Clunk/thunk noise from the rear of the vehicle or a ?bump-from-behind? sensation just before a stop or...

Bulletin number

T-SB-0040-12 Rev

Component

Back over prevention

Summary

TSB: Some 4WD equipped 2010 ? 2013 model year SR5 and Trail grade 4Runner vehicles 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. Follow the Repair Procedure in this bulletin to improve this condition.

Owners of these vehicles have filed 10 complaints in the driver assistance category.