WenmarOpen by Wenmar Pro

Service bulletin T-SB-0006-18

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10131723
Published by NHTSA2018-04-02
Manufacturer's numberT-SB-0006-18
Manufacturer's date2018-01-19
NHTSA componentSUSPENSION

NHTSA's summary

TSB: Some 2016 - 2018 model year 4Runner vehicles equipped with the TRD Pro suspension kit may exhibit a tight clearance or contact condition between the LH rear shock absorber remote reservoir and the inner wheelhouse body panel. A ?knock? or ?clunk? noise may be heard from the LH rear of the vehicle over bumps. Follow the Repair Procedure in this bulletin to address this condition.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension

Vehicles listed
TOYOTA 4RUNNER2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
19V6700002019-09-20. SUSPENSION; STEERING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
T-SB-0074-19_Rev2020-04-13. Service bulletin. TSB: Some 2014 ? 2019 model year 4Runner vehicles may exhibit a whine/groan noise from the rear of the vehicle. This condition may occur while driving at approximately 40 ? 60 mph at a consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body. Follow the Repair Procedure in this bulletin to improve this condition
T-SB-0074-192019-09-03. Service bulletin. TSB: Some 2014 ? 2019 model year 4Runner vehicles may exhibit a whine or groan noise from the rear of the vehicle. This condition may occur while driving around 40 ? 60 mph at a consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body. Follow the Repair Procedure in this bulletin to improve this condition.
T-SB-0054-162018-04-23. Service bulletin. TSB: Some 2015 - 2016 model year TRD Pro Edition 4Runners may exhibit an abnormal clunk type noise when driving at low speeds over certain road surfaces. The condition may also be more evident in colder climates. The TRD Pro Shock Absorber has been updated to prevent this noise from occurring. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0054-162017-05-22. Service bulletin. TSB: SOME 2015 – 2016 MODEL YEAR TRD PRO EDITION 4RUNNERS MAY EXHIBIT AN ABNORMAL CLUNK TYPE NOISE WHEN DRIVING AT LOW SPEEDS OVER CERTAIN ROAD SURFACES. THE CONDITION MAY ALSO BE MORE EVIDENT IN COLDER CLIMATES. THE TRD PRO SHOCK ABSORBER HAS BEEN UPDATED TO PREVENT THIS NOISE FROM OCCURRING. FOLLOW THE REPAIR PROCEDURE IN THIS BULLETIN TO ADDRESS THIS CONDITION.