Workshop

FORD 5R55S/5R55W

AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
50
5. Install a new inner lip seal into the groove in the
direct clutch piston, with the lip facing down, as
shown in Figure 78.
6. Install a new outer lip seal into the groove in the
direct clutch piston, with the lip facing down, as
shown in Figure 78.
7. Lubricate both inner and outer lip seals with a
small amount of Trans-Jel®.
8. Lubricate both the inner and outer seal surfaces
in direct clutch housing with a small amount of
Trans-Jel®.
9. Install the completed direct clutch piston into
the direct clutch housing with twisting motion,
as shown in Figure 80.
10. Install the direct clutch piston return springs on
the direct clutch piston, as shown in Figure 81.
11. Install the direct clutch return spring retainer on
top of return springs, as shown in Figure 81.
12. Carefully compress the retainer and the return
springs and install the retaining snap ring, as
shown in Figure 81.
13. Remove the spring compressor and ensure that
everything is fully seated.
Figure 78
Copyright © 2004 ATSG
DIRECT CLUTCH
PISTON
DIRECT CLUTCH PISTON
INNER LIP SEAL
DIRECT CLUTCH PISTON
OUTER LIP SEAL
8
Figure 80
Copyright © 2004 ATSG
DIRECT CLUTCH
PISTON ASSEMBLY
DIRECT CLUTCH
HOUSING
DIRECT CLUTCH ASSEMBLY (Cont'd)
CAUTION: Direct Clutch friction plates are
directional and must be installed with the
internal tooth plate grooves facing clockwise,
and the external tooth plates grooves facing
counterclockwise, as shown in Figure 79.
8
Figure 79
CAUTION: Direct Clutch friction plates are
directional and must be installed with the internal
tooth plate grooves facing clockwise, and the
external tooth plates grooves facing
counterclockwise, as shown above.
DIRECT CLUTCH PATTERN DIRECTION
14. Install the direct clutches beginning with an
outside spline plate and alternating with inside
spline plates, until you have installed 5 of each,
as shown in Figure 82.
Caution: Friction plates should be soaked in
Mercon® V, 3o minutes before installing.
Continued on Page 51

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