Toyota 1 MZ–FE Manual page 48

EG2–48
1MZ–FE ENGINE –
(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, check
timing cover for damage and check gasket has been
installed correctly and for foreign material on the
pulley teeth.
If necessary, replace the timing belt.
2. INSPECT IDLER PULLEYS
Check that the idler pulley turns smoothly.
If necessary, replace the idler pulley.
3. INSPECT TIMING BELT TENSIONER
(a) Visually check tensioner for oil leakage.
HINT: If there is only the faintest trace of oil on the
seal on the push rod side, the tensioner is all right.
If leakage is found, replace the tensioner.
P12429
(b) Hold the tensioner with both hands and push the push
rod strongly as shown to check that it doesn't move.
If the push rod moves, replace the tensioner.
NOTICE: Never hold the tensioner push rod facing down–
ward.
ENGINE MECHANICAL