Highlander 2WD L4-2.4L (2AZ-FE) (2001)
Valve Clearance: Adjustments
NOTE: This article contains corrected data processed from TSB# PG001-05.
VALVE CLEARANCE (2AZ-FE) ADJUSTMENT
1. REMOVE FRONT WHEEL RH
2. REMOVE FRONT FENDER SPLASH SHIELD FRONT RH
3. REMOVE FRONT FENDER APRON SEAL RH
4. REMOVE ENGINE COVER SUB-ASSY NO.1
5. REMOVE IGNITION COIL ASSY
6. SEPARATE VENTILATION HOSE
7. SEPARATE VENTILATION HOSE NO.2
8. REMOVE CYLINDER HEAD COVER SUB-ASSY
(a) Remove the bolt and disconnect the engine wire harness clamp.
(b) Remove the 8 bolts, 2 nuts, cylinder head cover and gasket.
9. SET NO.1 CYLINDER TO TDC/COMPRESSION
(a) Turn the crankshaft pulley, and align its groove with the timing mark "0" of the timing chain cover.
(b) Check that the timing marks of the camshaft timing sprockets are aligned with the timing marks of the No.1 bearing cap as shown in the
illustration.
10. INSPECT VALVE CLEARANCE
HINT: Inspect and adjust the valve clearance when the engine is cold.