Drivetrain - Rear Driveshaft Clunk/Thunk Noise

T-SB-0016-13

February 1, 2013

4WD Rear Propeller Shaft (Driveshaft) Clunk/Thunk Noise

Service Category
Drivetrain

Section
Drive Shaft/Propeller Shaft

Market
USA





Applicability

Introduction

Some 4WD 2005 - 2012 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a "bump-from-behind" sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft) to reduce this condition. Utilize the following repair procedure to address this condition.





Warranty Information





Parts Information

Repair Procedure

1. Confirm that the condition is the rear propeller shaft (driveshaft) clunk/thunk noise.

A. Test drive the vehicle and confirm the condition.

B. Place the transfer case in 4WD High. Remove the rear propeller shaft (driveshaft) and test drive the vehicle.





Refer to the Technical Information System (TIS) applicable model year Repair Manual:

C. Is the clunk/thunk noise eliminated when coming to a stop and/or when accelerating from a stop?

^ YES - Replace the rear propeller shaft (driveshaft) assembly. Go to step 2.

^ NO - This bulletin does NOT apply. Continue diagnosis to isolate the cause of the condition.

2. Install the NEW propeller shaft (driveshaft) assembly. Refer to TIS applicable model year Repair Manual:

NOTE

Re-use the spacers provided under the center support bearing to ensure the proper alignment of the center support bearing.

3. Test drive and confirm that NO abnormal vibrations or shudders occur while driving and that the propeller shaft (driveshaft) clunk/thunk noise is eliminated.

© 2013 Toyota Motor Sales, USA