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Pontiac Manual Transmission-Heavy Duty


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

Illustrated Parts Break Down

1) Case, Transmission

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, Countershaft (roller Type)

31) Spacer, Trans. countershaft bearing

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 exploded view illustrates individual part placement in the assembly.