Prius L4-1.5L (1NZ-FXE) (Hybrid) (2003)
a. Set the No. 1 cylinder to the TDC/compression (See procedure in step 2).
b. Place matchmarks on the timing chain and camshaft timing sprockets.
c. Remove the 2 plug from the timing chain cover.
d. Using drivers or equipment, while rotating the stopper plate of the tensioner downward, turn the exhaust camshaft right a little and push in the
plunger of the chain tensioner as shown in the illustration.
HINT: When the stopper plate cannot be lowered easily, rotate the exhaust camshaft right and left a little.
e. Insert a bar of a 2 - 3 mm (0.08 - 0.12 inch) into the holes in the stopper plate and tensioner to fix the stopper plate.
HINT:
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At this time, it is easier to fix by installing the bar while rotate the camshaft right and left a little.
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Fix the bar with tape so that the bar does not come off.
f.
Remove the timing chain from the camshaft timing sprocket.
NOTICE:
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Never rotate the crankshaft with the timing chain removed.
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When rotating the camshaft with the timing chain removed, rotate the crankshaft counterclockwise 40° from the TDC and align the oil jet
hole with the paint mark before rotating it.
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When installing the timing chain, make sure to return it to the position of the matchmarks for camshaft and then rotate the crankshaft
clockwise to return.
HINT: When the chain cannot be removed easily, rotate the intake camshaft right and left a little.
g. Hold the hexagonal portion of the camshaft with a wrench, and remove the bolt and valve timing controller assembly with the chain.
NOTICE: Do not disassembled the valve timing controller assembly.
h. Remove the intake and exhaust camshaft assembly.
HINT: When disconnect the timing chain from the camshaft timing sprocket, holding the timing chain.