Workshop

HYDRA – MATIC 4L40 – E / 5L40 – E

AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
93
Copyright © 2002 ATSG
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1010
5050
2020
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3030
CHECKING 2ND COAST CLUTCH CLEARANCE
CLEARANCE SHOULD BE .031"-.063"
Figure 149
CENTER SUPPORT (CONT'D)
33. Install the 2nd coast clutch apply ring spacer,
as shown in Figure 147, ensuring that slots are
installed over return spring legs.
34. Install 2nd coast clutch "single sided" plates
beginning with an outside spline plate first and
alternating with inside spline plates until you
have installed 3 of each (See Figure 147).
Note: Lined side must be installed facing up,
as shown in Figure 147. Clutch plate
amounts may vary by model. This set
of clutch plates are not used at all in
the "4L40-E" models.
35. Install the 2nd coast clutch backing plate, as
shown in Figure 148.
36. Install the "Selective" backing plate snap ring,
as shown in Figure 148, and ensure that snap
ring is fully seated against the top of snap ring
groove in the center support.
37. Install dial indicator on top of 2nd coast clutch
backing plate, as shown in Figure 149, and zero
the dial indicator.
38. 2nd Coast Clutch clearance should be:
0.80 mm (.031") to 1.6 mm (.063"). Change
the "Selective" backing plate snap ring as
necessary to achieve proper clutch clearance.
39. Set the completed Center Support Assembly
aside for final transmission assembly.

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