Engine - Timing Cover/Camshaft Housing OIl Leaks
ENGINEEG001-07
Title:
GR-FSE SERIES ENGINE OIL LEAK
Models
'06 GS 300, IS 250, & IS 350
February 16, 2007
Introduction
Some 2006 model year GS 300, IS 250, and IS 350 vehicles may display evidence of a small oil leak, located on the timing cover and/or the Camshaft Housing Sub-assembly. Please use the repair procedure below to address customer concerns.
Applicable Vehicles
^ 2006 model year GS 300, IS 250, and IS 350 vehicles produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Required Tools & Material
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 SSTs
Repair Procedure
1. Remove the engine assembly.
Refer to the Technical Information System (TIS), 2006 model year GS 300, IS 250, or
IS 350 Repair Manual, Engine/Hybrid System - Engine Mechanical - "3GR/4GR/2GR-FSE (applicable engine) Engine Mechanical: Engine Assembly: Removal".
2. Disassemble the engine to remove the timing cover and replace the RH and LH Camshaft Housing Sub-assemblies.
Refer to TIS, 2006 model year GS 300, IS 250, or IS 350 Repair Manual, Engine/Hybrid System - Engine Mechanical - "3GR/4GR/2GR-FSE (applicable engine) Engine Mechanical: Engine Unit: Disassembly" (steps 1-57 only).
3. Reassemble the engine.
Refer to TIS, 2006 model year GS 300, IS 250, or IS 350 Repair Manual, Engine/Hybrid System - Engine Mechanical - "3GR/4GR/2GR-FSE (applicable engine) Engine Mechanical: Engine Unit: Reassembly" (steps 30-75 only).
NOTE:
Refer to the illustrations below for the new valve cover bolt orientations.
4. Reinstall the engine assembly.
Refer to TIS, 2006 model year GS 300, IS 250, or IS 350 Repair Manual, Engine/Hybrid System - Engine Mechanical - "3GR/4GR/2GR-FSE (applicable engine) Engine Mechanical: Engine Assembly: Installation".