Drive Belt: Testing and Inspection

On-vehicle inspection

1. Fan & generator V-belt check

NOTE:
Check the belt when reusing it.





(1) Check the fan & generator V-belt for wear or cracks.

NOTE:
^ Replace the belt if it is cracked.
^ Replace the belt if it is worn until its core is exposed.
^ Replace the belt if its rib rubber is chipped.





(2) Check that the fan & generator V-belt fits securely in the rib grooves.

NOTE:
^ Visually and manually check that the fan & generator V-belt is properly located on the rib grooves at the lower side of the pulleys.
^ If the fan & generator V-belt is not located properly, replace with a new part.

2. V-ribbed belt tensioner ASSY check
(1) Stop the engine from idling speed and check that the V-belt does not protrude from the width of belt tensioner pulley.
(2) Move the belt tensioner in the both rotational directions to check whether it is caught.

NOTE:
Replace the V-ribbed belt tensioner ASSY if faulty.