaging
Service Category
Drivetrain
Section
Clutch
Market
USA
Applicability
Introduction
Some 2005 - 2011 model year Tacoma vehicles equipped with a 5-speed manual transmission may exhibit a slipping feeling in all forward gears and reverse. Replacement of the clutch disk clutch cover flywheel and clutch pedal turnover spring is required to repair the vehicle. Follow the repair procedure in this bulletin to address this condition.
Warranty Information
Parts Information
Required Tools & Equipment
Repair Procedure
1. Confirm the condition described in the Introduction.
Place the vehicle in every gear position (forward and reverse) and attempt to move the vehicle. Does the vehicle move?
^ YES - This TSB does NOT apply. Continue diagnosis using the applicable Repair Manual.
^ NO - Go to step 2.
2. Remove the manual transmission assembly to inspect the clutch disk and clutch cover.
Refer to the Technical Information System (TIS) applicable model year Repair Manual:
3. Does the clutch cover appear damaged such as broken or excessively scored diaphragm spring fingers?
^ YES - This TSB does NOT apply. Continue diagnosis using the applicable Repair Manual.
^ NO - Go to step 4.
4. Remove the clutch cover and clutch disk assembly.
Refer to TIS applicable model year Repair Manual:
5. Inspect the clutch disk friction surface.
Does the clutch disk friction material display damage such as missing or tearing of friction material on one or both sides of the clutch disk? See Figure 1.
^ YES - Go to step 6.
^ NO - This TSB does NOT apply. Continue diagnosis using the applicable Repair Manual.
6. Replace the clutch disk clutch cover flywheel and clutch pedal turnover spring.
Refer to TIS applicable model year Repair Manual:
7. Reinstall the manual transmission assembly.
Refer to TIS applicable model year Repair Manual:
8. Test drive the vehicle and confirm normal operation.