Timing Belt Auto Tensioner

1. Check tensioner pulley for smooth rotation and abnormal noise, replacing as necessary. Do not clean pulley with cleaning fluids. If necessary, use a soft rag to wipe clean and avoid scratching pulley.
2. Check auto tensioner for oil leakage, replacing as necessary.
3. Check tension rod projection free length, which should be .47-.55 inch (12-14mm). Replace as necessary.