Chevrolet 1977 10 Series, Repair Manual, Page: 355 / 468

AUTOMATIC TRANSMISSIONS (400)7A-35
INTERMEDIATE CLUTCH
RELEASE SPRING (3)
Fig. 7A-1 1 5C --R em oving C lu tc h Release S p rin g s
retaining roller clutch inner race to center support.
Inspection (Fig. 7A-118C)
1. Inspect roller clutch inner race for scratches or
indentations. Be sure lubrication hole is open. Be sure
constant bleed plug orifice, (approx. .020 dia.), is open (Fig.
7A-47C).
2. Inspect bushing for scoring, wear or galling. If
replacement is necessary, proceed as follows:
a. Using Tool J-2 1465-6 with Driver Handle J-8092
remove bushing.
INTERMEDIATE CLUTCH
SPRING GUIDE
Fig. 7A-1 1 6C--Removing Intermediate Clutch Spring Guide
& RACE ASSEMBLY
Fig. 7A-1 1 7 C ~ R e m o vin g In te rm e d ia te C lu tc h Piston
b. From front side of center support, align elongated slot
in the bushing with drilled hole in the oil delivery sleeve
closest to the piston. Using Tool J-2 1465-6 and D river
Handle J-8092, drive bushing squarely into the bore until the
bushing is flush to .010" below top of oil delivery sleeve.
3. Check oil ring grooves and oil rings for damage.
NOTE:
All service center support oil seal rings are hook
type cast iron.
4. A ir check oil passages to be sure they are not inter­
connected.
5. Inspect piston sealing surfaces for scratches.
6. Inspect piston seal grooves for nicks or other damage.
7. Inspect piston for cracks.
8. Inspect release springs for distortion.
9. Inspect support to case for burrs or raised edges. If
present, remove with a stone or fine sandpaper.
Assembly
1. Lubricate and install new inner and outer seals on
piston with lip of seal facing away from spring pocket (Fig.
7A-119C and 7A-120C).
2. Install inner seal protector, Tool J-2 1363, on center
support hub, install piston, indexing spring pockets of piston
into cored areas of the center support (Fig. 7A-121C).
3. Install interm ediate clutch spring guide (Fig. 7A-
122C).
4. Install three (3) release springs into holes of spring
guide. Space equally during assembly (Fig. 7A-123C).
5. Place spring retainer and snap ring over springs.
6. Compress springs and install snap ring (Fig. 7A-
124C).
7. Install four (4) oil seal rings on the center support.
NOTE:
W hen installing teflon oil seal rings, make sure
slit ends are assembled in same realtion as cut (Fig. 7A-
125C). Also, make sure oil seal rings are seated in ring
grooves to prevent damage to rings during re-assembly