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Home >> Toyota >> 2010 >> Corolla L4-1.8L (2ZR-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Housing Assembly HVAC >> Service and Repair >> Removal and Replacement >> Air Conditioning Unit >> Removal

Removal





HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT: REMOVAL

1. PRECAUTION

Lower Instrument Panel

2. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system Service Precautions

HINT
Before disconnecting the cable, set the air conditioning control switch to DEF-MODE. (for Automatic Air Conditioning System)

4. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM Service and Repair

5. REMOVE FRONT WIPER ARM HEAD CAP Removal

6. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH Removal

7. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH Removal

8. REMOVE HOOD TO COWL TOP SEAL Removal

9. REMOVE CENTER NO. 1 COWL TOP VENTILATOR LOUVER Removal

10. REMOVE COWL TOP VENTILATOR LOUVER LH Removal

11. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY Removal

12. REMOVE OUTER COWL TOP PANEL (for TMC Made) Removal

13. REMOVE OUTER COWL TOP PANEL (except TMC Made) Removal

14. DISCONNECT SUCTION PIPE SUB-ASSEMBLY

(a) Remove the bolt and slide the hook connector.





(b) Disconnect the suction pipe sub-assembly.

(c) Remove the O-ring from the suction hose sub-assembly.

NOTICE:
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

15. DISCONNECT AIR CONDITIONING TUBE ASSEMBLY

(a) Disconnect the air conditioning tube assembly.

(b) Remove the O-ring from the air conditioning tube assembly.

NOTICE:
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

16. DISCONNECT HEATER WATER HOSE OUTLET

(a) Using pliers, grip the claws of the clip and slide the clip to disconnect the heater outlet water hose.





NOTICE:
* Do not apply excessive force to the heater outlet water hose.
* Prepare a drain pan or a piece of cloth in case the coolant leaks.
17. DISCONNECT HEATER WATER HOSE INLET

HINT
Disconnection procedure for the heater inlet water hose is the same as that for the heater outlet water hose.

18. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL LH Removal

19. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL RH Removal

20. REMOVE INSTRUMENT PANEL FINISH PANEL END LH Removal

21. REMOVE INSTRUMENT PANEL FINISH PANEL END RH Removal

22. REMOVE CENTER INSTRUMENT PANEL REGISTER ASSEMBLY Removal

23. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY Removal

24. REMOVE COMBINATION METER ASSEMBLY Removal

25. REMOVE FRONT PILLAR GARNISH LH (w/o Curtain Shield Airbag) Removal

26. REMOVE FRONT PILLAR GARNISH LH (w/ Curtain Shield Airbag) Removal

27. REMOVE FRONT PILLAR GARNISH RH (w/o Curtain Shield Airbag) Removal

28. REMOVE FRONT PILLAR GARNISH RH (w/ Curtain Shield Airbag) Removal

29. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY Removal

30. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH Removal

31. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY Removal

32. REMOVE NO. 1 INSTRUMENT PANEL BOX DOOR SUB-ASSEMBLY Removal

33. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH Removal

34. DISCONNECT INSTRUMENT PANEL WIRE ASSEMBLY Removal

35. REMOVE UPPER INSTRUMENT PANEL SUB-ASSEMBLY Removal

36. REMOVE POWER STEERING ECU ASSEMBLY (for 2ZR-FE) Removal

37. REMOVE POWER STEERING ECU ASSEMBLY (for 2AZ-FE) Removal

38. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY Removal

39. REMOVE LOWER NO. 3 STEERING WHEEL COVER Removal

40. REMOVE LOWER NO. 2 STEERING WHEEL COVER Removal

41. REMOVE STEERING PAD Removal

42. REMOVE STEERING WHEEL ASSEMBLY Removal

43. REMOVE LOWER STEERING COLUMN COVER Removal

44. REMOVE UPPER STEERING COLUMN COVER Removal

45. REMOVE TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY Removal

46. REMOVE COLUMN HOLE COVER SILENCER SHEET Removal

47. SEPARATE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY Removal

48. REMOVE INSTRUMENT PANEL SUB REINFORCEMENT Removal

49. REMOVE NO. 3 AIR DUCT SUB-ASSEMBLY Removal

50. REMOVE TRANSPONDER KEY AMPLIFIER (w/ Smart Key System) Removal

51. REMOVE STOP LIGHT SWITCH ASSEMBLY Removal

52. REMOVE STEERING POST ASSEMBLY (for 2ZR-FE) Removal

53. REMOVE STEERING POST ASSEMBLY (for 2AZ-FE) Removal

54. REMOVE RADIO RECEIVER WITH BRACKET (w/o Navigation System) Removal

55. REMOVE CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY (w/ Navigation System) Removal

56. REMOVE NAVIGATION RECEIVER WITH BRACKET (w/ Navigation System) Removal

57. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY (for Manual Transaxle) Removal

58. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY (for Automatic Transaxle) Removal

59. REMOVE CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (for Manual Transaxle) Removal

60. REMOVE CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (for Automatic Transaxle) Removal

61. REMOVE INSTRUMENT PANEL BOX ASSEMBLY Removal

62. REMOVE INSTRUMENT PANEL HOLE COVER Removal

63. REMOVE AIR CONDITIONING PANEL ASSEMBLY (for Manual Air Conditioning System) Removal

64. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning System) Removal

65. REMOVE FRONT DOOR SCUFF PLATE LH Removal

66. REMOVE COWL SIDE TRIM BOARD LH Removal

67. REMOVE FRONT NO. 1 CONSOLE BOX INSERT Removal

68. REMOVE NO. 1 SWITCH HOLE BASE (w/o Smart Key System) Removal

69. REMOVE NO. 1 SWITCH HOLE BASE (w/ Smart Key System) Removal

70. REMOVE FRONT DOOR SCUFF PLATE RH Removal

71. REMOVE COWL SIDE TRIM BOARD RH Removal

72. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (w/ Instrument Panel Under Cover) Removal

73. REMOVE FRONT NO. 2 CONSOLE BOX INSERT Removal

74. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY Removal

75. REMOVE CONSOLE BOX CARPET Removal

76. REMOVE CONSOLE BOX ASSEMBLY (for Manual Transaxle) Removal

77. REMOVE CONSOLE BOX ASSEMBLY (for Automatic Transaxle) Removal

78. REMOVE NO. 2 ANTENNA CORD SUB-ASSEMBLY Removal

79. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY Removal

80. REMOVE SMART KEY ECU ASSEMBLY (w/ Smart Key System) Removal

81. REMOVE NO. 1 AIR DUCT SUB-ASSEMBLY

(a) Remove the 2 nuts and the No. 1 air duct sub-assembly.





82. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY

(a) Disengage the 6 claws and remove the lower defroster nozzle assembly.





83. REMOVE CENTER INSTRUMENT PANEL TO COWL BRACE

(a) Remove the 2 bolts and the center instrument panel to cowl brace.





84. REMOVE REAR NO. 2 AIR DUCT (w/ Rear Air Duct)

(a) Remove the clip.





(b) Turn back the floor carpet.

(c) Disengage the 2 claws and remove the rear No. 2 air duct.





85. REMOVE REAR NO. 3 AIR DUCT (w/ Rear Air Duct)

(a) Remove the clip.





(b) Turn back the floor carpet.

(c) Disengage the 2 claws and remove the rear No. 3 air duct.





86. REMOVE NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY (for Manual Air Conditioning System)

(a) for TMC made:

(1) Disconnect the connector.





(2) Disengage each clamp.

(b) for TMMC, NUMMI made:

(1) Disconnect the connector.





(2) Disengage each clamp.

(c) Remove the screw.





(d) Remove the bolt, the nut, and the No. 1 instrument panel brace sub-assembly.

87. REMOVE NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY (for Automatic Air Conditioning System)

(a) for TMC Made:

(1) Disengage each clamp.





(b) for TMMC, NUMMI Made:

(1) Disengage each clamp.





(c) Remove the screw.





(d) Remove the bolt, the nut, and the No. 1 instrument panel brace sub-assembly.

88. REMOVE NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY

(a) for TMC Made:

(1) Disengage each clamp.





(b) for TMMC, NUMMI Made:

(1) Disengage each clamp.





(c) Remove the screw.





(d) Remove the bolt, the nut, and the No. 2 instrument panel brace sub-assembly.

89. REMOVE HEATER COVER (w/ Cover)

(a) Disengage the 4 claws and remove the heater cover.





90. REMOVE REAR NO. 1 AIR DUCT (w/ Rear Air Duct)

(a) Disengage the 4 claws and remove the rear No. 1 air duct.





91. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY (for Manual Air Conditioning System)

(a) Disconnect the connector.

(b) Disengage each clamp and the wire harness.





(c) Disconnect each connector.

(d) Disengage each clamp.

(e) Remove the 12 bolts, and disengage the wire harness and junction block.

(f) Disengage the cooler drain hose.





(g) Remove the 7 bolts.





(h) Remove the 3 bolts and the instrument panel reinforcement assembly.





92. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY (for Automatic Air Conditioning System)

(a) Disengage each clamp and the wire harness.





(b) Disconnect each connector.

(c) Disengage each clamp.

(d) Remove the 12 bolts, and disengage the wire harness and junction block.

(e) Disengage the cooler drain hose.





(f) Remove the 7 bolts.





(g) Remove the 3 bolts and the instrument panel reinforcement assembly.





93. REMOVE AIR CONDITIONING UNIT

(a) Remove the bolt, the nut, and the air conditioning unit.





NOTICE:
* Be sure to support the air conditioning unit assembly when removing it because failure to do so may cause the bracket of the air conditioning unit assembly to break.
* When disassembling the air conditioning unit, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.
94. REMOVE NO. 2 AIR DUCT SUB-ASSEMBLY

(a) Disengage the 2 claws and remove the No. 2 air duct sub-assembly.





95. REMOVE BLOWER ASSEMBLY (w/o PTC Heater)

(a) for Automatic Air Conditioning System:

(1) Disconnect the connector.





(b) Remove the 3 screws and the blower assembly.

96. REMOVE BLOWER ASSEMBLY (w/ PTC Heater)

(a) Disengage each clamp.





(b) Remove the screw and disengage the quick heater connector.





(c) for Automatic Air Conditioning System:

(1) Disconnect the connector.

(d) Remove the 3 screws and the blower assembly.
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