Engine - Oil Leak From The Timing Cover
ENGINEEG049-07
Title:
OIL LEAK FROM FRONT TIMING COVER
Models:
'03 - '07 4Runner (1GR-FE)
December 5, 2007
Introduction
Some 2003 - 2007 model year 4Runner vehicles with 1GR-FE engines may display evidence of a small oil leak located where the Bank 1 cylinder head, engine block, and timing cover meet. Use the following repair procedure to address this condition.
Applicable Vehicles
^ 2003 - 2007 model year 4Runner vehicles equipped with the 1GR-FE engine and produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Warranty Information
Applicable Warranty*:
This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 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.
Required Tools & Equipment
Repair Procedure
1. Inspect the location where the Bank 1 cylinder head, engine block, and timing cover meet for signs of an oil leak.
2. Use an oil dye to confirm the source of the oil leak.
3. Remove and reseal the timing cover if confirmed leaking. Refer to the Technical Information System (TIS): 2003, 2004, or 2005 model year 4Runner Repair Manual, Engine/Hybrid System - Engine Mechanical - "Timing Chain or Belt Cover Sub-Assy (1GR-FE): Replacement"
^ 2006 or 2007 model year 4Runner Repair Manual:
^ Engine/Hybrid System - Lubrication - "1GR-FE Lubrication: Oil Pump: Removal"
^ Engine/Hybrid System - Lubrication - "1GR-FE Lubrication: Oil Pump: Installation"
4. Confirm that the repair corrected the condition.