Oil Leak from Front Timing Cover – 2003-2007 Toyota 4Runner

EG049-07

 

OIL LEAK FROM FRONT TIMING COVER

 

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.

 

Production Change Information

MODEL	PLANT	DRIVETRAIN	PRODUCTION CHANGE EFFECTIVE VIN
4Runner	Hino	2WD	JTEZU17R#68064608
			JTEZU14R#78076191
		4WD	JTEBU14R#78078323
			JTEBU14R#78090468
	Tahara	2WD	JTEZU14R#70091230
		4WD	JTEBU14R#70117349

 

Required Tools & Equipment

TOOLS & MATERIAL	QUANTITY
FIPG Sealant: Three Bond 1282B  or Equivalent	As Needed
FIPG Sealant: Three Bond 1207B  or Equivalent	As Needed
ILSAC GF-4 Multi-grade SAE 5W–30	6.3 U.S. qts. (6.0 liters)
Super Long Life Coolant (SLLC)	Automatic Transmission: 10.4 U.S. qts. (9.8 liters)

 

SPECIAL SERVICE TOOLS (SSTs)		PART NUMBER	QTY
Oil Filter Wrench		09228-07501	1
Companion Flange Holding Tool NOTE: All components from this kit/set are required.		09330-00021	1
Drive Shaft Remover Attachment		09520-01010-02	1
Ball Joint Puller		09628-62011-01	1
Universal Puller Set “C”		09950-50013-01	1
COMPONENT(S) OF KIT/SET	The following components from this kit/set are required: Hanger 150 (P/N 09951-05010) Slide Arm (qty. 2) (P/N 09952-05010) Center Bolt 150 (P/N 09953-05020) Claw No. 3 (P/N 09954-05030)
Crankshaft	Pulley Holding Tool*	09213-54015-01	1
COMPONENT(S) OF KIT/SET	The following component from this kit/set is required: S Bolt (P/N 91651-60855-01)
Differential Side Gear Shaft Tool		09520-24010	1
Gasket Seal Cutter		09032-00100	1
Union Nut Wrench 17 mm		09023-12701	1

 

Repair Procedure

1. Inspect the location where the Bank 1 cylinder head, engine block, and timing Procedure cover meet for signs of an oil leak.
2. Use an oil dye to confirm the source of the oil leak.

 

2. 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”

3. Confirm that the repair corrected the condition.