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Pontiac Turbo-Hydramatic Transmission (M-40)
Front & Rear Servos & Control Valve

1965-72

Illustrated Parts Break Down

Cut Away View
EXPLODED VIEW Pump, Fwd & Direct Clutch, Center Support Case Extension & Planet Carrier Range Selector
FRONT & REAR
SERVOS CONTROL
VALVE

1) Spring, Front
servo
 
2) Retainer, Front servo spring
3) Pin, Front Servo piston 4) Washer, Servo piston
5) Piston, Front servo
6) Ring, Front servo piston oil seal
7) Ring, Front servo
retainer-snap

8) Piston, Accumulator front
9) Ring, Accumulator piston oil seal
10) Spring, Accumulator piston -front
11) Pin, Rear servo rear band apply
12) Retainer, Rear servo piston spring
13) Spring, Rear
servo

14) Washer, Rear servo piston
15) Ring, Accumulator piston oil seal-inner
16) Piston, Accumulator
17) Ring, Accumulator piston oil seal-outer
18) Seal, Rear servo piston
19) Spring, Rear accumulator
 
1965-72 Pontiac Turbo-Hydramatic Transmission (M-40) Exploded View
20) Piston, Servo
-rear

21) Ring, Servo piston retainer-snap
22) Gasket, Rear servo cover
23) Cover, Rear servo
24) Gasket, Case to spacer
25) Spacer, Valve body
26) Gasket, Valve
body to spacer

27) Valve assy.,
Trans. control

28) Pipe, Governor oil
29) Bolt, Solenoid to valve body (1/4"-20 x 3/4")
30) Solenoid, Trans.
31) Gasket, Solenoid valve
32) Seal, Oil
suction pipe to
case

33) Strainer assy.,
Trans. oil

34) Gasket, Trans
oil pan

35) Pan, Trans. oil
36) Screw, Case to center support locating
37) Valve, Trans control manual
38) Screw & Conical
Washer assy., 
Oil pan to case 
(5/16" -18 x 3/4")
 
39) Screen, Governor oil pipe hole
40) Pipe assy., Trans. intake-to strainer (2nd Type)
41) Grommet, Trans. strainer to pipe
 

The illustrated parts break down illustrates individual part placement in the assembly.