Workshop

HYDRA-MATIC 6L80 (6 Speed)

407 1-2-3-4 CLUTCH BACKING PLATE
408 1-2-3-4 CLUTCH FRICTION PLATES
409 1-2-3-4 CLUTCH STEEL PLATES
410 1-2-3-4 CLUTCH "WAVED" PLATE
429 1-2-3-4 CLUTCH BACKING PLATE SELECTIVE SNAP RING
429
407
410
408
409
1-2-3-4 Clutch Clearance Should Be
1.53-1.99mm (.060" - .078")
2.15-2.25mm
THICKNESS
2.42-2.52mm
2.69-2.79mm
2.96-3.06mm
3.23-3.33mm
(.085" - .089")
(.095" - .099")
(.106" - .110")
(.117" - .120")
(.127" - .131")
YELLOW
O.D. COLOR
NONE
PURPLE
LIGHT BLUE
ORANGE
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
60
Copyright © 2007 ATSGCopyright © 2007 ATSG
1-2-3-4 AND 3-5 REVERSE HOUSING (CONT'D)
21. Lubricate the seal area and install the 1-2-3-4
clutch balance piston, as shown in Figure 97.
22. Compress the assembly and install the snap
ring, as shown in Figure 97.
Note: Compressing the balance piston too
far may damage the piston, so use care.
23. Install the 1-2-3-4 clutch "wave" plate into the
housing, as shown in Figure 98.
24. Install the 1-2-3-4 clutch plates beginning with
a steel plate and alternating with a friction until
you have installed five of each, as shown in
Figure 98.
25. Install the 1-2-3-4 clutch backing plate, as
shown in Figure 98.
26. Install the 1-2-3-4 clutch backing plate snap
ring, as shown in Figure 98.
27. Check 1-2-3-4 clutch clearance using a feeler
gage between the snap ring and backing plate,
as shown in Figure 99.
28. Change the selective snap ring to achieve the
proper clutch clearance using thickness chart
and both are found in Figure 99.
Figure 98 Figure 99
Continued on Page 61

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