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Home >> Jeep >> 2023 >> Cherokee Trailhawk >> Repair and Diagnosis >> Transmission >> Transfer Case >> Power Transfer Unit (Service Information) >> Installation >> Installation - 3.2L

Installation - 3.2L

NOTE:

1-Speed PTU shown in illustration, 2-Speed PTU similar.

  1. Tip the right side upward and into the gap over the suspension cradle and align the PTU with the transmission output shaft.
    GC0176997Courtesy of CHRYSLER GROUP, LLC
    1 - Power Transfer Unit (PTU)
  2. Install the PTU to the transmission and engage the spline shaft into the transmission output shaft adapter.
    GC0159533Courtesy of CHRYSLER GROUP, LLC
    1 - PTU Bolts
    2 - PTU
  3. Install the bolts (1) to hold the PTU (2) to the transmission and tighten to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  4. Connect the wire harness connector to the actuator.
    GC0192270Courtesy of CHRYSLER GROUP, LLC
    1 - PTU Support Bracket
    2 - PTU Support Bracket Bolts
    NOTE:

    The PTU to block bracket has a sleeve that slides in the bracket, if the sleeve is seized in the bracket, the bracket must be replaced.

  5. Place the PTU support bracket in position on the PTU.
  6. Install the bolts to hold the PTU mount bracket to the engine block and oil pan, then tighten to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0159225Courtesy of CHRYSLER GROUP, LLC
    1 - PTU Support Bracket
    2 - PTU Support Bracket To PTU Bolts
  7. Install the bolts to hold the PTU support bracket to the PTU and tighten to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  8. Verify that the PTU is filled to the specified fluid level. Refer to POWER TRANSFER UNIT (PTU) FLUID FILL .
    GC0160149Courtesy of CHRYSLER GROUP, LLC
    1 - PTU Heat Shield
    2 - PTU Heat Shield Bolts
  9. Install the PTU heat shield and tighten the bolts to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0192236Courtesy of CHRYSLER GROUP, LLC
    1 - Driveshaft
  10. Connect the driveshaft to the PTU. Be sure the driveshaft is fully engaged to the PTU.
    GC0192273Courtesy of CHRYSLER GROUP, LLC
    1 - Rear Engine Mount Bracket Through Bolt
    2 - Rear Engine Mount Isolator
  11. Remove the rear insulator to engine mount bracket through bolt.
  12. Remove the support stand, rotate the powertrain to join the transmission pivot bracket to the rear engine mount isolator.
    GC0187209Courtesy of CHRYSLER GROUP, LLC
    1 - Rear Engine Mount Bracket Through Bolt And Nut
  13. Install the rear insulator to engine mount bracket through bolt and nut. Tighten to proper torque specification. Refer to TORQUE SPECIFICATIONS .
  14. Lower the vehicle.
    GC0160133Courtesy of CHRYSLER GROUP, LLC
    1 - Cylinder Head
    2 - Rear Catalytic Converter Upper Support Bracket
    3 - Rear Catalytic Converter
    4 - Rear Catalytic Converter Upper Support Bracket Bolt
    5 - Catalytic Converter To Cylinder Head Upper Flange Bolt
  15. Position the rear catalytic converter position on the retainer and against the cylinder head.
    GC0159740Courtesy of CHRYSLER GROUP, LLC
    1 - Rear Catalytic Converter Upper Support Bracket Bolt
    2 - Rear Catalytic Converter Upper Support Bracket
    3 - Rear Catalytic Converter
  16. Install the rear catalytic converter upper support bracket bolt and tighten to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0159476Courtesy of CHRYSLER GROUP, LLC
    1 - Upstream Oxygen Sensor Harness Connector
    2 - Downstream Oxygen Sensor Harness Connector
  17. Connect the upstream and the downstream oxygen sensor harness connectors.
  18. Install the air intake resonator. Refer to RESONATOR, AIR CLEANER, INSTALLATION .
  19. Raise the vehicle.
    GC0192243Courtesy of CHRYSLER GROUP, LLC
    1 - Exhaust Hanger Bolts
    2 - Exhaust Hanger
  20. Install the exhaust hanger and tighten the bolts to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0160127Courtesy of CHRYSLER GROUP, LLC
    1 - Crossunder Pipe
    2 - Gasket
    3 - Y-Pipe To Crossunder Pipe Nuts
    4 - Y-Pipe
    5 - Rear Catalytic Converter To Y-Pipe Nut
    6 - Gasket
  21. Install the rear catalytic converter to Y-pipe nuts and to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  22. Install the exhaust crossunder pipe. Refer to PIPE, EXHAUST CROSSUNDER, INSTALLATION .
  23. Install the right front halfshaft. Refer to FRONT HALFSHAFT, INSTALLATION .
  24. Lower the vehicle.
  25. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector to the negative battery cable.
  26. Verify that the transmission is filled to the specified fluid level. Refer to FLUID AND FILTER, STANDARD PROCEDURE .
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