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Pontiac Manual Transmission-Heavy Duty


(26-28 Series) (1ST Type 1964)

Illustrated Parts Break Down

1) Case, 
2) Retainer, Main drive gear bearing
3) Gasket, Main drive gear bearing retainer
4) Ring, Main drive gear bearing ret. snap
5) Washer, Main drive gear bearing ret.
6) Ring, Main drive gear bearing to ret. snap
7) Bearing, 
Trans. main 
drive gear
8) Washer, Trans. Front bearing Oil
9) Gear, Trans. main drive
10) Ring, Clutch Hub retainer
11) Ring, Trans. synchronizer blocking
12) Clutch assy., Trans. syncro mesh
13) Gear, Trans.
main shaft 
second speed
14) Gear, Low & reverse sliding
15) Shaft, Trans. main
16) Ring, Main shaft rear bearing snap
17) Bearing, Trans. rear main shaft
18) Ring, Trans. rear bearing to shaft
19) Ring, 
Speedometer drive 
gear snap
20) Gear, Speedometer drive
21) Ball, Speedometer drive gear retaining (1/4" dia.)
22) Gasket, Trans. rear extension
23) Gear, Shaft & sleeve Assy., Speedometer driven
1961-64 Pontiac Manual Transmission-Heavy Duty Expolded View
24) Extension, 
Trans. rear

25) Yoke, Front Universal Joint
26) Bearing, Trans. main shaft pilot (roller Type)
27) Washer, Counter gear bearing ret.
28) Gear, Trans. Countershaft
29) Washer, Countershaft brg. ret. (7/8" ID x 15/32" OD x 11/16" thk.)
30) Bearing, 
(roller Type)

31) Spacer, Trans. 
32) Countershaft, Trans.
33) Thrust Washer, Countershaft gear Trans.
34) Gear, Reverse Idler
35) Shaft, Reverse Idler gear
36) Fork, Gearshift Low & reverse shift
37) Lever, Trans. 
shift selector-Inner 
(low & reverse)

38) Seal, Trans. 
shifter shaft 
"O" ring
39) Lever, Trans. shifter low & reverse
40) Cover, Trans. Case
41) Gasket, Trans. Case
42) Lever, Trans. shifter-second & Third
43) Lever, Trans. shift selector,Inner (second & Third)
44) Fork, Gearshift
second & Third shift
45) Pin, Shifter Interlock 46) Spring, Trans. shift lever poppet ball
47) Ball, Trans. shift shaft-steel (3/8" dia.)
48) Sleeve, Trans. shifter Interlock
49) Plate, Trans. shifting
50) Spring, Trans. synchronizer

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