Drive Belt: Testing and Inspection

1NR-FE ENGINE MECHANICAL: DRIVE BELT: ON-VEHICLE INSPECTION

1. REMOVE NO. 3 ENGINE UNDER COVER Removal

2. REMOVE NO. 1 COOLER COVER Removal

3. REMOVE NO. 1 ENGINE COVER Removal

4. INSPECT FAN AND GENERATOR V-RIBBED BELT





(a) Check the belt for wear, cracks or other signs of damage.

If any of the following defects is found, replace the V-ribbed belt.

HINT
* 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.





Text in Illustration





HINT
Check with your hand to confirm that the belt has not slipped out of the grooves on the bottom of the pulley. If it has slipped out, replace the V-ribbed belt. Install a new V-ribbed belt correctly.

5. INSPECT NO. 1 V-RIBBED (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT





(a) Check the belt for wear, cracks or other signs of damage.

If any of the following defects is found, replace the No. 1 V-ribbed belt.

HINT
* 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.





Text in Illustration





HINT
Check with your hand to confirm that the belt has not slipped out of the grooves on the bottom to the pulley. If it has slipped out, replace the No. 1 V-ribbed belt. Install a new No. 1 V-ribbed belt correctly.

(c) Inspect the No. 1 V-ribbed belt deflection.





Text in Illustration





Deflection:





HINT
No. 1 V-ribbed belt tension





NOTICE:
* Check the No. 1 V-ribbed belt deflection at the specified point.
* When installing a new belt, set its deflection value as specified.
* When checking a belt used for over 5 minutes, confirm that the deflection value is within the specified range for a used belt.
* When reinstalling a belt used for over 5 minutes, check whether its deflection value is within the specified range for a used belt.

6. INSTALL NO. 1 ENGINE COVER Installation

7. INSTALL NO. 1 COOLER COVER Installation

8. INSTALL NO. 3 ENGINE UNDER COVER Installation