Canada - Engine - Oil Leak From The Timing Cover

Bulletin
2946

Issue Date
December 4, 2007

Market
Canada

Title:
OIL LEAK FROM FRONT TIMING COVER

Component
ENGINE MECHANICAL

Models
'03 - '07 4Runner (1GR-FE)

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:







REQUIRED TOOLS & MATERIAL:







REQUIRED SSTS:

NOTE*:
- Additional SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.

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 Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: 4Runner
- Year: 2003, 2004, or 2005
- Service Category: Engine/Hybrid System
- Section: Engine Mechanical
- Keyword: Timing Chain or Belt Cover Sub-Assy (1GR-FE): Replacement

- Division: Toyota
- Model: 4Runner
- Year: 2006 or 2007
- Service Category: Engine/Hybrid System
- Section: Lubrication
- Keyword: 1GR-FE Lubrication: Oil Pump: Removal
- Keyword: 1GR-FE Lubrication: Oil Pump: Installation

4. Confirm that the repair corrected the condition.

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.