Inspect Idler Pulleys; Inspect Timing Belt Tensioner - Toyota 3VZ–FE Troubleshooting Manual

EG–38
ENGINE TROUBLESHOOTING
(e) If there is noticeable wear on the belt teeth, check timing
2.
3.
(a) Visually check tensioner for oil leakage.
(b) Hold the tensioner with both hands and push the push rod
(c) Measure the protrusion of the push rod from the housing end.
– ENGINE MECHANICAL
cover for damage and check to correct gasket installation
and for foreign material on the pulley teeth.
If necessary, replace the timing belt.

INSPECT IDLER PULLEYS

Check that the idler pulley turns smoothly.
If necessary, replace the idler pulley.

INSPECT TIMING BELT TENSIONER

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.
strongly against the floor or wall to check that it doesn't move.
If the push rod moves, replace the tensioner.
Protrusion:
10.0–10.5 mm (0.94–0.413 in.)
If the protrusion is not as specified, replace the tensioner.