Engine - Brief Knock/Rattle On Cold Start-Up: Overview
L-SB-0157-08October 30, 2008
Brief Engine Knock/Rattle Noise at Cold Startup
Service Category
Engine/Hybrid System
Section
Engine Mechanical
Market
USA
Applicability
TSIB SUPERSESSION NOTICE
The information contained in this TSIB supersedes TSIB No. EG020-07.
^ Applicability has been updated to include 2008 model year vehicles.
^ VINs have been updated in the Production Change Information table.
^ The OFPs have been updated in the Warranty Information table.
^ Part numbers for the Camshaft Timing Gear Assembly have been updated in the Parts Information table.
TSIB No. EG020-07 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.
Introduction
Immediately following a cold soak startup some 2007 - 2008 model year GS 350 vehicles may exhibit a brief rattle/knock noise from the engine compartment for approximately one second. Refer to the repair procedure below to address customer concerns.
Production Change Information
This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Lexus Powertrain Warranty. This warranty is in effect for 72 months or 70,000 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
Required Tools & Equipment
Additional TIS Techstream units may be ordered by calling Approved Dealer Equipment (ADE).