Transaxle Case Disassemble

Tools Required

• J 7079-2  Universal Driver Handle - Non-Threaded. See Special Tools .
• J 8092  Universal Driver Handle - 3/4 in - 10
• J 23907  Slide Hammer with Bearing Adapter. See Special Tools .
• J 44375  Assembly Pallet. See Special Tools .
• J 44376  Bearing Pusher/Puller. See Special Tools .
• J 44377  Input Shaft Anti-Rotation Tool. See Special Tools .
• J 44380  Differential Bearing Race Puller. See Special Tools .
• J 44381  Shifter Bearing/Input and Output Bearing Remover. See Special Tools .
• J 44382  Countershaft Needle Bearing Puller. See Special Tools .
• J 44385  Differential Bearing Race and Seal Installer. See Special Tools .

Fig 1: View Of Transmission Filler Cap
Courtesy of GENERAL MOTORS CORP.
1. Remove the transmission filler cap.
Fig 2: View Of Transmission Drain Plug
Courtesy of GENERAL MOTORS CORP.
2. Remove the transmission drain plug and drain the fluid.
Fig 3: View Of Shift Cable Bracket Assembly
Courtesy of GENERAL MOTORS CORP.
3. Remove the shift cable bracket (4), the spacers (2), the isolators (3) and the bolt (1).
Fig 4: View Of Vehicle Speed Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.
4. Remove the vehicle speed sensor and bolt.
Fig 5: View Of Transaxle Case Side Of Housing Bolt
Courtesy of GENERAL MOTORS CORP.
5. Position the transmission, with the transaxle case side facing up, on a bench.
6. Remove the seven bolts from the transaxle case side of the housing.
Fig 6: Identifying Intermediate Shaft Seal
Courtesy of GENERAL MOTORS CORP.
7. Turn the transmission over.
NOTE: Puncture the seal in the center to prevent damage to the transmission.
8. Remove the intermediate shaft seal using a suitable tool. Discard the seal.
Fig 7: Identifying Plastic Oil Guide
Courtesy of GENERAL MOTORS CORP.
9. Remove the plastic oil guide from the intermediate shaft using a suitable tool. Discard the oil guide.
Fig 8: Locating Shifter
Courtesy of GENERAL MOTORS CORP.
10. Turn the transmission so the shifter is on top.
11. Shift the transmission into any gear.
Fig 9: View Of Intermediate Shaft Bolt
Courtesy of GENERAL MOTORS CORP.
12. Hold the input shaft with J 44377  . See Special Tools .
13. Remove the bolt from the intermediate shaft.
Fig 10: View Of Actuator & Tube
Courtesy of GENERAL MOTORS CORP.
14. Remove the actuator and tube bolts.
15. Remove the actuator and tube.
16. Inspect the input shaft seal for cuts, nicks, and damage. If damaged, replace the actuator.
Fig 11: View Of Shifter Guide Bolt
Courtesy of GENERAL MOTORS CORP.
17. Shift the transmission into neutral.
18. Remove the shifter guide bolt.
Fig 12: View Of Shifter And Retaining Bolts
Courtesy of GENERAL MOTORS CORP.
19. Remove the five shifter retaining bolts.
20. Remove the shifter.
Fig 13: View Of Rear Cover
Courtesy of GENERAL MOTORS CORP.
21. Remove the rear cover bolts.
22. Remove the rear cover.
23. Remove the oil guide.
Fig 14: Shifting Transmission Into 4th & 5th Gear With Screwdriver
Courtesy of GENERAL MOTORS CORP.
24. Shift the transmission into 4th and 5th gear using a screwdriver in an upward direction.
25. Remove the two shaft bolts while holding the transmission into 4th and 5th gear with a screwdriver in an upward direction.
Fig 15: View Of Clutch Housing Side Transmission Housing Bolt
Courtesy of GENERAL MOTORS CORP.
26. Turn the transmission over and remove the remainder of the transmission housing bolts from the clutch housing side.
Fig 16: View Of Clutch Housing & Transaxle Case
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: In line with the intermediate shaft, use two suitable tools to assist in the case separation.
27. Remove the clutch housing from the transaxle case.
Fig 17: View Of Roller Bearing
Courtesy of GENERAL MOTORS CORP.
28. Remove the roller bearing from the output shaft.
Fig 18: View Of Differential
Courtesy of GENERAL MOTORS CORP.
29. Remove the differential from the transaxle case.
Fig 19: View Of Transaxle Case Magnet
Courtesy of GENERAL MOTORS CORP.
30. Remove the magnet from the transaxle case.
Fig 20: View Of Shift Fork
Courtesy of GENERAL MOTORS CORP.
31. Slide outward and unhook the shift rod from the shift fork.
Fig 21: View Of Oil Tube
Courtesy of GENERAL MOTORS CORP.
32. Remove the oil tube from the transaxle case.
Fig 22: Identifying J 44375
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Ensure all of the shafts are in the proper slots on the holding fixture.
33. Install the J 44375  onto the gear shafts and the shift forks. See Special Tools .
Fig 23: Turning Transaxle Case Over Onto J 44375
Courtesy of GENERAL MOTORS CORP.
34. Turn the transaxle case over on the J 44375  . See Special Tools .
Fig 24: View Of Reverse Lamp Switch
Courtesy of GENERAL MOTORS CORP.
35. Remove the reverse lamp switch.
Fig 25: Tightening Jack Screws
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Alternate the tightening of the jack screws on the J 44376  to ensure proper removal of the transaxle case. See Special Tools .
36. Remove the transaxle case from the shafts using the J 44376-1, J 44376-2, and J 44376-3.
Fig 26: View Of Intermediate Shaft & Shift Fork
Courtesy of GENERAL MOTORS CORP.
37. Remove the intermediate shaft and shift fork from the input shaft, the output shaft, and the J 44375  . See Special Tools .
Fig 27: View Of Gear Assemblies & Shift Forks
Courtesy of GENERAL MOTORS CORP.
38. Remove the remaining gear assemblies from the holding fixtures.
39. Remove the shift forks from the gear assemblies.
Fig 28: Identifying J 23907 & J 44380
Courtesy of GENERAL MOTORS CORP.
40. Using the J 44380  (2) and the J 23907  (1), remove the differential bearing outer race from the clutch housing. See Special Tools . Discard the race.
Fig 29: View Of Differential Output Shaft Seal
Courtesy of GENERAL MOTORS CORP.
41. Remove the differential output shaft seal from the clutch housing. Discard the seal.
Fig 30: Output Shaft Bearing Race, Bolts, J 23907 & J 44380
Courtesy of GENERAL MOTORS CORP.
42. Remove the output shaft bearing race and bolts from the clutch housing using the J 23907  (1) and the J 44380  (2). See Special Tools .
Fig 31: Locating Input Shaft Bearing
Courtesy of GENERAL MOTORS CORP.
43. Remove the input shaft bearing from the clutch housing using the J 44381  and J 7079-2  . See Special Tools .
Fig 32: Counter Shaft Bearing, J 44381 & J 7079-2
Courtesy of GENERAL MOTORS CORP.
44. Remove the snap ring from the counter shaft bearing.
45. Remove the counter shaft bearing from the clutch housing using the J 44381  (2) and the J 7079-2  (1). See Special Tools .
Fig 33: Differential Bearing Outer Race, J 44380 & J 23907
Courtesy of GENERAL MOTORS CORP.
46. Remove the differential bearing outer race from the transmission housing using the J 44380  (2) and the J 23907  (1). See Special Tools . Discard the race.
Fig 34: View Of Differential Output Shaft Seal
Courtesy of GENERAL MOTORS CORP.
47. Remove the differential output shaft seal from the transmission housing. Discard the seal.
Fig 35: View Of Transmission Housing Bolt, Spring & Lever
Courtesy of GENERAL MOTORS CORP.
48. Remove the bolt (1), lever (3) and spring (2) from the transmission housing, if equipped.
Fig 36: Identifying J 44381 & J 7079-2
Courtesy of GENERAL MOTORS CORP.
49. Remove the shifter bearing from the transmission housing using the J 44381  (1) and the J 7079-2  (2). See Special Tools .
Fig 37: Intermediate Shaft Needle Bearing, J 44380 & J 23907
Courtesy of GENERAL MOTORS CORP.
50. Remove the intermediate shaft needle bearing from the transmission housing using the J 44382  (2) and the J 23907  (1). See Special Tools .
Fig 38: View Of Shift Rod & Bushing
Courtesy of GENERAL MOTORS CORP.
51. Remove the shift rod bushing and the shift rod from the transmission housing.
Fig 39: Identifying J 44385 & J 8092
Courtesy of GENERAL MOTORS CORP.
52. Remove the snap ring and the input shaft bearing from the transmission housing using the J 44385  (2) and the J 8092  (1). Discard the snap ring. See Special Tools .
53. Remove the snap ring and the output shaft bearing from the transmission housing using the J 44385  (2) and the J 8092  (1). Discard the snap ring. See Special Tools .