Highlander 4WD V6-3.3L (3MZ-FE) (2004)
Valve Clearance: Adjustments
VALVE CLEARANCE
ADJUSTMENT
1. DRAIN ENGINE COOLANT
2. REMOVE FR WIPER ARM LH
3. REMOVE FR WIPER ARM RH
4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSY
5. REMOVE WINDSHIELD WIPER LINK ASSY
6. REMOVE COWL PANEL SUB-ASSY
7. REMOVE FRONT FENDER APRON SEAL RH
8. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
9. REMOVE V-BANK COVER SUB-ASSY
10. REMOVE AIR CLEANER CAP SUB-ASSY
11. REMOVE EMISSION CONTROL VALVE SET
12. REMOVE INTAKE AIR SURGE TANK
13. REMOVE RADIATOR HOSE INLET
14. REMOVE IGNITION COIL ASSY
15. REMOVE CYLINDER HEAD COVER SUB-ASSY
16. REMOVE CYLINDER HEAD COVER SUB-ASSY LH
17. INSPECT VALVE CLEARANCE
a. Turn the crankshaft pulley, and align the timing notch with timing mark 0 of the No. 1 timing belt cover.
b. Check that the valve lifters on the No. 1 (IN and EX) are both loose.
If not, turn the crankshaft 1 revolution (360°) and align the mark as above.
c. Check the valves indicated in the illustration on the left.
1. Using a feeler gauge, measure the clearance between the valve lifter and camshaft.
Valve clearance (Cold)