Removal & Installation
Position the camshaft on the cylinder head, then install the timing chain on the cam timing gear, with the painted links aligned with the marks on the timing gear.
Check the front marks and numbers and torque the camshaft cap bolts, in sequence, to 10 ft. lbs. (13 Nm) for 1ZZ-FE engine, or to 14 ft. lbs. (19 Nm) for 2ZZ-FE Engines.
- Put camshaft No. 2 on the cylinder head, with the painted links of the chain aligned with the mark on the timing gear.
- Tighten the camshaft gear set bolt temporarily.
Check the front marks and numbers and torque the camshaft cap bolts, in sequence, to 10 ft. lbs. (13 Nm). Install the No. 1 bearing cap and tighten to 17 ft. lbs. (23 Nm).
- Hold the camshaft secure with a wrench and tighten the set bolt to 40 ft. lbs. (54 Nm). Be careful not the damage the lifters.
- Check to be sure the matchmarks on the timing chain and cam sprockets, and the alignment of the pulley groove with the timing mark on the cover are still aligned.
Install the chain tensioner:
Make sure the O-ring is clean, then set the hook as shown.
Oil the tensioner, then install and tighten to 80 inch lbs. (9 Nm).
NOTEWhen installing the tensioner, set the hook again if the hook releases the plunger.
- Turn the crankshaft counterclockwise, and disconnect the plunger knock pin from the hook.
- Turn the crankshaft clockwise and check that the slipper is pushed by the plunger. If the plunger does not spring out, press the slipper into the chain tensioner with a screwdriver so that the hook is released from the knock pin and the plunger springs out.
- Make sure the O-ring is clean, then set the hook as shown.
- Check the valve clearance and make adjustments as needed.
Install or connect the following:
Belt tensioner. Tighten the nut to 21 ft. lbs. (29 Nm) and the bolt to 51 ft. lbs. (69 Nm).