Question about 2002 Jeep Liberty

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What all do i have to remove to replace the heater cot 2002 jeep liberty

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  • Jeep Master
  • 17,970 Answers

Check this procedure...

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect and remove the negative battery.
    CAUTION After disconnecting the negative battery cable, wait 2 minutes for the driver-s/passenger-s air bag system capacitor to discharge before attempting to do any work around the steering column or instrument.
  3. Drain the cooling system into a clean container for reuse.
  4. Remove the instrument panel by performing the following procedure:
    1. Turn the steering wheel in the straight-ahead position.
    2. Remove the A-pillar trim from both sides of the vehicle.
    3. Remove the top cover from the instrument panel.
    4. Remove the speakers.
    5. Remove the floor console.
    6. Remove the radio.
    7. Remove the center support bracket.
    8. Remove the trim panels from both sides of the inner cowl.
    9. Remove the fuse cover from the junction box.
    10. Remove the instrument panel cluster bezel.
    11. Remove the steering column opening cover from the instrument panel.
    12. Remove the steering column bracket from the instrument panel column support bracket.
    13. Remove the lower steering column shroud cover-to-multifunction switch screw; then, unsnap both halves of the shroud cover from the steering column.
    14. Disconnect the instrument panel wiring harness connectors from the following steering column components:
      Both lower clockspring connector receptacles Left multifunction switch receptacle Right multifunction switch receptacle Both ignition switch receptacles Shifter interlock solenoid receptacle Sentry Key Immobilizer Module (SKIM) receptacle, if equipped
    15. Turn the ignition switch to ON position; then, release and remove the shifter interlock cable connector from the ignition lock housing receptacle.
    16. Turn the ignition switch to OFF position; this will prevent the steering wheel from turning and the loss of the clockspring centering following steering column removal.
    17. Remove the 4 steering column-to-instrument panel steering column bracket nuts.
    18. Remove the steering column from the instrument panel.

  5. Remove the driver-s side cowl trim cover.
  6. Disconnect the green and light blue wire harness bulk connectors at the junction block.
  7. Disconnect the electrical connector at the inner side of the pedal support bracket.
  8. Remove the 2 bolts from the front and the 2 from the side of the pedal support bracket.
  9. Remove the glove box.
  10. Remove the 2 HVAC mounting bolts behind the center trim.
  11. Remove the passenger trim bezel.
  12. Remove the HVAC mount bolt above the glove box.
  13. Remove the HVAC bolt at the lower outside glove box opening.
  14. Remove the passenger trim cover, disconnect the blower resistor, remove the rolldown brackets at the right cowl side panel.
  15. Disconnect the vacuum check valve and the vacuum reservoir.
  16. Disconnect the blower connectors.
  17. Remove the 4 top bolts connecting the instrument panel to the cowl.
  18. Roll the instrument panel rearward and disconnect the wiring.
  19. Remove the panel.
  20. Discharge and recover the air conditioning system refrigerant.
  21. Disconnect the air conditioning system lines at the evaporator. Plug the openings to prevent contamination.
  22. Disconnect the heater hoses from the heater core. Plug the openings to prevent coolant loss.
  23. If equipped with a manual temperature control system, unplug the heater/air conditioning system vacuum supply line connector from the T-fitting located near the heater core tubes.
  24. Remove all remaining fasteners and connections and remove the HVAC unit.
  25. Disconnect all remaining hoses and wires.
  26. Remove the blower motor.
  27. Pop out the grommet on the vacuum supply line and slide hole.
  28. Remove the foam gasket from around the heater core tubes.
  29. Pry off the 4 snap clips that hold the halves of the unit together and separate the unit halves.
  30. Installation is the reverse of removal.
  31. Refill the cooling system.
  32. Connect the negative battery.
  33. Evacuate, charge and leak test the system.
  34. Run the engine to normal operating temperatures. Check the climate control operation and check for leaks.

    what all do i have - 9f432b0.jpg

    Fig. HVAC case components-Liberty

Also we could send the service manual; confirm us if you are interesting.

I hope helps, remember to rate this answer.

Posted on Oct 07, 2010

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