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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Automatic Transaxle - 4T65-E - Overhaul) >> Repair Instructions >> Input Clutch Housing End Play Check (FWD Only) >> Checking Procedure

Checking Procedure

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    Fig 1: View Of J 33381-A
    GM10544Courtesy of GENERAL MOTORS CORP.
  1. Adjust the collar on tool J 33381-A  to the 4T65-E CLUTCH & DRUM setting. See Special Tools .
    2. Fig 2: Installing J 33381-A Into Input Clutch Housing
    GM10551Courtesy of GENERAL MOTORS CORP.
  2. Install J 33381-A  into the input clutch housing assembly (632). See Special Tools .
  3. Tighten the threaded rod of J 33381-A  until the rod is finger tight. See Special Tools .
  4. Use J 33381-A  in order to lift the input clutch housing assembly (632). See Special Tools . The sprag clutch assemblies will also be attached.
  5. Install the assembly (632) into the case. Be sure that the assembly is down all the way.
  6. Remove J 33381-A  from the assembly. See Special Tools .
    7. Fig 3: View Of J 26958, J 26958-10B & J 38385 Or J 43425
    GM417963Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The tool J 38385  (3) is used on a standard duty transmission and J 43425  (3) is used on a heavy duty transmission. See Special Tools .
  7. Install J 38385  (3) for a standard duty transmission or J 43425  (3) for a heavy duty transmission. See Special Tools .
    8. IMPORTANT: The tool J 26958-10B  (2) is model specific and can be used on a standard duty and a heavy duty transmission. See Special Tools . This tool has a small end (4) and a larger end (5). Standard duty would use the smaller end (4) facing down and a heavy duty would use the larger end (5) facing down.
  8. Install J 26958-10B  (2) depending on model. See Special Tools . Standard duty uses this tool with the smaller end (4) facing down. Heavy duty uses this tool with the larger end (5) facing down.
    9. IMPORTANT: Install bolts and tighten securely to prevent tool deflection during end play measurement.
  9. Install J 26958  (1) onto the case extension (6). See Special Tools .
    10. Fig 4: View Of J 33386-A Installed Onto Transmission Case
    GM417964Courtesy of GENERAL MOTORS CORP.
  10. Using two bolts, install J 33386-A  onto the case. See Special Tools .
  11. Tighten the bolts in order to securely hold J 33386-A  . See Special Tools .
  12. Tighten J 26958  finger tight in order to eliminate differential carrier end play. See Special Tools .
    13. Fig 5: Measuring Clearance Between J 33386-A & Thrust Washer
    GM417965Courtesy of GENERAL MOTORS CORP.
  13. Insert the thrust washer (630) from the input clutch housing into J 33386-A  as indicated. See Special Tools . If the thrush washer will not fit into J 33386-A  , select the next size smaller thrust washer and recheck. See Special Tools .
  14. Use a feeler gauge in order to measure the clearance between J 33386-A  and the thrust washer (630). See Special Tools .
    • If the clearance is less than 0.0521 mm (0.006 in), use the current size thrust washer.
    • If the clearance is 0.0521 mm (0.006 in) or more, select the next size larger thrust washer and recheck.

      Refer to the Bearing/Input Clutch Hub Selective Thrust Washer (630) Selection Guide in End Play Specifications  .

    15. Fig 6: Installing J 33381-A Into Input Clutch Housing
    GM10551Courtesy of GENERAL MOTORS CORP.
  15. Remove J 33386-A  . See Special Tools .
  16. Adjust the collar on tool J 33381-A  to the 4T65-E CLUTCH & DRUM setting. See Special Tools . Make sure that the threaded rod is fully loosened.
  17. Install J 33381-A  into the input clutch housing (632). See Special Tools .
  18. Tighten the threaded rod of J 33381-A  until the rod is finger tight. See Special Tools .
  19. Use J 33381-A  in order to lift the input clutch housing assembly (632). See Special Tools . The sprag clutch assemblies will also be attached.
  20. Remove the assembly (632) from the case.
    21. Fig 7: View Of J 26958, J 26958-10B & J 38385 Or J 43425
    GM417963Courtesy of GENERAL MOTORS CORP.
  21. Position the transmission so that the oil pan is facing down.
  22. Remove J 26958  (1), J 26958-10B  (2) and J 38385  (3) or J 43425  (3). See Special Tools .


    Fig 1: Identifying Final Drive Sun Gear Shaft
    GM630823Courtesy of GENERAL MOTORS CORP.
  1. Install the final drive sun gear shaft (689).
    2. Fig 2: View Of Park Gear Thrust Bearing & Park Gear
    GM630822Courtesy of GENERAL MOTORS CORP.
  2. Use J 36850  or equivalent in order to retain the parking gear thrust bearing (695) to the parking gear (696).
  3. Install the parking gear thrust bearing (695) and the parking gear (696).
    4. Fig 3: Identifying Final Drive Sun Gear
    GM677375Courtesy of GENERAL MOTORS CORP.
  4. Install the final drive sun gear (697).
    5. Fig 4: J 44472 Installed Onto Transmission Case
    GM677377Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Install bolts and tighten securely to prevent tool deflection during end play measurement.
  5. Install J 44472  . See Special Tools .
    6. Fig 5: View Of J 33381-A
    GM10544Courtesy of GENERAL MOTORS CORP.
  6. Adjust the collar on tool J 33381-A  to the 4T65-E CLUTCH & DRUM setting. See Special Tools .
    7. Fig 6: Installing J 33381-A Into Input Clutch Housing
    GM10551Courtesy of GENERAL MOTORS CORP.
  7. Install J 33381-A  into the input clutch housing assembly (632). See Special Tools .
  8. Tighten the threaded rod of J 33381-A  until the rod is finger tight. See Special Tools .
  9. Use J 33381-A  in order to lift the input clutch housing assembly (632). See Special Tools . The sprag clutch assemblies will also be attached.
  10. Install the assembly (632) into the case. Be sure that the assembly is down all the way.
  11. Remove J 33381-A  from the assembly. See Special Tools .
    12. Fig 7: View Of J 33386-A Installed Onto Transmission Case
    GM417964Courtesy of GENERAL MOTORS CORP.
  12. Using two bolts, install J 33386-A  onto the case. See Special Tools .
  13. Tighten the bolts in order to securely hold J 33386-A  . See Special Tools .
  14. Tighten J 44472  finger tight in order to eliminate differential carrier end play. See Special Tools .
    15. Fig 8: Measuring Clearance Between J 33386-A & Thrust Washer
    GM417965Courtesy of GENERAL MOTORS CORP.
  15. Insert the thrust washer (630) from the input clutch housing into J 33386-A  as indicated. See Special Tools . If the thrush washer will not fit into J 33386-A  , select the next size smaller thrust washer and recheck. See Special Tools .
  16. Use a feeler gauge in order to measure the clearance between J 33386-A  and the thrust washer (630). See Special Tools .
    • If the clearance is less than 0.0521 mm (0.006 in), use the current size thrust washer.
    • If the clearance is 0.0521 mm (0.006 in) or more, select the next size larger thrust washer and recheck.

      Refer to the Bearing/Input Clutch Hub Selective Thrust Washer (630) Selection Guide in End Play Specifications  .

    17. Fig 9: Installing J 33381-A Into Input Clutch Housing
    GM10551Courtesy of GENERAL MOTORS CORP.
  17. Remove J 33386-A  . See Special Tools .
  18. Adjust the collar on tool J 33381-A  to the 4T65-E CLUTCH & DRUM setting. See Special Tools . Make sure that the threaded rod is fully loosened.
  19. Install J 33381-A  into the input clutch housing (632). See Special Tools .
  20. Tighten the threaded rod of J 33381-A  until the rod is finger tight. See Special Tools .
  21. Use J 33381-A  in order to lift the input clutch housing assembly (632). See Special Tools . The sprag clutch assemblies will also be attached.
  22. Remove the assembly (632) from the case.
    23. Fig 10: View Of J 44472
    GM677378Courtesy of GENERAL MOTORS CORP.
  23. Position the transmission so that the oil pan is facing down.
  24. Remove J 44472  . See Special Tools .
    25. Fig 11: Locating Final Drive Sun Gear
    GM630819Courtesy of GENERAL MOTORS CORP.
  25. Remove the final drive sun gear (697).
    26. Fig 12: View Of Park Gear Thrust Bearing & Park Gear
    GM630822Courtesy of GENERAL MOTORS CORP.
  26. Remove the parking gear (696) and the parking gear thrust bearing (695).
    27. Fig 13: Identifying Final Drive Sun Gear Shaft
    GM630823Courtesy of GENERAL MOTORS CORP.
  27. Remove the final drive sun gear shaft (689).
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