WATER PUMP, THERMOSTAT & IDLER PULLEYS
NOTE: The inner race of the roller bearing cannot be
removed from the shaft without damaging both
parts. When replacement of either part is required,
use a new roller bearing assembly and a new shaft.
Using a snap ring pliers, remove the inner snap
ring (6, Fig. 31).
Remove the roller bearing (1, Fig. 34) from the
bracket (2) with a suitable puller (3), as shown.
Figure 34. - Removing Roller Bearings
CLEANING, INSPECTION AND REPAIR
Clean the Fan Idler Pulleys as follows:
Wash all parts in cleaning solvent to remove all
Dry with compressed air.
DO NOT spin bearing cones with compressed
INSPECTION AND REPAIR
Inspect and Repair the Fan Idler Pulley with Front
Ball Bearing and Rear Roller Bearing as follows:
Visually inspect the ball bearing (1, Fig. 35) for
roughness, overheating or damage to the seal
Inspect the roller bearing (3) and replace as
Inspect the pulley shaft (4) for cracks or thread
Figure 35. - Fan Idler Assembly
PRINTED IN UNITED STATES OF AMERICA