Drive Belt: Testing and Inspection

2UZ-FE ENGINE MECHANICAL: DRIVE BELT: INSPECTION

INSPECTION

1. INSPECT FAN AND GENERATOR V BELT





(a) Check the belt for wear, cracks or other signs of damage.
If any of the following defects is found, replace the fan and generator V belt.
- The belt is cracked.
- The belt is worn out to the extent that the cords are exposed.
- The belt has chunks missing from the ribs.





(b) Check that the belt fits properly in the ribbed grooves.

HINT: Check with your hand to confirm that the belt has not slipped out of the groove on the bottom to the pulley. If it has slipped out, replace the fan and generator V belt. Install a new fan and generator V belt correctly.

2. INSPECT V-RIBBED BELT TENSIONER ASSEMBLY





(a) Check that the belt tensioner moves downward when the belt is pressed down at the point indicated in the illustration with approximately 98 N (10 kgf, 22.0 lbf) of force.
(b) Check that nothing gets caught in the tensioner by turning it clockwise and counterclockwise.
If a malfunction exists, replace the tensioner.