Canada - M/T - Clutch Slipping In Forward Gears And Reverse

Bulletin
T-TCI-3657

Issue Date
December 21, 2011

Market
Canada

Title
5-SPEED MANUAL TRANSMISSION CLUTCH DIFFICULT ENGAGING

Service Category
Drivetrain

Section
Clutch

Market
Canada






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:

NOTE
Additional SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.







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 ETAS / TIS Library, applicable model year Repair Manual:

- 2005 Tacoma:
Drivetrain - Manual Transmission/Transaxle - "Manual Transmission Unit Assy (R155) / (R155F): Replacement"

- 2006 - 2011 Tacoma:
Drivetrain - Manual Transmission/Transaxle - "R155/R155F Manual Transmission: Manual Transmission: Assembly: Removal"

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 ETAS/TIS Library, applicable model year Repair Manual:

- 2005 Tacoma:
Drivetrain - Clutch - "Clutch Unit (R155 / R155F): Overhaul": Replacement"

- 2006 - 2011 Tacoma:
Drivetrain - Clutch - "Clutch: Clutch Unit (for R155) / (for R155F): Removal"







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 ETAS / TIS Library, applicable model year Repair Manual:

- 2005 Tacoma:
- Drivetrain - Clutch - "Clutch Unit (R155 / R155F): Overhaul"
- Engine/Hybrid System - Engine Mechanical - "Engine Rear Oil Seal (2TR-FE): Replacement"

- 2006 - 2011 Tacoma:
- Drivetrain - Clutch - "Clutch: Clutch Unit (for R155) / (for R155F): Installation"

- 2006 - 2009 Tacoma:
- Engine/Hybrid System - Engine Mechanical - "2TR-FE Engine Mechanical: Engine Rear Oil Seal: Removal / Installation"

- 2010 - 2011 Tacoma:
- Engine/Hybrid System - Engine Mechanical - "2TR-FE Engine Mechanical: Rear Crankshaft Oil Seal: Removal / Installation"

7. Reinstall the manual transmission assembly.

Refer to ETAS / TIS Library, applicable model year Repair Manual:

- 2005 Tacoma:
- Drivetrain - Manual Transmission/Transaxle - "Manual Transmission Unit Assy (R155 / R155F): Replacement"

- 2006 - 2011 Tacoma:
- Drivetrain - Manual Transmission/Transaxle - "R155 / R155F Manual Transmission: Manual Transmission Assembly: Installation"

- 2005 Tacoma:
- Drivetrain - Clutch - "Clutch Pedal Sub-Assy: Replacement"

- 2006 - 2011 Tacoma:
- Drivetrain - Clutch - "Clutch: Clutch Pedal: Removal / Installation"

8. Test drive the vehicle and confirm normal 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.