HVAC Assembly (Remove and Replace)

Correction code 1810100218101002
  • 1134520-00-A Kit, EPB Release, Handheld
  • 1129348-00-AXP-10 Power Supply, XP-10

SPECIAL TOOLS

Kit, EPB Release, Handheld (1134520-00-A)
XP-10 Power Supply, XP-10 (1129348-00-A)
Parent topic: 1810 - Cabin HVAC

Remove

  1. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  2. Remove the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
  3. Remove the hood latch cover. See Cover - Hood Latch (Remove and Replace).
  4. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  5. Remove the LH and RH wiper arms. See Wiper Arms (Remove and Replace).
  6. Remove the LH and RH shock tower covers. See Cover - Shock Tower - LH (Remove and Replace).
  7. Remove the cowl screen panel. See Panel - Cowl Screen (Remove and Replace).
  8. Remove the wiper motor. See Wiper Motor (Remove and Replace).
  9. Release the clip that attaches the electrical harness to the windshield washer reservoir.
  10. Disconnect the electrical connector from the windshield washer reservoir.
  11. Remove the outer HVAC plenum duct. See Duct - HVAC Plenum - Outer (Remove and Replace).
  12. Remove the inner HVAC plenum duct. See Duct - HVAC Plenum - Inner (Remove and Replace).
  13. Perform the A/C refrigerant recovery procedure. See A/C Refrigerant (Recovery and Recharge).
  14. Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
  15. Remove the LH and RH instrument panel end caps. See End Cap - Instrument Panel - LH (Remove and Replace).
  16. Remove the LH and RH middle A-pillar trim. See Trim - A-Pillar - Middle - LH (Remove and Replace).
  17. Remove the LH and RH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
  18. Remove the LH and RH upper A-pillar trim. See Trim - A-Pillar - Upper - LH (Remove and Replace).
  19. Remove the driver and front passenger footwell cover. See Cover - Footwell - Driver (Remove and Replace).
  20. Perform steps 2 -7 of the removal of the driver and front passenger seats. See Seat - Driver (Remove and Replace).
    Note: Do not review the driver and front passenger seat at this time.
  21. Disconnect 12V power. See 12V Power (Disconnect and Connect).
  22. Perform the vehicle electrical isolation procedure. See Vehicle Electrical Isolation Procedure.
  23. Remove the LH and RH front wheels. See Wheel (Remove and Install).
  24. Remove the LH front wheel arch liner. See Wheel Arch Liner - Front - LH (Remove and Replace).
  25. Remove the windshield washer reservoir. See Reservoir - Windshield Washer (Remove and Replace).
  26. Remove the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  27. Disconnect the HV harness connector from the PTC heater.
  28. Release the clips that attach the PTC heater electrical connector to the body.
  29. Fully release the rear park brake calipers. See Parking Brake - Caliper - Rear - LH (Release).
  30. Lower the vehicle partially.
  31. Install the LH front wheel, but do not fully tighten the lug nut at this time.
  32. With an assistant, push the vehicle away from the lift.
    Note: Secure the vehicle with wheel chocks.
  33. Perform step 8-12 for the removal of the driver and front passenger seats. See Seat - Driver (Remove and Replace).
  34. Remove the driver knee airbag. See Airbag - Knee - Driver (Remove and Install).
  35. Remove the LH footwell duct. See Duct - Footwell - LH (Remove and Replace).
  36. Remove the center console. See Center Console (Remove and Install).
  37. Remove the front passenger knee airbag. See Airbag - Knee - Front Passenger (Remove and Replace).
  38. Remove the LH and RH air wave end cap. See End Cap - Air Wave - LH (Remove and Replace).
  39. Remove the main instrument panel decor trim. See Decor Trim - Instrument Panel - Main (Remove and Replace).
  40. Remove the glove box. See Glove Box (LHD) (Remove and Replace).
  41. Remove the RH footwell duct. See Duct - Footwell - LH (Remove and Replace).
  42. Remove the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
  43. Remove the driver air bag. See Airbag - Driver (Remove and Replace).
  44. Remove the steering wheel. See Steering Wheel (Remove and Install).
  45. Remove the steering column control module. See Module - Steering Column Control (Remove and Replace).
  46. Remove the touchscreen. See Touchscreen (Remove and Replace).
  47. Remove the LH front vent. See Vent - Front - LH (Remove and Replace).
  48. Remove the RH front vent. See Vent - Front - RH (Remove and Replace).
  49. Remove the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
  50. Remove the LH, center, and RH dash speakers. See Speaker - Dash - LH (Remove and Replace).
  51. Remove the front passenger airbag. See Airbag - Front Passenger (Remove and Install).
  52. Remove the IP carrier. See IP Carrier (Remove and Install).
  53. Remove the LH air wave duct. See Duct - Air Wave - LH (Remove and Replace).
  54. Remove the LH front carpet. See Carpet - Front - LH (Remove and Replace).
  55. Remove the RH front carpet. See Carpet - Front - RH (Remove and Replace).
  56. Remove the cross car beam. See Beam - Cross Car (Remove and Replace).
  57. Release the clips that attach the RH and LH floor ducting to the floor, and remove the ducting.
  58. Disconnect the HVAC harness connector from the RH body controller.
  59. Remove the TXV valve. See TXV Valve - Evaporator (Remove and Replace).
  60. Remove the bolt that attaches the HVAC module to the body.
    Torque 5.5 Nm
  61. Remove the grommet and pull the PTC heater harness through the bulkhead.
  62. Remove the bolt that attaches the lower LH side of the HVAC assembly to the vehicle.
    Torque 5.5 Nm
  63. With assistance, remove the HVAC assembly from the vehicle.
1Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
2Remove the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
3Remove the hood latch cover. See Cover - Hood Latch (Remove and Replace).
4Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
5Remove the LH and RH wiper arms. See Wiper Arms (Remove and Replace).
6Remove the LH and RH shock tower covers. See Cover - Shock Tower - LH (Remove and Replace).
7Remove the cowl screen panel. See Panel - Cowl Screen (Remove and Replace).
8Remove the wiper motor. See Wiper Motor (Remove and Replace).
9Release the clip that attaches the electrical harness to the windshield washer reservoir.
10Disconnect the electrical connector from the windshield washer reservoir.
11Remove the outer HVAC plenum duct. See Duct - HVAC Plenum - Outer (Remove and Replace).
12Remove the inner HVAC plenum duct. See Duct - HVAC Plenum - Inner (Remove and Replace).
13Perform the A/C refrigerant recovery procedure. See A/C Refrigerant (Recovery and Recharge).
14Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
15Remove the LH and RH instrument panel end caps. See End Cap - Instrument Panel - LH (Remove and Replace).
16Remove the LH and RH middle A-pillar trim. See Trim - A-Pillar - Middle - LH (Remove and Replace).
17Remove the LH and RH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
18Remove the LH and RH upper A-pillar trim. See Trim - A-Pillar - Upper - LH (Remove and Replace).
19Remove the driver and front passenger footwell cover. See Cover - Footwell - Driver (Remove and Replace).
20Perform steps 2 -7 of the removal of the driver and front passenger seats. See Seat - Driver (Remove and Replace).
Note: Do not review the driver and front passenger seat at this time.
21Disconnect 12V power. See 12V Power (Disconnect and Connect).
22Perform the vehicle electrical isolation procedure. See Vehicle Electrical Isolation Procedure.
23Remove the LH and RH front wheels. See Wheel (Remove and Install).
24Remove the LH front wheel arch liner. See Wheel Arch Liner - Front - LH (Remove and Replace).
25Remove the windshield washer reservoir. See Reservoir - Windshield Washer (Remove and Replace).
26Remove the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
27Disconnect the HV harness connector from the PTC heater.
28Release the clips that attach the PTC heater electrical connector to the body.
29Fully release the rear park brake calipers. See Parking Brake - Caliper - Rear - LH (Release).
30Lower the vehicle partially.
31Install the LH front wheel, but do not fully tighten the lug nut at this time.
32With an assistant, push the vehicle away from the lift.
Note: Secure the vehicle with wheel chocks.
33Perform step 8-12 for the removal of the driver and front passenger seats. See Seat - Driver (Remove and Replace).
34Remove the driver knee airbag. See Airbag - Knee - Driver (Remove and Install).
35Remove the LH footwell duct. See Duct - Footwell - LH (Remove and Replace).
36Remove the center console. See Center Console (Remove and Install).
37Remove the front passenger knee airbag. See Airbag - Knee - Front Passenger (Remove and Replace).
38Remove the LH and RH air wave end cap. See End Cap - Air Wave - LH (Remove and Replace).
39Remove the main instrument panel decor trim. See Decor Trim - Instrument Panel - Main (Remove and Replace).
40Remove the glove box. See Glove Box (LHD) (Remove and Replace).
41Remove the RH footwell duct. See Duct - Footwell - LH (Remove and Replace).
42Remove the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
43Remove the driver air bag. See Airbag - Driver (Remove and Replace).
44Remove the steering wheel. See Steering Wheel (Remove and Install).
45Remove the steering column control module. See Module - Steering Column Control (Remove and Replace).
46Remove the touchscreen. See Touchscreen (Remove and Replace).
47Remove the LH front vent. See Vent - Front - LH (Remove and Replace).
48Remove the RH front vent. See Vent - Front - RH (Remove and Replace).
49Remove the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
50Remove the LH, center, and RH dash speakers. See Speaker - Dash - LH (Remove and Replace).
51Remove the front passenger airbag. See Airbag - Front Passenger (Remove and Install).
52Remove the IP carrier. See IP Carrier (Remove and Install).
53Remove the LH air wave duct. See Duct - Air Wave - LH (Remove and Replace).
54Remove the LH front carpet. See Carpet - Front - LH (Remove and Replace).
55Remove the RH front carpet. See Carpet - Front - RH (Remove and Replace).
56Remove the cross car beam. See Beam - Cross Car (Remove and Replace).
57Release the clips that attach the RH and LH floor ducting to the floor, and remove the ducting.
58Disconnect the HVAC harness connector from the RH body controller.
59Remove the TXV valve. See TXV Valve - Evaporator (Remove and Replace).
60Remove the bolt that attaches the HVAC module to the body.
Torque 5.5 Nm
61Remove the grommet and pull the PTC heater harness through the bulkhead.
62Remove the bolt that attaches the lower LH side of the HVAC assembly to the vehicle.
Torque 5.5 Nm
63With assistance, remove the HVAC assembly from the vehicle.

Install

  1. With an assistant, position the HVAC assembly into the vehicle.
    Note: Align the drain hose and TXV housing.
  2. Install the bolt that attaches the lower LH side HVAC assembly to the vehicle.
    Torque 5.5 Nm
  3. Push the PTC heater harness through the bulkhead, and then install the grommet.
    Note: Use caution not to damage the HV cable while passing the cable through the bulkhead.
  4. Install the bolt that attaches the HVAC module to the body near the HVAC inlet.
    Torque 5.5 Nm
  5. Install the TXV valve. See TXV Valve - Evaporator (Remove and Replace).
  6. Perform the A/C refrigerant recharge. See A/C Refrigerant (Recovery and Recharge).
  7. Connect the HVAC harness connector from the RH body controller.
  8. Release the clips that attach the RH and LH floor ducting to the floor, and remove the ducting.
  9. Install the cross car beam. See Beam - Cross Car (Remove and Replace).
  10. Install the RH front carpet. See Carpet - Front - RH (Remove and Replace).
  11. Install the LH front carpet. See Carpet - Front - LH (Remove and Replace).
  12. Install the LH air wave duct. See Duct - Air Wave - LH (Remove and Replace).
  13. Install the IP carrier. See IP Carrier (Remove and Install).
  14. Install the front passenger airbag. See Airbag - Front Passenger (Remove and Install).
  15. Install the LH, center, and RH dash speakers. See Speaker - Dash - LH (Remove and Replace).
  16. Install the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
  17. Install the RH front vent. See Vent - Front - RH (Remove and Replace).
  18. Install the RH footwell duct. See Duct - Footwell - LH (Remove and Replace).
  19. Install the LH front vent. See Vent - Front - LH (Remove and Replace).
  20. Install the touchscreen. See Touchscreen (Remove and Replace).
  21. Remove the steering column control module. See Module - Steering Column Control (Remove and Replace).
  22. Install the steering wheel. See Steering Wheel (Remove and Install).
  23. Install the driver air bag. See Airbag - Driver (Remove and Replace).
  24. Install the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
  25. Install the RH footwell duct. See Duct - Footwell - LH (Remove and Replace).
  26. Install the glove box. See Glove Box (LHD) (Remove and Replace).
  27. Install the main instrument panel decor trim. See Decor Trim - Instrument Panel - Main (Remove and Replace).
  28. Install the LH and RH air wave end cap. See End Cap - Air Wave - LH (Remove and Replace).
  29. Install the front passenger knee airbag. See Airbag - Knee - Front Passenger (Remove and Replace).
  30. Install the center console. See Center Console (Remove and Install).
  31. Install the LH footwell duct. See Duct - Footwell - LH (Remove and Replace).
  32. Install the driver knee airbag. See Airbag - Knee - Driver (Remove and Install).
  33. Install the driver seat. See Seat - Driver (Remove and Replace).
  34. Install the windshield washer reservoir. See Reservoir - Windshield Washer (Remove and Replace).
  35. Perform the platter enclosure air leak test. See Platter Enclosure Air Leak Test.
  36. Install the clips that attach the PTC heater electrical connector to the body.
  37. Install the HV harness connector to the PTC heater.
  38. Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  39. Install the LH front wheel arch liner. See Wheel Arch Liner - Front - LH (Remove and Replace).
  40. Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  41. Install the LH front wheel. See Wheel (Remove and Install).
  42. Reconnect 12V power. See 12V Power (Disconnect and Connect).
  43. Use a laptop to update vehicle firmware
  44. Install the front passenger seat. See Seat - Driver (Remove and Replace).
  45. Install the driver and front passenger footwell cover. See Cover - Footwell - Driver (Remove and Replace).
  46. Install the LH and RH upper A-pillar trim. See Trim - A-Pillar - Upper - LH (Remove and Replace).
  47. Install the LH and RH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
  48. Install the LH and RH middle A-pillar trim. See Trim - A-Pillar - Middle - LH (Remove and Replace).
  49. Install the LH and RH instrument panel end caps. See End Cap - Instrument Panel - LH (Remove and Replace).
  50. Install the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
  51. Install the inner HVAC plenum duct. See Duct - HVAC Plenum - Inner (Remove and Replace).
  52. Install the outer HVAC plenum duct. See Duct - HVAC Plenum - Outer (Remove and Replace).
  53. Install the wiper motor. See Wiper Motor (Remove and Replace).
  54. Install the cowl screen panel. See Panel - Cowl Screen (Remove and Replace).
  55. Install the LH and RH shock tower covers. See Cover - Shock Tower - LH (Remove and Replace).
  56. Remove the A/C lines from the vehicle.
  57. Inject oil into the A/C system.
  58. Install the caps onto the A/C ports.
  59. Test the A/C function and make sure that the HVAC blows cold air.
  60. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  61. Install the hood latch cover. See Cover - Hood Latch (Remove and Replace).
  62. Install the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
  63. Install the LH and RH wiper arms. See Wiper Arms (Remove and Replace).
  64. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
1With an assistant, position the HVAC assembly into the vehicle.
Note: Align the drain hose and TXV housing.
2Install the bolt that attaches the lower LH side HVAC assembly to the vehicle.
Torque 5.5 Nm
3Push the PTC heater harness through the bulkhead, and then install the grommet.
Note: Use caution not to damage the HV cable while passing the cable through the bulkhead.
4Install the bolt that attaches the HVAC module to the body near the HVAC inlet.
Torque 5.5 Nm
5Install the TXV valve. See TXV Valve - Evaporator (Remove and Replace).
6Perform the A/C refrigerant recharge. See A/C Refrigerant (Recovery and Recharge).
7Connect the HVAC harness connector from the RH body controller.
8Release the clips that attach the RH and LH floor ducting to the floor, and remove the ducting.
9Install the cross car beam. See Beam - Cross Car (Remove and Replace).
10Install the RH front carpet. See Carpet - Front - RH (Remove and Replace).
11Install the LH front carpet. See Carpet - Front - LH (Remove and Replace).
12Install the LH air wave duct. See Duct - Air Wave - LH (Remove and Replace).
13Install the IP carrier. See IP Carrier (Remove and Install).
14Install the front passenger airbag. See Airbag - Front Passenger (Remove and Install).
15Install the LH, center, and RH dash speakers. See Speaker - Dash - LH (Remove and Replace).
16Install the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
17Install the RH front vent. See Vent - Front - RH (Remove and Replace).
18Install the RH footwell duct. See Duct - Footwell - LH (Remove and Replace).
19Install the LH front vent. See Vent - Front - LH (Remove and Replace).
20Install the touchscreen. See Touchscreen (Remove and Replace).
21Remove the steering column control module. See Module - Steering Column Control (Remove and Replace).
22Install the steering wheel. See Steering Wheel (Remove and Install).
23Install the driver air bag. See Airbag - Driver (Remove and Replace).
24Install the RH air wave duct. See Duct - Air Wave - RH (Remove and Replace).
25Install the RH footwell duct. See Duct - Footwell - LH (Remove and Replace).
26Install the glove box. See Glove Box (LHD) (Remove and Replace).
27Install the main instrument panel decor trim. See Decor Trim - Instrument Panel - Main (Remove and Replace).
28Install the LH and RH air wave end cap. See End Cap - Air Wave - LH (Remove and Replace).
29Install the front passenger knee airbag. See Airbag - Knee - Front Passenger (Remove and Replace).
30Install the center console. See Center Console (Remove and Install).
31Install the LH footwell duct. See Duct - Footwell - LH (Remove and Replace).
32Install the driver knee airbag. See Airbag - Knee - Driver (Remove and Install).
33Install the driver seat. See Seat - Driver (Remove and Replace).
34Install the windshield washer reservoir. See Reservoir - Windshield Washer (Remove and Replace).
35Perform the platter enclosure air leak test. See Platter Enclosure Air Leak Test.
36Install the clips that attach the PTC heater electrical connector to the body.
37Install the HV harness connector to the PTC heater.
38Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
39Install the LH front wheel arch liner. See Wheel Arch Liner - Front - LH (Remove and Replace).
40Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
41Install the LH front wheel. See Wheel (Remove and Install).
42Reconnect 12V power. See 12V Power (Disconnect and Connect).
43Use a laptop to update vehicle firmware
44Install the front passenger seat. See Seat - Driver (Remove and Replace).
45Install the driver and front passenger footwell cover. See Cover - Footwell - Driver (Remove and Replace).
46Install the LH and RH upper A-pillar trim. See Trim - A-Pillar - Upper - LH (Remove and Replace).
47Install the LH and RH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
48Install the LH and RH middle A-pillar trim. See Trim - A-Pillar - Middle - LH (Remove and Replace).
49Install the LH and RH instrument panel end caps. See End Cap - Instrument Panel - LH (Remove and Replace).
50Install the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
51Install the inner HVAC plenum duct. See Duct - HVAC Plenum - Inner (Remove and Replace).
52Install the outer HVAC plenum duct. See Duct - HVAC Plenum - Outer (Remove and Replace).
53Install the wiper motor. See Wiper Motor (Remove and Replace).
54Install the cowl screen panel. See Panel - Cowl Screen (Remove and Replace).
55Install the LH and RH shock tower covers. See Cover - Shock Tower - LH (Remove and Replace).
56Remove the A/C lines from the vehicle.
57Inject oil into the A/C system.
58Install the caps onto the A/C ports.
59Test the A/C function and make sure that the HVAC blows cold air.
60Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
61Install the hood latch cover. See Cover - Hood Latch (Remove and Replace).
62Install the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
63Install the LH and RH wiper arms. See Wiper Arms (Remove and Replace).
64Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).