Workshop

HYDRA-MATIC 6L80 (6 Speed)

AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
82
Copyright © 2007 ATSG
351
352
353
354
355
356
357
358
359
360
361
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363
364
323
323
323
323
323 VALVE LINE-UP RETAINER (4 REQUIRED).
351 LOWER VALVE BODY CASTING.
352 CLUTCH SELECT VALVE 3.
353 CLUTCH SELECT VALVE 3 SPRING.
354 CLUTCH SELECT VALVE 3 BORE PLUG.
355 CLUTCH SELECT VALVE 2 BORE PLUG.
356 CLUTCH SELECT VALVE 2 SPRING.
358 MANUAL VALVE.
359 TCC REGULATOR VALVE SPRING.
360 TCC REGULATOR VALVE.
361 TCC REGULATOR SHUTTLE VALVE.
362 TCC REGULATOR VALVE BORE PLUG.
363 COMPENSATOR FEED REGULATOR VALVE SPRING.
364 COMPENSATOR FEED REGULATOR VALVE.
6L80 LOWER VALVE BODY ASSEMBLY EXPLODED VIEW
Figure 139
Figure 140
VALVE/SOLENOID BODY ASSEMBLY (CONT'D)
6. Remove the remaining bolts retaining lower
and upper valve bodies and seperate the two,
as shown in Figure 139.
7. Remove and discard the spacer plate/gasket
assembly. Gasket is bonded to the plate.
Note: GM recommends replacement of spacer
plate on all rebuilds.
8. Disassemble the lower valve body assembly
using Figure 140 as a guide.
9. Lay each valve line-up out in order as you
remove them from the valve body casting.
10. Inspect each valve, valve spring, bore plugs
and retainers for any wear and/or damage.
11. Clean all lower valve body parts thoroughly
and dry with compressed air.
12. Install each valve train back into their bores
exactly, as shown in Figure 140, lubricating
them with Dexron VI® as they are installed.
Continued on Page 83
LOWER
VALVE BODY
SPACER PLATE
WITH GASKET
CHECK
BALLS (7)
UPPER
VALVE BODY

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