Chevrolet Chevelle 1977 Repair Manual page 341

Fig. 7 A - 6 8 C --ln s ta llin g Detent R e g u la to r Valve and Detent
5. Inspect accum ulator piston and oil seal ring for
damage.
Reassembly
1. Install front accum ulator spring and piston into valve
body.
2. Install Special Tools J-22269 and J-24675 and
compress spring and piston and secure with retaining "E"
ring.
3. Install the 1-2 accum ulator valve train into the lower
left hand bore as follows:
a. (Model CP) Install the 1-2 accum ulator spring and
1-2 accum ulator valve, stem end out, into bore. Place the bore
plug into valve bore and install grooved retaining pin from
the cast surface side of the valve body, with the grooves
entering the pin hole last. Tap pin with a ham m er until flush
with cast surface of valve body.
b. (Models CB,CG (early design),CJ,CL and CS) Install 1-2
accum ulator valve stem end out, into bore. Place bore plug
into valve bore and install grooved retaining pin from cast
surface side of the valve body, with the groove entering the
pin holes last. Tap pin with a ham m er until flush with cast
surface of valve body.
Fig. 7 A-69C--Removing Pump Regulator Valve Snap Ring
AUTOMATIC TRANSMISSIONS
Valve
Fig. 7 A -7 0 C --R e m ovin g Pressure Re g u la tor Valve
c. (Models CF, CG (later design), CM and CT) Install the
1-2 accumulator valve, stem end out, and 1-2 accumulator
secondary spring. Install the bore plug and compress spring
until grooved retaining pin can be inserted from the cast
surface side of the valve body. Install retaining pin with the
grooved end entering the pin hole last and tap in place until
flush with cast surface of the valve body.
4. In next bore up, install detent spring and spacer.
Compress spring and secure with small screwdriver (Fig. 7A-
68C).
5. Install detent regulator valve, wide land first.
6. Install detent valve, narrow land first.
7. Install bore plug (hole out), depress spring by pressing
in on plug, install retaining pin, and remove screwdriver.
8. In lower right hand bore, install 3-2 valve.
9. Install 3-2 spring, spacer, bore plug (hole out) and
Fig. 7A-7 1C— In s ta llin g Pressure R e g u la tor Retaining Pin and
Bore Plug
(400)7A-21