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7A1-24
1977 PONTIAC SERVICE MANUAL
- -
Fig.
7A1-9
Removing Pressure Regulator Valve
3. Install retaining ring.
4. Refer to Refill Section for correct fluid level.
CONTROL VALVE ASSEMBLY
Removal
1. Referring to draining procedures, drain transmission
fluid from oil pan.
2. Remove oil pan and screen. Discard gasket.
3. Remove screw and washer securing cable to
transmission and disconnect T.V. cable.
4. Remove throttle lever and bracket assembly. Do not
bend throttle lever link.
5. Remove manual detent roller and spring assembly.
6. Holding manual valve with fingers, remove valve
assembly spacer plate and gaskets together to prevent
dropping of four (4) check balls located in control valve body
and fifth (5th) check ball located on spacer plate.
NOTE: After removing control valve assembly, the
intermediate band anchor pin and reverse clutch cup
plug may come out.
7. Lay control valve assembly down with spacer plate
side up and remove fifth check ball off spacer plate.
8. Refer to overhaul operations for inspection procedure.
Installation
Installation of control valve assembly is the reverse of
removal. Torque all valve body bolts to 13.0 to 17.0 N - m
(9-12 ft. lbs.).
C A UTI 0 N: Intermediate band anchor pin must
locate on intermediate band or damage to
transmission will result.
Refer to Refilling of Transmission portion of this section
for correct fluid level.
REAR HOUSING OIL SEAL
Removal
1. Remove propeller shaft.
2. Pry out lip oil seal with screwdriver or small chisel.
Installation
1. Coat outer casing of new lip oil seal with a
nonhardening sealer and drive it into place with Installer J
21426.
2. Install propeller shaft and adjust fluid level.
OIL COOLER PIPES
(Figs. 7A1-10 & 11)
If replacement of transmission steel tubing cooler lines
is required, use only double wrapped and brazed steel tubing
meeting GM Specification 123M or equivalent. Under no
condition use copper or aluminum tubing to replace steel
tubing. Those materials do not have satisfactory fatigue
durability to withstand normal car vibrations.
TRANSMISSION
CONNECTORS
TO PREVENT
Fig.
7A1-10
Oil Cooler Lines (Typical)
-
L-4 Shown
Steel tubing should be flared using the double flare
method.
T.V. CABLE
(Figs. 7A1-12, 1 3 and 14)
Removal
1. Remove air cleaner.
2. Push up on bottom of "Snap Lock" and release lock
and T.V. cable.
3. Compress locking tabs and disconnect "Snap Lock"
assembly from bracket.
4. Disconnect cable from carburetor lever.
5. Remove clamp around filler tube, remove screw and
washer securing cable to transmission and disconnect T.V.
cable.
Installation
1. Install new seal on T.V. cable. Lubricate seal with
transmission fluid.
2. Connect transmission end of T.V. cable and secure to
transmission case with bolt and washer tightened to 10 N - m
(8 ft. lbs.).
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