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FORD 5R55S/5R55W

AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
54
Figure 87
Copyright © 2004 ATSG
STAMPED STEEL
FORWARD CLUTCH
PISTON AND
CUSHION RING
FORWARD CLUTCH
HOUSING
6. Lubricate both inner and outer lip seals on the
stamped steel forward clutch piston assembly,
as shown in Figure 87, with a small amount
of Trans-Jel®.
7. Lubricate both seal surfaces in the housing with
a small amount of Trans-Jel® and install the
piston assembly with a twisting motion so as
not to damage the seals (See Figure 87).
8. Install the return spring retainer assembly on top
of the piston, as shown in Figure 88.
9. Compress the return springs and retainer and
install the spring retainer snap ring, as shown in
Figure 88, and ensure snap ring is seated.
10. Remove the spring compressor.
11. Install the forward clutch plates beginning with
a steel plate and alternating with friction plates,
until you have installed 5 of each, as shown in
Figure 89.
FORWARD CLUTCH HOUSING (Cont'd)
Figure 88
Copyright © 2004 ATSG
FORWARD CLUTCH
HOUSING
FORWARD CLUTCH
RETURN SPRING
RETAINER
FORWARD CLUTCH
SNAP RING
Ensure that snap ring
is fully seated
CAUTION: Forward Clutch friction plates are
directional and must be installed with the
grooves facing counterclockwise, as shown in
Figure 90. Friction plates should be soaked in
Mercon® V for 30 minutes before installing.
13. Install forward clutch backing plate snap ring,
as shown in Figure 89 and ensure that it is fully
seated in the groove.
14. Install dial indicator on top of backing plate, as
shown in Figure 91, and check the amount of
forward clutch clearance. Clearance should be
1.3 - 2.0mm (.051" - .079") (See Figure 91).
15. Change the selective backing plate snap ring as
necessary, using the chart in Figure 91, to get
the proper forward clutch clearance.
16. Set the completed forward clutch housing aside
for the final assembly process.
12. Install forward clutch backing plate, as shown
in Figure 89.

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