Liberty, Wrangler 2006-2007

Transmission Removal & Installation

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Nsg370



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect negative battery cable.
  4.  
  5. With vehicle in neutral, position vehicle on hoist.
  6.  
  7. Remove drain plug and drain fluid.
  8.  
  9. Mark installation reference marks on driveshafts and remove shafts.
  10.  
  11. Remove transfer case shift linkage, wiring connector, and vent hose, if equipped.
  12.  
  13. Remove transfer case, if equipped.
  14.  
  15. Support transmission with jack.
  16.  
  17. Remove transmission mount and crossmember.
  18.  
  19. Remove catalyst assembly.
  20.  
  21. Remove clutch slave cylinder nuts and remove cylinder.
  22.  
  23. Remove backup lamp switch wiring connector.
  24.  
  25. Remove shift lever tower bolts and remove shift lever tower.
  26.  
  27. Remove starter bolts and remove starter.
  28.  
  29. Remove transmission bolt and remove transmission.
  30.  

To install:

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Fig. Front driveshaft-Wrangler



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Fig. Rear driveshaft-Wrangler, except Rubicon



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Fig. Rear driveshaft-Rubicon

  1. Install transmission on engine.
  2.  
  3. On 2.4L engine tighten bolts to 55 ft. lbs. (75 Nm). Install lower dust shield and tighten bolts to 25 ft. lbs. (34 Nm).
  4.  
  5. On 4.0L engine tighten bolts to 27 ft. lbs. (37 Nm). Install side and lower dust shield and tighten bolts to 43 ft. lbs. (58 Nm).
  6.  
  7. Clean shift tower and mating surface then apply Mopar® Gasket Maker, or equivalent, to shift tower.
  8.  
  9. Install shift tower and tighten bolts to 7 ft. lbs. (10 Nm).
  10.  
  11. Install backup lamp wiring connector.
  12.  
  13. Install clutch slave cylinder and mounting nuts.
  14.  
  15. Install catalyst assembly on 2.4L engine.
  16.  
  17. Install transmission cross member and tighten bolts to 35 ft. lbs. (47 Nm). Install transmission mount bolts and tighten to 35 ft. lbs. (47 Nm).
  18.  
  19. Install transfer case, if equipped.
  20.  
  21. Install transfer case shift linkage.
  22.  
  23. Install transfer case wiring connector and vent hose.
  24.  
  25. Install driveshafts with reference marks aligned. Torque as follows:

    Front driveshaft to axle: 14 ft. lbs. (19 Nm)
     
    Front driveshaft to transfer case: 20 ft. lbs. (27 Nm)
     
    Rear driveshaft to axle: 14 ft. lbs. (19 Nm)
     
    Rear driveshaft to transfer case (Rubicon): 85 ft. lbs. (115 Nm)
     

  26.  
  27. Remove fill plug and fill transmission with lubricant.

    Click image to see an enlarged view

    Fig. Adapter opening detail-Wrangler



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    Fig. Location of adapter opening-Wrangler

  28.  
  29. Locate narrow adapter plate opening towards the rear of the engine and top of the transmission bell housing from the driver-s side of the engine compartment.
  30.  
  31. Thoroughly clean around the adapter opening with throttle body cleaner and allow cleaner to dry.
  32.  
  33. With your finger, apply a sufficient amount of RTV over the spacer opening. Verify that the adapter opening is completely sealed off by the RTV.
  34.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect negative battery cable.
  4.  
  5. With vehicle in neutral, position vehicle on hoist.
  6.  
  7. Remove drain plug and drain fluid.
  8.  
  9. Mark installation reference marks on propeller shaft/shafts and remove shafts.
  10.  
  11. Remove transfer case shift cable bracket nuts, cable, wiring connector, and vent hose, if equipped.
  12.  
  13. Remove transfer case, if equipped.
  14.  
  15. Support transmission with jack.
  16.  
  17. Remove transmission mount and crossmember.
  18.  
  19. On 2.4L engine remove catalyst assembly.
  20.  
  21. Remove clutch slave cylinder nuts and remove cylinder.
  22.  
  23. Remove backup lamp switch wiring connector.
  24.  
  25. Remove shift lever tower bolts and remove shift lever housing.
  26.  
  27. Remove starter bolts and remove starter.
  28.  
  29. Remove transmission bolt and remove transmission.

    Click image to see an enlarged view

    Fig. Exploded view of the transmission mounting-Liberty 2.8L diesel



    Click image to see an enlarged view

    Fig. Exploded view of the transmission mounting-Liberty 3.7L

  30.  

To install:

  1. Install transmission on engine.
  2.  
  3. On 3.7L engine tighten bolts to 30 ft. lbs. (41 Nm). Tighten bolts to 50 ft. lbs. (67 Nm). Tighten bolts to 40 ft. lbs. (54 Nm).
  4.  
  5. On 2.4L engine tighten bolts to 55 ft. lbs. (75 Nm). Install lower dust shield and tighten bolts to 25 ft. lbs. (34 Nm)
  6.  
  7. On 2.8L diesel engine tighten bolts to 30 ft. lbs. (41 Nm). Tighten bolts to 50 ft. lbs. (67 Nm). Tighten bolts to 40 ft. lbs. (54 Nm).
  8.  
  9. Clean shift tower and mating surface then apply Mopar® Gasket Maker to shift tower.
  10.  
  11. Install shift tower and tighten bolts to 7 ft. lbs. (10 Nm).
  12.  
  13. Install back-up lamp wiring connector.
  14.  
  15. Install clutch slave cylinder and mounting nuts.
  16.  
  17. Install catalyst assembly on 2.4L engine.
  18.  
  19. Install transmission crossmember and tighten bolts to 35 ft. lbs. (47 Nm). Install transmission mount bolts and tighten to 35 ft. lbs. (47 Nm).
  20.  
  21. Install transfer case, if equipped.
  22.  
  23. Install transfer case shift cable on 2.4L. Install transfer case shift linkage on 3.7L.
  24.  
  25. Install transfer case wiring connector and vent hose.
  26.  
  27. Install propeller shaft/shafts with reference marks aligned.
  28.  
  29. Remove fill plug and fill transmission with lubricant.
  30.  

 
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