Timing Belt Tensioner: Testing and Inspection

1. Check the turning smoothness of the tensioner pulley.
- If necessary, replace the tensioner.
2. Check the turning smoothness of the tensioner arm.
- If necessary, replace the tensioner.






3. Visually check tensioner body for oil leakage.

NOTE: 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 tensioner.






4. Hold the tensioner with both hands and push the push rod strongly against the floor or wall to check that it doesn't move.
- If the push rod moves, replace the tensioner.






5. Measure the protrusion of the push rod from the housing end.
Protrusion: 8.0-8.8 mm (0.315-0.346 inch).
- If the protrusion is not as specified, replace the tensioner.