GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 Vibe - FWD 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 HVAC Module Assembly Replacement

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.

  1. Disconnect the negative battery cable.
  2. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  3. Drain the engine cooling system. Refer to Cooling System Draining and Filling.

    4. Object Number: 2015106 Size: SH

    Note: Cap the open fittings in order to prevent dirt and moisture from entering the refrigeration system.

  4. Remove the bolt (1) and slide the hook connector.
  5. Remove the evaporator inlet and outlet tubes (1) from the evaporator.
  6. Remove the O-ring from the tube assembly.

    7. Object Number: 2015108 Size: SH
  7. Remove the heater hoses (1, 2) at the heater core.
  8. Remove the instrument panel assembly. Refer to Instrument Panel Upper Trim Pad Replacement and Instrument Panel Lower Trim Panel Replacement.

    9. Object Number: 2015111 Size: SH
  9. Remove the clip (1).
  10. Turn back the driver side floor carpet (2).

    11. Object Number: 2015243 Size: SH
  11. Disengage the two clips (1) and remove the driver side rear air duct (2).

    12. Object Number: 2015114 Size: SH
  12. Remove the clip (1).
  13. Turn back the passenger side floor carpet (2).

    14. Object Number: 2015119 Size: SH
  14. Disengage the two clips (1) and remove the passenger side rear air duct (2).

    15. Object Number: 2015121 Size: SH
  15. Disengage the four clips (1) and remove the center air duct (2).

    16. Object Number: 2015122 Size: SH
  16. Disengage the six retainers (1) from the defroster air duct (2).

    17. Object Number: 2015125 Size: SH
  17. Remove the two nuts (1).
  18. Remove the defroster air duct (2).

    19. Object Number: 2015128 Size: SH
  19. Remove the two bolts (1) and the center instrument panel to cowl brace (2).
  20. Remove the theft deterrent module. Refer to Theft Deterrent Module Replacement.
  21. Remove the power steering control module. Refer to Electronic Power Steering Motor Control Module Replacement.

    22. Object Number: 2015133 Size: SH
  22. Remove the two bolts (1).
  23. Disconnect the electrical connector (3).
  24. Disengage the clamps (2).

    25. Object Number: 2015137 Size: SH
  25. Remove the two screws (2).
  26. Remove the two bolts (3).
  27. Remove the two nuts (1).
  28. Remove the instrument panel brace (4).

    29. Object Number: 2032440 Size: SH
  29. Remove the 2 bolts (2), (3) and instrument panel sub reinforcement (1).
  30. Separate the wire harness clamps from the steering column.

    31. Object Number: 2032455 Size: MH
  31. Remove the bolt (3) and the 2 nuts (1, 2) from the steering column assembly.
  32. Lower the steering column.

    33. Object Number: 2022908 Size: SH
  33. Disconnect the SDM connectors (1).

    34. Object Number: 2015138 Size: SH
  34. Disengage the clamps (1) and the wire harness.

    35. Object Number: 2015140 Size: MH
  35. Disconnect the electrical connectors (3).
  36. Disengage the clamps (2).
  37. Remove the nine bolts (1) and disengage wire harness and junction block.

    38. Object Number: 2153766 Size: SH
  38. Remove the seven bolts (1).

    39. Object Number: 2015142 Size: SH
  39. Remove the three bolts (2).
  40. Remove the instrument panel reinforcement assembly (1).

    41. Object Number: 2015145 Size: SH
  41. Disengage the drain cooler hose.
  42. Remove the bolt (1).
  43. Remove the nut (2).

    44. Note: Be sure to support the HVAC module assembly when removing it because failure to do so may cause the bracket of the HVAC module assembly to break.

    Note: When disassembling the HVAC module assembly, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.

  44. Remove the HVAC module assembly from the vehicle.

    45. Object Number: 2015148 Size: SH
  45. Disengage the two clips (1).
  46. Remove the air duct (2) from the HVAC module.
  47. Remove the blower case from the HVAC module. Refer to Blower Case Replacement.

    48. Object Number: 2015166 Size: SH
  48. Disengage the clamps (1) from the PTC quick heater harness, if equipped.
  49. Remove the two screws (2) from the PTC quick heater, if equipped.

    50. Object Number: 2015587 Size: SH
  50. Remove the PTC quick heater (1) from the HVAC module, if equipped.

Installation Procedure

    Object Number: 2015212 Size: SH
  1. Install the PTC quick heater (1) to the HVAC module, if equipped.

    2. Object Number: 2015166 Size: SH
  2. Install the two screws (2) to the PTC quick heater, if equipped.
  3. Engage the clamps (1) to the PTC quick heater harness, if equipped.

    4. Object Number: 2015148 Size: SH
  4. Install the blower case to the HVAC module. Refer to Blower Case Replacement.
  5. Install the air duct (2) to the HVAC module.
  6. Engage the two clips (1).

    7. Object Number: 2015220 Size: SH
  7. Install the HVAC module assembly (1) to the vehicle.
  8. Engage the drain cooler hose.

    9. Note: Be sure to support the HVAC module assembly when removing it because failure to do so may cause the bracket of the HVAC module assembly to break.

    Note: When disassembling the HVAC module assembly, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.

  9. Install the HVAC module nut (2) and bolt (3), do not tighten at this time.

    10. Object Number: 2015227 Size: SH
  10. Install the instrument panel reinforcement assembly (1).

    11. Caution: Refer to Fastener Caution in the Preface section.

  11. Install the seven bolts.

    12. Tighten
    Tighten the seven bolts to 24 N·m (18 lb ft).


    Object Number: 2015140 Size: MH
  12. Connect the electrical connectors (3).
  13. Engage the clamps (2).
  14. Engage wire harness and junction block with the nine bolts (1).

    15. Tighten
    Tighten the nine bolts (1) to 8.4 N·m (74 lb in).


    Object Number: 2015138 Size: SH
  15. Engage the clamps (1) and the wire harness.

    16. Object Number: 2022908 Size: SH
  16. Connect the SDM connectors (1).

    17. Object Number: 2032455 Size: MH

    Note: Do not line-up the bolt hole by prying on the collar or bushings. Only install the bolt in straight, without applying any force to the bushings.

  17. Install the steering column assembly with the bolt (3) and the 2 nuts (1, 2).

    18. Tighten
    Tighten the steering column bolts and nuts to 25 N·m (18 lb ft)

  18. Connect the connectors and engage the wire harness clamps to the steering column assembly.
  19. Ensure the front wheels are in the straight ahead position.

    20. Object Number: 2032440 Size: SH
  20. Install the instrument panel sub reinforcement (1) with the 2 bolts (2), (3).

    21. Object Number: 2015239 Size: SH
  21. Install the center bolt (2) to the instrument panel reinforcement.

    22. Tighten
    Tighten the center bolt (2) to 9.8 N·m (87 lb in).

  22. Install the right outer bolt (3) to the instrument panel reinforcement.

    23. Tighten
    Tighten the right outer bolt (3) to 9.8 N·m (87 lb in).

  23. Install the left outer bolt (1) to the instrument panel reinforcement.

    24. Tighten
    Tighten the right outer bolt (1) to 9.8 N·m (87 lb in).


    Object Number: 2015145 Size: SH
  24. Install the nut (2).

    25. Tighten
    Tighten the nut (2) to 9.8 N·m (87 lb in).

  25. Tighten the bolt (1).

    26. Tighten
    Tighten the bolt (1) to 9.8 N·m (87 lb in).


    Object Number: 2015137 Size: SH
  26. Install the instrument panel brace (4).
  27. Install the two nuts (1).

    28. Tighten
    Tighten the nuts (1) to 9.8 N·m (87 lb in).

  28. Install the two bolts (3).

    29. Tighten
    Tighten the bolts (3) to 9.8 N·m (87 lb in).

  29. Instal the two screws (2).

    30. Tighten
    Tighten the screws (2) to 9.8 N·m (87 lb in).


    Object Number: 2015133 Size: SH
  30. Engage the clamps (2).
  31. Connect the electrical connector (3).
  32. Install the two bolts (1).

    33. Tighten
    Tighten the bolts (1) to 8.4 N·m (74 lb in).

  33. Install the theft deterrent module. Refer to Theft Deterrent Module Replacement.

    34. Object Number: 2015128 Size: SH
  34. Install the two bolts (1) and the center instrument panel to cowl brace (2).

    35. Object Number: 2015125 Size: SH
  35. Install the defroster air duct (2).
  36. Install the two nuts (1).

    37. Tighten
    Tighten the nuts (1) to 9.8 N·m (87 lb in).

  37. Install the power steering control module. Refer to Electronic Power Steering Motor Control Module Replacement.

    38. Object Number: 2015122 Size: SH
  38. Engage the six retainers (1) to the defroster air duct (2).

    39. Object Number: 2015121 Size: SH
  39. Engage the four clips (1) and install the center air duct (2).

    40. Object Number: 2015119 Size: SH
  40. Engage the two clips (1) and install the passenger side rear air duct (2).

    41. Object Number: 2015241 Size: SH
  41. Install the passenger side carpet (2) and install the clip (1).

    42. Object Number: 2015243 Size: SH
  42. Engage the two clips (1) and install the driver side rear air duct (2).

    43. Object Number: 2015244 Size: SH
  43. Install the passenger side carpet (1) and install the clip (2).
  44. Install the instrument panel assembly. Refer to Instrument Panel Upper Trim Pad Replacement and Instrument Panel Lower Trim Panel Replacement.

    45. Object Number: 2015108 Size: SH
  45. Install the heater hoses (1, 2) at the heater core.
  46. Install new O-rings lubricated with mineral base 525 viscosity refrigerant oil.

    47. Object Number: 2015248 Size: SH
  47. Install the evaporator inlet and outlet tubes (1) to the evaporator.
  48. Install the bolt (1) and slide the hook connector.

    49. Tighten
    Tighten the bolt (1) to 9.8 N·m (87 lb in).

  49. Fill the cooling system. Refer to Cooling System Draining and Filling.
  50. Evacuate and Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
  51. Connect the negative battery cable.

    52. Tighten
    Tighten the negative battery cable to 15 N·m (11 lb ft).

  52. Operate the A/C system and test for refrigerant leaks. Refer to Leak Testing.