Engine - Oil Leak From Bank One Oil Feed Line
ENGINEEG063-05
December 23, 2005
Title:
ENGINE OIL DRIP: BANK 1 VVTi OIL LINE
Models:
2005 Avalon
INTRODUCTION
Some 2005 model year Avalon vehicles may experience a small/slow oil drip from the bank 1 VVTi oil supply line on the front of the engine. The oil pipe has been improved to prevent this condition.
APPLICABLE VEHICLES
2005 model year Avalon vehicles produced BEFORE the Production Change Effective VIN shown.
PRODUCTION CHANGE INFORMATION
PARTS 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.
REPAIR PROCEDURE
1. Confirm that the source of the oil drip is from the oil pipe sub--assembly for bank 1 VVTi in the area indicated in the illustration.
NOTE:
The oil drip is occurring under timing gear cover No. 2 where the rubber hose connects to the metal pipe, with some oil held in the insulating foam.
2. If the pipe/hose connection is NOT leaking, continue leak source identification using a leak identification marking dye.
3. If the oil pipe sub--assembly on bank 1 of the engine is leaking, replace the oil pipe.
A. Remove timing gear cover No. 2.
B. Remove oil pipe.
a. Remove the bolt (A).
b. Remove the 2 oil pipe unions and the oil pipe.
c. Remove the oil control valve filter and gaskets.
C. Install oil pipe.
a. Make sure that there is no foreign matter on the mesh of the oil control valve filter.
b. Install the oil control valve filter to the oil pipe union.
c. Install 2 new gaskets and install the oil pipe (on the head cover side) with the oil pipe union.
NOTE:
Remove any oil from the contact surface.
d. Install a new gasket and install the oil pipe (on the cylinder head side) with the oil pipe union.
NOTE:
Remove any oil from the contact surface.
e. Install the bolt (A) to the timing gear cover
Torque: 10 N*m (102 kgf*cm, 7 ft*lbf)
f. Tighten the oil pipe union (on the head cover side).
Torque: 65 N*m (663 kgf*cm, 48 ft*lbf)
g. Tighten the oil pipe union (on the cylinder head side).
Torque: 65 N*m (663 kgf*cm, 48 ft*lbf)
4. Install new timing gear cover No. 2.
5. Confirm that engine oil level is correct.