TIMING BELT Mitsubishi Lancer Evolution IX

TIMING BELT

Check the timing belt closely. Replace the belt with a new one if any of the following defects are evident

Scheme 778

Scheme 779

Scheme 780

Scheme 781

1. Hardening of rubber backing. Back side is glossy without resilience and leaves no indent when pressed with fingernail.
2. Surface cracks on the backing rubber.
3. Cracks or peeling of the canvas.
4. Cracks on the tooth bottom.
5. Cracks on the belt sides.
6. Abnormal wear on the belt sides. NOTE: The sides of the belt are normal if they are sharp as if cut by a knife.
7. Abnormal wear on teeth. Initial stage: Canvas worn (fluffy canvas fibers, rubbery texture gone, white discoloration, canvas texture indistinct) Final stage: Canvas worn, exposing rubber (tooth width reduced)
8. Missing teeth.

Scheme 782

Scheme 783

1. Check the auto-tensioner for leaks from the sealed sections. Replace it if leaky.
2. Check the rod end for wear and other damage. Replace the auto-tensioner if the rod is badly worn or damaged.
3. Measure the extension length of the rod. If it is not within the standard value range, replace the auto-tensioner. Standard value: 12 mm (0.5 inch)
4. Press the rod with a force of 98 to 196 N (22 to 44) and measure the amount of retraction. If the measurement exceeds the standard value, replace the auto-tensioner. Standard value: 1.0 mm (0.04 inch) or less

Scheme 784