If there are notches worn into the splines, replace the sub clutch hub. Also, replace the steel plates if their teeth are damaged.

Clutch Housing Finger Inspection
Damper Cam InspectionRebound Damping Force Adjustment
To adjust the rebound damping force, turn the rebound
damping adjuster [A].
The standard adjuster setting is the 3 3/4 turns out from
the fully clockwise position.
WARNINGIf both adjusters are not adjusted
equally, handling
may be impaired and a hazardous condition may
res ...
Radiator Fan System
Fan Motor Inspection
Remove the air cleaner housing (see Air Cleaner Housing
Removal in the Fuel System (DFI) chapter).
Disconnect the connector [A].
Using an auxiliary leads, supply battery power to the fan
motor.
If the fan does not rotate, the fan motor is defective and
must be re ...
Valve Removal
Remove the cylinder head (see Cylinder Head Removal).
Remove the valve lifter and shim.
Mark and record the valve lifter and shim locations so they
can be installed in their original positions.
Using the valve spring compressor assembly, remove the
valve.
Special Tools - Valve ...