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Transmission Assemble: Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Disassembling/Assembling Shift Rails, Input Shaft & Countershaft
    GM1425652Courtesy of GENERAL MOTORS CORP.
  1. Apply lubricant GM P/N 88862475 (Canadian P/N 88862476 to each gear shift fork and gear shift head. Join the shift rail assembly to the input shaft and countershaft assembly.
    2. Fig 2: View Of Input Shaft, Countershaft & Shift Rail Assembly
    GM1425650Courtesy of GENERAL MOTORS CORP.
  2. Install the input shaft, countershaft and shift rails as an assembly in the clutch housing.
    3. Fig 3: Removing/Installing Rear Input Shaft Bearing Snap Ring
    GM1413909Courtesy of GENERAL MOTORS CORP.
  3. Install the snap ring into the groove of the input shaft radial ball bearing.
    4. Fig 4: Removing/Installing Front Countershaft Bearing Snap Ring
    GM1413907Courtesy of GENERAL MOTORS CORP.
  4. Install the snap ring into the groove of the countershaft radial ball bearing.
    5. Fig 5: View Of Shift Counter Lever Bracket Bolts
    GM1425647Courtesy of GENERAL MOTORS CORP.
  5. Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the shift rail bolts.
    6. NOTE: Refer to Fastener Notice .
  6. Install the 4 shift rail bolts.

    Tighten:  Tighten the bolts to 21 N.m (15 lb ft).

    7. Fig 6: View Of Reverse Idler Gear, Bearing & Shaft
    GM1413905Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: During alignment, ensure that the thread hole of the reverse idler gear shaft (204) aligns with the thread hole of the middle case.
  7. Apply lubricant GM P/N 88862475 (Canadian P/N 88862476 and install the following components:
    • The reverse idler gear bearing (136)
    • The reverse idler gear (205) with the higher boss facing the rear
    • The reverse idler gear shaft (204) with its hole facing outward
    8. Fig 7: Shift Shaft Selector Lever
    GM1921486Courtesy of GENERAL MOTORS CORP.
  8. Apply sealer GM P/N 89020326 (Canadian P/N 89021188) or equivalent to the interface of either case.
  9. Install the shift shaft selector lever.
    10. Fig 8: Select Lever Shaft Bearing
    GM1921487Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Machined Surface Damage Notice .
  10. Apply sealer GM P/N 89020326 (Canadian P/N 89021188) or equivalent to the interface of either case.
  11. Apply lubricant GM P/N 88862475 (Canadian P/N 88862476 to the shift and select lever shaft bearing.
  12. Install the intermediate case housing.
    13. Fig 9: View Of Clutch Housing Bolts
    GM1413897Courtesy of GENERAL MOTORS CORP.
  13. Install the 8 bolts from the clutch housing and the 3 bolts from the middle case.

    Tighten:  Tighten the bolts to 40 N.m (29 lb ft).

    14. Fig 10: View Of Rear Output Shaft, Input Shaft Bearing & Blocking Ring
    GM1413910Courtesy of GENERAL MOTORS CORP.
  14. Apply lubricant GM P/N 88862475 (Canadian P/N 88862476 and install the input shaft bearing (137), blocking ring (121) and the rear output shaft (111).
    15. Fig 11: View Of Oil Trough Pipe, Bolt & Gasket
    GM1504123Courtesy of GENERAL MOTORS CORP.
  15. Install the oil trough pipe (19).
  16. Install a NEW gasket (32) and the bolt (35) to secure the reverse idler shaft.

    Tighten:  Tighten the bolt to 40 N.m (30 lb ft).

    17. Fig 12: View Of Oil Trough Bolts And Oil Trough
    GM1413901Courtesy of GENERAL MOTORS CORP.
  17. Install the oil trough (20) and the 2 oil trough bolts (37).

    Tighten:  Tighten the bolts to 8.5 N.m (75 lb in).

    18. Fig 13: Applying Lubricant To Cylindrical Roller Bearing, Outer Race & Control Sub-Assembly Holes
    GM1539083Courtesy of GENERAL MOTORS CORP.
  18. Apply lubricant GM P/N 88862475 (Canadian P/N 88862476 to the following components:
    • The tapered roller bearing outer race
    • The cylindrical roller bearing
    • The control sub-assembly holes
    19. Fig 14: Applying Lubricant To Tapered Roller Bearing & Cylindrical Roller Bearing Inner Race
    GM1539084Courtesy of GENERAL MOTORS CORP.
  19. Apply lubricant GM P/N 88862475 (Canadian P/N 88862476 to the following components:
    • The tapered roller bearing of the output shaft
    • The cylindrical roller bearing inner race of counter gear
    20. Fig 15: View Of Rear Case Housing Retainer & Bolts
    GM1413899Courtesy of GENERAL MOTORS CORP.
  20. Apply sealer GM P/N 89020326 (Canadian P/N 89021188) or equivalent to the clean interface of either case.
    21. NOTE: Refer to Machined Surface Damage Notice .
    IMPORTANT: Use care when installing the rear case housing so that the oil receiver is not damaged.
  21. Install the rear case housing.
  22. Install the 10 bolts (27) and retainer (209) to the rear case housing.

    Tighten:  Tighten the bolts to 40 N.m (29 lb ft).

    23. Fig 16: View Of Shift Shaft Detent Plug, Spring & Pin
    GM1504121Courtesy of GENERAL MOTORS CORP.
  23. Apply lubricant GM P/N 88862475 (Canadian P/N 88862476 and install the lock ball pin (68).
  24. Install the spring (75) and a NEW plug (36).

    Tighten:  Tighten the plug to 24.5 N.m (18 lb ft).

    25. Fig 17: Removing/Installing Clutch Housing Hole Plug
    GM1413898Courtesy of GENERAL MOTORS CORP.
  25. Using J 35467  , install a NEW clutch housing hole plug (30) into the clutch housing. See Special Tools .

    Tighten:  Tighten the bolt to 39.3 N.m (29 lb ft).

    26. Fig 18: Installing Input Shaft Seal
    GM1481566Courtesy of GENERAL MOTORS CORP.
  26. Using J 44731  , install a NEW input shaft seal (12). See Special Tools .
    27. Fig 19: View Of Vehicle Speed Sensor Drive Gear, Spacer, Locking Ball & Main Shaft Bearing Oil Slinger
    GM1413895Courtesy of GENERAL MOTORS CORP.
  27. Align and install the main shaft bearing oil slinger (107).
  28. Grease and install the locking ball (214).
  29. Align and install the vehicle speed sensor drive gear (212).
  30. Install a NEW rear output shaft rear bearing spacer (191).
    31. Fig 20: Identifying 8 Bolts And Rear Extension Housing
    GM1921442Courtesy of GENERAL MOTORS CORP.
  31. Apply sealer GM P/N 89020326 (Canadian P/N 89021188) or equivalent to the interface of either case.
  32. Install the rear extension housing.
  33. Install the 8 bolts (93) into the rear extension housing (86).

    Tighten:  Tighten the bolts to 29 N.m (21 lb ft).

    34. Fig 21: View Of Shift Lever Rod Universal Joint, Damper & Select Shift Lever Retainer
    GM1413893Courtesy of GENERAL MOTORS CORP.
  34. Install a NEW select shift lever retainer (42), the damper (102) and shift lever rod universal joint (40) into the end of the shift selector.
    35. Fig 22: View Of Select Shift Lever Retainer & Pin
    GM1413892Courtesy of GENERAL MOTORS CORP.
  35. Install the shift lever pin (41).
  36. With suitable pliers, rotate the shift lever retainer (42) backward.
    37. Fig 23: Installing Retainer & Roll Pins
    GM1527253Courtesy of GENERAL MOTORS CORP.
  37. Stake the retainer (42) in place using pliers and 2 roll pins held in place with assembly lube.
    38. Fig 24: View Of Propshaft Flange, Fluid Seal And Flange Nut
    GM1921441Courtesy of GENERAL MOTORS CORP.
  38. Install the propshaft flange (108).
  39. Grease and install a NEW propshaft flange fluid seal (193).
  40. Install a NEW propshaft flange nut (126).
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