Toyota Venza: Repair

Toyota Venza Service Manual / 1ar-fe Engine Mechanical / Cylinder Head / Repair

REPAIR

PROCEDURE

1. REPAIR INTAKE VALVE SEAT

NOTICE:

Repair the seat while checking the seating position.
Keep the lip free of foreign matter.
Take off the cutter gradually to make the intake valve seat smooth.

(a) Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the specification.

(b) Using 30° and 60° cutters, correct the valve seat so that the valve contacts the entire circumference of the seat. The contact should be in the center of the valve seat, and the valve seat width should be maintained within the specified range around the entire circumference of the seat.

Standard width:

1.0 to 1.4 mm (0.0394 to 0.0551 in.)

(d) Check the valve seating position.

2. REPAIR EXHAUST VALVE SEAT

NOTICE:

Repair the seat while checking the seating position.
Keep the lip free of foreign matter.
Take off the cutter gradually to make the exhaust valve seat smooth.

(a) Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the specification.

(b) Using 30° and 75° cutters, correct the valve seat so that the valve contacts the entire circumference of the seat. The contact should be in the center of the valve seat, and the valve seat width should be maintained within the specified range around the entire circumference of the seat.

Standard width:

1.2 to 1.6 mm (0.0472 to 0.0630 in.)

(d) Check the valve seating position.

Reassembly

REASSEMBLY CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing the cylinder head sub-assembly (See page ). PROCEDURE 1. INSTALL SPARK PLUG TUBE HINT: Wh ...

Cylinder Head Gasket

...

Other materials about Toyota Venza:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET HINT: This is a method where a manifold gauge set is used to help locate the problem. (a) Read the manifold gauge pressure when the following conditions are met: Test ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the navigation system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

Disposal
DISPOSAL CAUTION / NOTICE / HINT CAUTION: Before performing pre-disposal deployment of any SRS part, review and closely follow all applicable environmental and hazardous material regulations. Pre-disposal deployment may be considered hazardous material ...