With Toyota tool No 09248-55020

When the No 4 piston is at TDC on the compression stroke, the valve clearances for the No 2 and No 4 exhaust valves and the No 3 and No 4 intake valves can be checked

Non-VVT-i engines

Every 95 000 km or 6 years

Every 90 000 km or 6 years VVT-i models -

Non-VVT-i models -

Valve clearance check and adjustment

Note: The following procedure requires theuse of a special tool (Toyota No 09248-55020) which compresses the cam follower a little to enable the removal of the adjustment shim. Without the tool, it will be necessary to remove the camshaft(s) as described in Chapter 2A.

1 Remove the cylinder head cover as described in Chapter 2A..

2 Remove the spark plugs (see Section 20).

3 Refer to Chapter 2A and position the number 1 piston at TDC on the compression stroke.

4 Measure the clearances of the indicated valves with feeler gauges (see illustrations). Record the measurements for those which are out of specification. They will be used later to determine the required shims.

5 Turn the crankshaft one complete revolution and realign the crankshaft timing marks. Measure the remaining valves (see illustration).

6 After all the valves have been measured, turn the crankshaft pulley until the camshaft lobe above the first valve which you intend to adjust is pointing upward, away from the shim.

7 Position the notch in the cam follower toward the spark plug. Then depress the cam follower with the Toyota special tools (see note at the start of this Section) (see illustration). Place the special cam follower tool in position as shown, with the longer jaw of the tool gripping the lower edge of the cast follower boss and the upper, shorter jaw gripping the upper edge of the follower itself. Depress the cam follower

Дата добавления: 2014-12-23