Belt tensioner
Belt tensioner pulley check
If the tensioner is not damaged, check if the rele-
vant bearing has an excessive clearance.
•
CHECK THAT PULLEYS TURN FREELY
(WITHOUT JAMMING).
•
CHECK THAT THE BELT CONTACT SUR-
FACE IS NOT DAMAGED.
•
REPLACE THE BELT TENSIONER PULLEY, IF
NECESSARY.
NEVER WASH THE BELT TENSIONER PULLEY
Timing belt tensioner spring check
1. Check the unloaded spring length.
Characteristic
Unloaded length:
not exceeding 46.5 mm
2. Check the spring tension when the spring is
tensioned up to the length corresponding to the
working position.
Smontaggio puleggia sull'albero motore
Crankshaft pulley and flange test
1. Measure the pulley outside diameter, using a gauge.
Characteristic
Crankshaft pulley wear limit (mm)
59.3
Engine PORTER 1.3 16V
EN - 240