Liberty, Wrangler, 1997-2005

Transmission Removal & Installation

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  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the transmission fluid.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Exhaust front pipe
     
    Transmission braces, if equipped
     
    Transmission oil cooler lines
     
    Starter motor
     
    Crankshaft Position (CKP) sensor
     
    Torque converter access cover
     
    Transmission oil pan
     
    Skid plate
     
    Transmission oil dipstick tube
     
    Propeller shafts after matchmarking them
     
    Park/Neutral switch connector
     
    Shift cable
     
    Throttle valve cable
     
    Shift rod from the transfer case shift lever
     
    Crossmember
     
    Transfer case vent hose
     
    Transfer case
     

  6.  
  7. Slide the transmission/torque converter assembly rearward off the engine dowels
  8.  
  9. Lower and remove the transmission assembly
  10.  

To install:

  1. Install or connect the following:

    Transmission. Torque the flange bolts to 55 ft. lbs. (75 Nm).
     
    Front driveshaft and transfer case, if equipped
     
    Transfer case vent hose
     
    Transmission mount and crossmember
     
    Throttle valve cable
     
    Shift cable
     
    Park/Neutral switch connector
     
    Propeller shafts using the matchmarks made during removal
     
    Transmission oil dipstick tube
     
    Skid plate
     
    Transmission oil pan
     
    Torque converter access cover
     
    CKP sensor
     
    Starter motor
     
    Transmission oil cooler lines
     
    Transmission braces, if equipped. Torque the bolts to 30 ft. lbs. (41 Nm).
     
    Exhaust front pipe
     
    Negative battery cable
     

  2.  
  3. Fill the transmission with the proper fluid.
  4.  
  5. Start the vehicle, check for leaks and repair if necessary.
  6.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Raise and support the vehicle
  6.  
  7. Remove any necessary skid plates.
  8.  
  9. Mark propeller shaft and axle companion flanges for assembly alignment.
  10.  
  11. Remove the rear propeller shaft.
  12.  
  13. Remove the front propeller shaft, if necessary.
  14.  
  15. Disconnect wires from the input and output speed sensors.
  16.  
  17. Disconnect wires from the transmission range sensor and the solenoid/pressure switch assembly.
  18.  
  19. Remove the bolts holding the exhaust crossover pipe to the pre-catalytic converter pipe flanges.
  20.  
  21. Remove the bolts holding the exhaust crossover pipe to the catalytic converter flange.
  22.  
  23. Disconnect gearshift cable from transmission manual valve lever.
  24.  
  25. Disengage the shift cable from the cable support bracket.
  26.  
  27. Remove the starter motor.
  28.  
  29. Remove the engine to transmission collar.
  30.  
  31. Rotate crankshaft in clockwise direction until converter bolts are accessible. Then remove bolts one at a time. Rotate crankshaft with socket wrench on dampener bolt.
  32.  
  33. Disconnect the transmission vent hose from the transmission.
  34.  
  35. Remove transfer case.
  36.  
  37. Support rear of engine with safety stand or jack.
  38.  
  39. Raise transmission slightly with service jack to relieve load on crossmember and supports.
  40.  
  41. Remove bolts securing rear support and cushion to transmission and crossmember.
  42.  
  43. Remove bolts attaching crossmember to frame and remove crossmember.
  44.  
  45. Disconnect transmission fluid cooler lines at transmission fittings and clips.
  46.  
  47. Remove all remaining converter housing bolts.
  48.  
  49. Carefully work transmission and torque converter assembly rearward off engine block dowels.
  50.  
  51. Hold torque converter in place during transmission removal.
  52.  
  53. Lower transmission and remove assembly from under the vehicle.
  54.  
  55. To remove torque converter, carefully slide torque converter out of the transmission.

    Click image to see an enlarged view

    Fig. Rear transmission crossmember-2004-05 Liberty



    Click image to see an enlarged view

    Fig. Transmission shift cables-2004-05 Liberty



    Click image to see an enlarged view

    Fig. Transmission collar-2004-05 Liberty

  56.  

To install:

  1. Check torque converter hub and hub drive flats for sharp edges burrs, scratches, or nicks. Polish the hub and flats with 320/400 grit paper and crocus cloth if necessary. Verify that the converter hub O-ring is properly installed and is free of any debris. The hub must be smooth to avoid damaging pump seal at installation.
  2.  
  3. If a replacement transmission is being installed, transfer any components necessary, such as the manual shift lever and shift cable bracket, from the original transmission onto the replacement transmission.
  4.  
  5. Lubricate oil pump seal lip with transmission fluid.
  6.  
  7. Align converter and oil pump.
  8.  
  9. Carefully insert converter in oil pump. Then rotate converter back and forth until fully seated in pump gears.
  10.  
  11. Check converter seating with steel scale and straightedge. Surface of converter lugs should be at least 13mm ( 1 / 2 in.) to rear of straightedge when converter is fully seated.
  12.  
  13. Temporarily secure converter with C-clamp.
  14.  
  15. Position transmission on jack and secure it with chains
  16.  
  17. Check condition of converter driveplate. Replace the plate if cracked, distorted or damaged.
    NOTE
    Be sure transmission dowel pins are seated in engine block and protrude far enough to hold transmission in alignment.

  18.  
  19. Apply a light coating of Mopar® High Temp Grease to the torque converter hub pocket in the rear pocket of the engine-s crankshaft.
  20.  
  21. Raise transmission and align the torque converter with the drive plate and transmission converter housing with the engine block.
  22.  
  23. Move transmission forward. Then raise, lower or tilt transmission to align the converter housing with engine block dowels.
  24.  
  25. Carefully work transmission forward and over engine block dowels until converter hub is seated in crankshaft. Verify that no wires, or the transmission vent hose, have become trapped between the engine block and the transmission.
  26.  
  27. Install two bolts to attach the transmission to the engine.
  28.  
  29. Install remaining torque converter housing to engine bolts. Tighten to 50 ft. lbs. (68 Nm).
  30.  
  31. Install transfer case, if equipped. Tighten transfer case nuts to 26 ft. lbs. (35 Nm).
  32.  
  33. Install rear transmission crossmember. Tighten crossmember to frame bolts to 50 ft. lbs. (68 Nm).
  34.  
  35. Install rear support to transmission. Tighten bolts to 35 ft. lbs. (47 Nm).
  36.  
  37. Lower transmission onto crossmember and install bolts attaching transmission mount to crossmember. Tighten clevis bracket to crossmember bolts to 35 ft. lbs. (47 Nm). Tighten the clevis bracket to rear support bolt to 50 ft. lbs. (68 Nm).
  38.  
  39. Remove engine support fixture.
  40.  
  41. Connect gearshift cable to support bracket and transmission manual lever.
  42.  
  43. Connect input and output speed sensor wires.
  44.  
  45. Connect wires to the transmission range sensor and the solenoid/pressure switch assembly.
  46.  
  47. Install torque converter-to-driveplate bolts. Tighten bolts to 65 inch lbs. (88 Nm).
  48.  
  49. Install starter motor and cooler line bracket.
  50.  
  51. Connect cooler lines to transmission.
  52.  
  53. Install transmission fill tube.
  54.  
  55. Install exhaust components.
  56.  
  57. Align and connect propeller shaft(s).
  58.  
  59. Adjust gearshift cable if necessary.
  60.  
  61. Install any skid plates removed previously.
  62.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect battery negative cable.
  4.  
  5. Raise and support vehicle.
  6.  
  7. Disconnect and lower or remove necessary exhaust components.
  8.  
  9. Remove engine-to-transmission bending braces or engine collar.
  10.  
  11. Remove starter motor.
  12.  
  13. On 4.0L engine equipped vehicles, disconnect and remove crankshaft position sensor. Retain sensor attaching bolt.
    NOTE
    The crankshaft position sensor can be damaged during transmission removal (or installation) if the sensor is left in place. To avoid damage, remove the sensor before removing the transmission.

  14.  
  15. If transmission is being removed for overhaul, remove transmission oil pan, drain fluid and reinstall pan.
  16.  
  17. Remove torque converter access cover.
  18.  
  19. Rotate crankshaft in clockwise direction until converter bolts are accessible. Then remove bolts one at a time. Rotate crankshaft with socket wrench on dampener bolt.
  20.  
  21. Mark propeller shaft and axle yokes for assembly alignment. Then disconnect and remove propeller shafts.
  22.  
  23. Disconnect wires from the input and output speed sensors.
  24.  
  25. Disconnect wires from the transmission range sensor and the solenoid/pressure switch assembly.
  26.  
  27. Disconnect gearshift cable from transmission manual valve lever.
  28.  
  29. Disconnect shift rod from transfer case shift lever or remove shift lever from transfer case.
  30.  
  31. Support rear of engine with safety stand or jack.
  32.  
  33. Raise transmission slightly with service jack to relieve load on skid plate and transmission support.
  34.  
  35. Remove bolts securing rear support and cushion to transmission and skid plate. Raise transmission slightly, slide exhaust hanger arm from bracket and remove rear support.
  36.  
  37. Remove bolts attaching skid plate to frame and remove skid plate.
  38.  
  39. Disconnect transfer case vent hose.
  40.  
  41. Remove transfer case.
  42.  
  43. Remove fill tube bracket bolts and pull tube out of transmission. Retain fill tube seal. Remove the bolt attaching transfer case vent tube to converter housing.
  44.  
  45. Disconnect fluid cooler lines at transmission.
  46.  
  47. Remove all converter housing bolts.
  48.  
  49. Carefully work transmission and torque converter assembly rearward off engine block dowels.
  50.  
  51. Hold torque converter in place during transmission removal.
  52.  
  53. Lower transmission and remove assembly from under the vehicle.
  54.  
  55. To remove torque converter, carefully slide torque converter out of the transmission.
  56.  

To install:

  1. Check torque converter hub and hub drive notches for sharp edges burrs, scratches, or nicks. Polish the hub and notches with 320/400 grit paper and crocus cloth if necessary. The hub must be smooth to avoid damaging pump seal at installation.
  2.  
  3. Lubricate converter drive hub and oil pump seal lip with transmission fluid.
  4.  
  5. Align converter and oil pump.
  6.  
  7. Carefully insert converter in oil pump. Then rotate converter back and forth until fully seated in pump gears.
  8.  
  9. Check converter seating with steel scale and straightedge. Surface of converter lugs should be 1 / 2 in. to rear of straightedge when converter is fully seated.
  10.  
  11. Temporarily secure converter with C-clamp.
  12.  
  13. Lightly grease crankshaft flange hole.
  14.  
  15. Position transmission on jack and secure it with safety chains.
  16.  
  17. Check condition of converter driveplate. Replace the plate if cracked, distorted or damaged.
    NOTE
    Be sure transmission dowel pins are seated in engine block and protrude far enough to hold transmission in alignment.

  18.  
  19. Raise transmission and align converter with drive plate and converter housing with engine block.
  20.  
  21. Move transmission forward. Then raise, lower or tilt transmission to align converter housing with engine block dowels.
  22.  
  23. Carefully work transmission forward and over engine block dowels until converter hub is seated in crankshaft.
  24.  
  25. Install and tighten bolts that attach transmission converter housing to engine block to 40 ft. lbs. (54 Nm).
    NOTE
    Be sure the converter housing is fully seated on the engine block dowels before tightening any bolts.

  26.  
  27. Install torque converter attaching bolts. Tighten bolts to 65 ft. lbs. (88 Nm).
  28.  
  29. On 4.0L engine equipped vehicles, install the crankshaft position sensor.
  30.  
  31. Install transmission fill tube and seal. Install new fill tube seal in transmission before installation.
  32.  
  33. Connect transmission cooler lines to transmission.
  34.  
  35. Install transfer case onto transmission.
  36.  
  37. Install skid plate. Torque to 33 ft. lbs. (45 Nm). Attach transmission rear support to skid plate. Torque to 26 ft. lbs. (33 Nm).
  38.  
  39. Remove engine support fixture.
  40.  
  41. Remove transmission jack.
  42.  
  43. Connect input and output speed sensor wires.
  44.  
  45. Connect wires to the transmission range sensor and the solenoid/pressure switch assembly.
  46.  
  47. Install converter housing access cover.
  48.  
  49. Install exhaust pipes and support brackets, if removed.
  50.  
  51. Install starter motor and cooler line bracket.
  52.  
  53. Install new plastic retainer grommet on any shift linkage rod or lever that was disconnected. Grommets should not be reused. Use pry tool to remove rod from grommet and cut away old grommet. Use pliers to snap new grommet into lever and to snap rod into grommet at assembly.
  54.  
  55. Connect gearshift cable.
  56.  
  57. Connect transfer case shift linkage.
  58.  
  59. Adjust gearshift linkage, if necessary.
  60.  
  61. Align and connect propeller shaft(s).
  62.  
  63. Fill transfer case to bottom edge of fill plug hole.
  64.  
  65. Lower vehicle and connect battery negative cable.
  66.  
  67. Fill transmission to correct level with Mopar® ATF +4.
  68.  

30/32rh Transmission





Click image to see an enlarged view

Fig. Crankshaft position sensor for the 2.5L engine



Click image to see an enlarged view

Fig. Crankshaft position sensor for the 4.0L engine


CAUTION
The transmission and torque converter must be removed as an assembly to avoid component damage. The converter drive plate, pump bushing, or oil seal can be damaged if the converter is left attached to the driveplate during removal.

  1. Disconnect battery negative cable.
  2.  
  3. Disconnect and lower or remove necessary exhaust components.
  4.  
  5. Remove engine-to-transmission bending braces.
  6.  
  7. Disconnect fluid cooler lines at transmission.
  8.  
  9. Remove starter motor.
  10.  
  11. Disconnect and remove crankshaft position sensor. Retain sensor attaching bolts.
    CAUTION
    The crankshaft position sensor can be damaged during transmission removal (or installation) if the sensor is still bolted to the engine block. To avoid damage, remove the sensor before removing the transmission

  12.  
  13. Remove torque converter access cover.
  14.  
  15. If transmission is being removed for overhaul, remove transmission oil pan, drain fluid and reinstall pan.
  16.  
  17. Remove skid plate for access, if necessary.
  18.  
  19. Remove fill tube bracket bolts and pull tube out of transmission. Retain fill tube seal. On 4 x 4 models, it will also be necessary to remove bolt attaching transfer case vent tube to converter housing. Mark torque converter and drive plate for assembly alignment. Note that bolt holes in crankshaft flange, drive plate and torque converter all have one offset hole. Rotate crankshaft in clockwise direction until converter bolts are accessible. Then remove bolts one at a time. Rotate crankshaft with socket wrench on dampener bolt.
  20.  
  21. Mark propeller shaft and axle yokes for assembly alignment. Then disconnect and remove propeller shaft. On 4 x 4 models, remove both propeller shafts.
  22.  
  23. Disconnect wires from park/neutral position switch and vehicle speed sensor.
  24.  
  25. Disconnect gearshift cable from transmission manual valve lever.
  26.  
  27. Disconnect throttle valve cable from transmission bracket and throttle valve lever.
  28.  
  29. On 4 x 4 models, disconnect shift rod from transfer case shift lever or remove shift lever from transfer case.
  30.  
  31. Support rear of engine with safety stand or jack.
  32.  
  33. Raise transmission slightly with service jack to relieve load on crossmember and supports.
  34.  
  35. Remove bolts securing rear support and cushion to transmission and crossmember. Raise transmission slightly, slide exhaust hanger arm from bracket and remove rear support.
  36.  
  37. Remove bolts attaching crossmember to frame and remove crossmember.
  38.  
  39. Disconnect transfer case vent hose. Then disconnect vacuum switch harness.
  40.  
  41. On 4 x 4 models, remove transfer case.
  42.  
  43. Remove all converter housing bolts.
  44.  
  45. Carefully work transmission and torque converter assembly rearward off engine block dowels.
  46.  
  47. Hold torque converter in place during transmission removal.
  48.  
  49. Lower transmission and remove assembly from under the vehicle.
  50.  
  51. To remove torque converter, carefully slide torque converter out of the transmission.
  52.  

To install:

  1. Check torque converter hub and hub drive notches for sharp edges burrs, scratches, or nicks. Polish the hub and notches with 320/400 grit paper and crocus cloth if necessary.
  2.  
  3. The hub must be smooth to avoid damaging pump seal at installation.
  4.  
  5. Lubricate converter drive hub and oil pump seal lip with transmission fluid.
  6.  
  7. Lubricate converter pilot hub with transmission fluid.
  8.  
  9. Align converter and oil pump.
  10.  
  11. Carefully insert converter in oil pump. Then rotate converter back and forth until fully seated in pump gears.
  12.  
  13. Check converter seating with steel scale and straightedge Surface of converter lugs should be 1 / 2 inch to rear of straightedge when converter is fully seated.
  14.  
  15. Temporarily secure converter with C-clamp. Position transmission on jack and secure it with safety chains.
  16.  
  17. Check condition of converter driveplate. Replace the plate if cracked, distorted or damaged. Also be sure transmission dowel pins are seated in engine block and protrude far enough to hold transmission in alignment.
  18.  
  19. Raise transmission and align converter with drive plate and converter housing with engine block.
  20.  
  21. Move transmission forward. Then raise, lower or tilt transmission to align converter housing with engine block dowels.
  22.  
  23. Rotate converter so alignment marks scribed on converter are aligned with mark on driveplate.
  24.  
  25. Carefully work transmission forward and over engine block dowels until converter hub is seated in crankshaft.
  26.  
  27. Install and tighten bolts that attach transmission converter housing to engine block
    CAUTION
    Be sure the converter housing is fully seated on the engine block dowels before tightening any bolts

  28.  
  29. Install torque converter attaching bolts. Tighten bolts to following torque.

    40 ft. lbs. (54 Nm) with 9.5 in. 3-lug converter
     
    55 ft. lbs. (74 Nm) with 9.5 in. 4-lug converter
     
    55 ft. lbs. (74 Nm) with 10.0 in. 4-lug converter
     
    270 inch lbs. (31 Nm) with 10.75 in. 4-lug converter
     

  30.  
  31. Install crankshaft position sensor.
  32.  
  33. Install transmission fill tube and seal. Install new fill tube seal in transmission before installation.
  34.  
  35. Connect transmission cooler lines to transmission.
  36.  
  37. Install transfer case onto transmission.
  38.  
  39. Install rear crossmember and attach transmission rear support to crossmember.
  40.  
  41. Remove engine support fixture.
  42.  
  43. Remove transmission jack.
  44.  
  45. Connect vehicle speed sensor wires.
  46.  
  47. Connect wires to park/neutral position switch.
  48.  
  49. Install crankshaft position sensor.
  50.  
  51. Install converter housing access cover.
  52.  
  53. Install exhaust pipes and support brackets, if removed.
  54.  
  55. Install starter motor and cooler line bracket.
  56.  
  57. Install new plastic retainer grommet on any shift linkage rod or lever that was disconnected. Grommets should not be reused. Use pry tool to remove rod from grommet and cut away old grommet. Use pliers to snap new grommet into lever and to snap rod into grommet at assembly.
  58.  
  59. Connect gearshift and linkage and throttle cable.
  60.  
  61. Connect transfer case shift linkage.
  62.  
  63. Adjust gearshift linkage and throttle valve cable if necessary.
  64.  
  65. Align and connect propeller shaft(s)
  66.  
  67. Install skid plate, rear cushion and bracket, if removed.
  68.  
  69. Fill transfer case to bottom edge of fill plug hole.
  70.  
  71. Lower vehicle and fill transmission to correct level with Mopar® ATF Plus 3, type 7176 fluid.
  72.  

 
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