Remove Cylinder Head Covers; Set No.1 Cylinder To Tdc/Compression; Adjust Valve Clearance - Toyota 3VZ–FE Troubleshooting Manual

EG–16
ENGINE TROUBLESHOOTING
18. DISCONNECT HIGH–TENSION CORDS FROM SPARK

19. REMOVE CYLINDER HEAD COVERS

20. SET NO.1 CYLINDER TO TDC/COMPRESSION

(a) Turn the crankshaft pulley, and align its groove with the timing
(b) Check that the valve lifters on the No.1 (IN) are loose and

21. ADJUST VALVE CLEARANCE

(a) Check only those valves indicated in the illustration.
(b) Turn the crankshaft 2/3 of a revolution (2405), and check only
– ENGINE MECHANICAL
PLUGS
Remove the six nuts, seal washers, cylinder head cover and
gasket. Remove the two cylinder head covers.
mark "0" of the No.1 timing belt cover.
valve lifters on the on the No.1 (EX) are tight.
If not, turn the crankshaft one revolution (360 ) and align the
mark as above.
Using a thickness gauge, measure the clearance between
the valve lifter and camshaft.
Record out of specification valve clearance measurements.
They will be used later to determine the required
replacement adjusting shim.
Valve clearance (Cold):
Intake
0.13–0.23 mm (0.005–0.009 in.)
Exhaust
0.27–0.37 mm (0.011–0.015 in.)
the valves indicated in the illustration.
Measure the valve clearance.
(See procedure step (a))