Chevrolet 1977 10 Series, Repair Manual, Page: 339 / 468

AUTOMATIC TRANSMISSIONS
(400)7A-19
RETAINING
“ E” RING
SERVO PISTON \
SERVO PIN
Fig. 7 A - 6 4 C - R e a r Servo and A c c u m u l a t o r A s s e m b ly - E x p lo d e d V ie w
CONTROL VALVE, DISASSEMBLY, INSPECTION
AND RE ASSEMBLY (Fig. 7A-67C)
Disassembly
1. Position control valve assembly with cored face up
and accum ulator pocket nearest operator.
2. Remove manual valve from upper bore.
3. Install Special Tools J-22269 and J-24675, on
accum ulator piston and remove retaining ring (Fig. 7A-65C).
4. Remove front accum ulator piston and spring (Fig.
7A-66C).
5. On the right side adjacent to the manual valve, remove
the 1-2 valve train as follows:
RETAINING “ E” RING
OIL SEAL RING
•-ACCUMULATOR PISTON
Fig. 7 A -6 5C -ln s tallin g Compressor Tool to Front Acc um ulator
Piston
Fig. 7A-66C~Front Ac cum ulator Assembly - Exploded Vie w