Suspension - Rattle Knock From rear Suspension

L-SB-0058-09

Rev1

May 13, 2009

Rear Strut Supports - Rattle/Knock Noise

Service Category
Suspension

Section
Rear Suspension

Market
USA





Applicability

TSB REVISION NOTICE

^ June 15, 2009 Rev1:

^ Production Change Information with VIN breaks has been added.

^ The Note in step I of the Repair Procedure has been updated.

Any previous printed versions of this service bulletin should be discarded.

Introduction

Some customers may experience a rattle or knock noise from the rear suspension. This concern is most common for customers who frequently drive on rough roads. Follow the repair procedure in this bulletin to address customer concerns.

Production Change Information





This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.





Required Tools & Equipment

NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.





Warranty Information

APPLICABLE INFORMATION

^ This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.

^ Warranty application is limited to correction of a problem based upon a customer's specific complaint.





Parts Information

Repair Procedure

1. Conduct a road test to verify the noise.

NOTE
The rear package tray trim panel assembly may need to be removed to isolate the noise.

2. Replace the rear strut supports.

Refer to the Technical Information System (TIS) applicable model year LS 460 Repair Manual:

^ 2007 / 2008 / 2009 LS 460:
Suspension - Rear Suspension - "Suspension: Rear Shock Absorber: Removal"

^ 2007 / 2008 / 2009 LS 460:
Suspension - Rear Suspension - "Suspension: Rear Shock Absorber:
Disassembly"

^ 2007 / 2008 / 2009 LS 460:
Suspension - Rear Suspension - "Suspension: Rear Shock Absorber:
Reassembly"

^ 2007 / 2008 LS 460:
Suspension - Rear Suspension - "Suspension: Rear Shock Absorber:
Installation"

3. Inspect alignment and adjust as necessary.

4. Road test the vehicle to confirm the rattle/knock noise is no longer present.