Workshop

HYDRA-MATIC 6L80 (6 Speed)

458 CENTER SUPPORT FRONT BUSHING
459 CENTER SUPPORT ASSEMBLY
460 CENTER SUPPORT REAR BUSHING
455 2-6 CLUTCH "BELLVILLE" RETURN SPRING SNAP RING
456 2-6 CLUTCH "BELLVILLE" RETURN SPRING
457 2-6 CLUTCH APPLY PISTON ASSEMBLY
458
459
459
457
456
455
COMPRESSION TOOL DT-47761
460
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
66
Copyright © 2007 ATSGCopyright © 2007 ATSG
COMPONENT REBUILD
CENTER SUPPORT ASSEMBLY
Figure 107 Figure 108
1. Disassemble the center support assembly using
Figure 105 and 106 as a guide.
2. Clean all center support parts thoroughly and
dry with compressed air.
3. Inspect all center support parts thoroughly for
any wear and/or damage.
4. Replace center support bushings as necessary,
as shown in Figure 107, using the proper size
bushing drivers.
5. Place the center support on a flat work surface
with the front side facing up (See Figure 108).
6. Lubricate the seal surfaces of a new 2-6 clutch
piston and install piston into the center support,
as shown in Figure 108.
7. Install the 2-6 clutch piston "bellville" return
spring onto the piston with the tabs facing
down, as shown in Figure 108, and that the
tabs fit between the stands on the piston.
8. Using the compression tool DT-47761 shown
in Figure 108, compress the return spring and
install the snap ring.
Continued on Page 67

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