D 150 Pickup V6-239 3.9L (1992)
10.
Carefully work the overdrive unit off the intermediate shaft. Do not tilt compounder during removal. Keep it as level as possible.
CAUTION:
INSERT ALIGNMENT TOOL 6227-2 IN SPLINES OF PLANETARY GEAR AND OVERRUNNING CLUTCH TO PREVENT SPLINES FROM
ROTATING OUT OF ALIGNMENT. IF MISALIGNMENT OCCURS, OVERDRIVE UNIT WILL HAVE TO BE DISASSEMBLED IN ORDER
TO REALIGN SPLINES.
11.
Remove and retain overdrive piston thrust bearing. Bearing may remain on piston or in clutch hub during removal.
12.
Place overdrive unit over drain pan. Tilt unit to drain residual fluid from case. Examine fluid for clutch material or metal fragments. If fluid
contains an excessive amount of debris, overhaul will be necessary.
13.
Remove overdrive piston thrust plate spacer and retain. It is a select fit part and can be reused.
14.
Remove overdrive clutch pack retaining ring. Then remove the overdrive clutch pack and wave spring.
15.
Remove overdrive clutch reaction snap ring. Note that snap ring is located in same groove as wave spring.
16.
Remove access cover and gasket from case. Cover provides access to output shaft front bearing locating ring. Expand output shaft bearing snap
ring with snap ring pliers. Push output shaft forward to release shaft front bearing from locating ring.
17.
Remove geartrain assembly from housing and stand on end with output shaft pointing upward.
18.
Remove Teflon Seal Rings from governor drive.
19.
Install new seal rings (cast iron) on governor drive.
NOTE:
CAREFULLY EXPAND EACH SEAL INTO EACH GROOVE OF DRIVE. AVOID OVERSPREADING SEALS DURING INSTALLATION TO
ENSURE TIGHT FIT.
20.
Once the cast iron seal rings are in place, interlock the ends of each (without the use of tools) by compressing the sides of the seals providing
enough slack at the ends so that the interlocking can take place.
21.
Verify hook type seals are properly interlocked and seals rotate freely in the grooves (Figure 1).
22.
Install overdrive unit case over geartrain.
23.
Expand front bearing locating ring with snap ring pliers. Slide case downward until locating ring locks in bearing groove and release snap ring.
24.
Install locating ring access plate and gasket in overdrive unit case.
25.
Install O/D clutch pack reaction ring first. Reaction ring is flat with notched ends.