LS 400 V8-4.0L (1UZ-FE) (1990)
Timing Belt: Testing and Inspection
INSPECTION OF TIMING BELT COMPONENTS
1. 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 installing or removing the mounting bolt of the camshaft timing pulley.
If there are any defects as shown in the illustration, check the following points:
(a) Premature parting.
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Check for proper installation.
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Check the timing cover gasket for 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.