Highlander 4WD V6-3.3L (3MZ-FE) (2004)
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NOTICE: Do not reinstall the tensioner with its plunger extended.
e. Remove the timing belt in this order.
20. INSPECT TIMING BELT
NOTICE:
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Do not bend, twist or turn the timing belt inside out.
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Do not allow the timing belt to come into contact with oil, water or steam.
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Do not utilize timing belt tension when instating the mounting bolt of the camshaft timing pulley.
Check the belt for any defects, as shown in the installation. Also, check these points.
a. If there is premature parting:
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Check for proper installation.
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Check the timing cover gasket for no damage and proper installation.
b. If the belt teeth are cracked or damaged, check to see if either camshaft is locked.
c. If there is noticeable wear or cracks on the belt face, check to see if there are nicks on the side of the idler pulley lock and water pump.
d. If there is wear or damage on only one side of the belt, check the belt guide and the alignment of each pulley.
e. If there is noticeable wear on the belt teeth:
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Check the timing cover for damage.
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Check that the gasket has been installed correctly.
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Check for foreign object on the pulley teeth.
If there is any doubt about the belt condition, replace the timing belt.
21. INSTALL TIMING BELT
a. Remove any oil or water on the pulleys, and keep them clean.
NOTICE:
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If there is a trace of water and/or oil on the timing belt, repair the leakage and install a new timing belt.
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Do not use cleaning agents on the pulleys when cleaning them.
b. Inspect the idler pulleys.
1. Check that the idler pulleys turn smoothly.
2. Visually check the sealed portion of the idler pulleys for oil leakage.
If there is any doubt about the idler pulleys condition, replace the idler pulleys.
c. Inspect the water pump.
1. Turn the pulley, and check that the water pump bearing moves smoothly without any noise.