4-75. FAN AND CLUTCH REPLACEMENT.
This task covers:
Para. Condition Description
Fan Shroud Removed
General Mechanics Tool Kit
General Safety Instructions
Transmission in (N) neutral.
Parking brake and micro-brakelock set.
Mark the fan clutch hub and water pump
hub (1) for proper alignment at reassembly.
a. Remove the fan (2) and fan clutch (3) from the
water pump pulley (4) by removing nuts (5).
b. Remove the fan (2) from the fan clutch (3) by
If a fan blade is bent or damaged in any
removing the bolts (6).
way, no attempt should be made to repair
and/or reuse the damaged part. A bent or
damaged fan assembly must be replaced
with a new fan assembly.
All mating surfaces (the water pump hub
and fan clutch hub) must be inspected for
It is essential that the fan assembly remain
smoothness and be reworked as necessary
in proper balance.
Balance cannot be
assured once a fan assembly has been bent
or damaged. A fan assembly that is not in
proper balance could fail and fly apart
a. Install the fan (2) to the fan clutch (3) with bolts
during use, creating a dangerous condition
to both the vehicle and the operator.
b. Torque to 18 ft-lbs (25 N-m).
c. Install the fan (2) and fan clutch (3) assembly to
the water pump pulley (4) with nuts (5).