Workshop

HYDRA – MATIC 4L40 – E / 5L40 – E

AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
90
Copyright © 2002 ATSGCopyright © 2002 ATSG
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1010
5050
2020
4040
3030
CHECKING 2ND CLUTCH CLEARANCE
CLEARANCE SHOULD BE .052"-.076"
J-45136
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CENTER SUPPORT (CONT'D)
"MANDATORY" TOOL
26. Install dial indicator on top of the 2nd clutch
backing plate, as shown in Figure 143, and
zero the dial indicator.
27. 2nd Clutch clearance should be:
1.32 mm (.052") to 1.92 mm (.076"). Change
the "Selective" backing plate snap ring as
necessary to achieve proper clutch clearance.
28. Install J-45136 lip seal protector, as shown in
Figure 144.
Note: This is a mandatory tool to prevent any
damage to 2nd coast clutch piston seals.
29. Lubricate the 2nd coast clutch piston seals with
small amount of Trans-Jel® and install the 2nd
coast clutch piston into the center support using
the J-45145 installation tool (See Figure 145).
Figure 143 Figure 144
30. Remove the J-45136 lip seal protector.
31. Install the 2nd coast clutch "Bellville" return
spring, as shown in Figure 146.
32. Compress return spring and install the return
spring snap ring as shown in Figure 146.
Continued on Page 93

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