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Home >> Lexus >> 2010 >> IS 250C V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Housing Assembly HVAC >> Service and Repair >> Removal and Replacement >> Removal

Removal





HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT: REMOVAL

1. PRECAUTION

Service Precautions

NOTICE:

W/ Navigation System for HDD:

After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal Service Precautions.

2. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

3. REMOVE COOL AIR INTAKE DUCT SEAL Removal

4. REMOVE ENGINE ROOM SIDE COVER LH Removal

5. REMOVE ENGINE ROOM SIDE COVER RH Removal

6. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM Service and Repair

7. 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.

8. REMOVE FRONT UPPER FENDER PROTECTOR LH Removal

9. REMOVE FRONT UPPER FENDER PROTECTOR RH

HINT
Use the same procedure for the RH side and LH side Removal.

10. REMOVE ROOF HEADLINING ASSEMBLY (for Front Side)

HINT
Refer to the procedure up to Remove Roof Headlining Assembly Removal.

11. REMOVE FRONT PILLAR UPPER COVER ASSEMBLY LH Removal

12. REMOVE ROOF DRIP SIDE FINISH MOULDING LH Removal

13. REMOVE FRONT PILLAR UPPER COVER ASSEMBLY RH

HINT
Use the same procedure for the RH side and LH side Removal.

14. REMOVE ROOF DRIP SIDE FINISH MOULDING RH

HINT
Use the same procedure for the RH side and LH side Removal.

15. REMOVE FRONT WIPER ARM HEAD CAP Removal

16. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH Removal

17. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH Removal

18. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY Removal

19. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY Removal

20. REMOVE V-BANK COVER SUB-ASSEMBLY (for 2GR-FSE) Removal

21. REMOVE V-BANK COVER SUB-ASSEMBLY (for 4GR-FSE) Removal

22. REMOVE INLET NO. 1 AIR CLEANER (for 2GR-FSE) Removal

23. REMOVE INLET NO. 1 AIR CLEANER (for 4GR-FSE) Removal

24. SEPARATE 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 pipe sub-assembly.

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

25. SEPARATE LIQUID TUBE SUB-ASSEMBLY

(a) Disconnect the liquid tube sub-assembly.

(b) Remove the O-ring from the liquid tube sub-assembly.

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

26. DISCONNECT HEATER WATER OUTLET HOSE

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





27. DISCONNECT HEATER WATER INLET HOSE

HINT
Use the same procedure for the heater water outlet hose.

28. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY (for Automatic Transmission) Removal

29. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY (for Manual Transmission) Removal

30. REMOVE UPPER NO. 1 CONSOLE PANEL GARNISH (for Automatic Transmission) Removal

31. REMOVE UPPER NO. 2 CONSOLE PANEL GARNISH (for Automatic Transmission) Removal

32. REMOVE CONSOLE PANEL SUB-ASSEMBLY (for Automatic Transmission) Removal

33. REMOVE REAR CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission) Removal

34. REMOVE FRONT CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission) Removal

35. REMOVE FRONT ASH RECEPTACLE ASSEMBLY Removal

36. REMOVE REAR ASH RECEPTACLE ASSEMBLY Removal

37. REMOVE CONSOLE BOX REGISTER ASSEMBLY Removal

38. REMOVE CONSOLE BOX Removal

39. REMOVE NO. 3 INSTRUMENT PANEL REGISTER ASSEMBLY Removal

40. REMOVE CENTER LOWER INSTRUMENT CLUSTER FINISH PANEL Removal

41. REMOVE DISPLAY AND NAVIGATION MODULE DISPLAY WITH RADIO RECEIVER ASSEMBLY (W/ Navigation System) Removal

42. REMOVE INTEGRATION CONTROL PANEL WITH RADIO RECEIVER ASSEMBLY (W/O Navigation System) Removal

43. REMOVE LOWER NO. 3 STEERING WHEEL COVER Removal

44. REMOVE LOWER NO. 2 STEERING WHEEL COVER Removal

45. REMOVE STEERING PAD Removal

46. REMOVE STEERING WHEEL ASSEMBLY Removal

47. REMOVE STEERING COLUMN COVER (for Lower Side) Removal

48. REMOVE STEERING COLUMN COVER (for Upper Side) Removal

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

50. REMOVE DOOR SCUFF PLATE ASSEMBLY LH Removal

51. REMOVE FRONT DOOR OPENING TRIM COVER LH Removal

52. REMOVE INSTRUMENT SIDE PANEL LH Removal

53. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Removal

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

55. REMOVE DRIVER SIDE KNEE AIRBAG ASSEMBLY Removal

56. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY Removal

57. REMOVE COMBINATION METER ASSEMBLY Removal

58. REMOVE DOOR SCUFF PLATE ASSEMBLY RH

HINT
Use the same procedure for the RH side and LH side Removal.

59. REMOVE FRONT DOOR OPENING TRIM COVER RH

HINT
Use the same procedure for the RH side and LH side Removal.

60. REMOVE INSTRUMENT SIDE PANEL RH Removal

61. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Removal

62. REMOVE FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY Removal

63. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY Removal

64. REMOVE POWER SOURCE CONTROL ECU Removal

65. REMOVE FRONT PILLAR GARNISH LH Removal

66. REMOVE FRONT PILLAR GARNISH RH

HINT
Use the same procedure for the RH side and LH side Removal.

67. REMOVE NO. 1 INSTRUMENT PANEL REGISTER ASSEMBLY Removal

68. REMOVE NO. 2 INSTRUMENT PANEL REGISTER ASSEMBLY Removal

69. REMOVE NO. 3 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY Removal

70. REMOVE FRONT NO. 4 SPEAKER ASSEMBLY (W/ Front Center Speaker) Removal

71. REMOVE NO. 2 CONSOLE BOX DUCT (for Automatic Transmission) Removal

72. REMOVE NO. 2 CONSOLE BOX DUCT (for Manual Transmission) Removal

73. REMOVE NO. 1 CONSOLE BOX DUCT Removal

74. DISCONNECT NO. 2 INSTRUMENT PANEL WIRE ASSEMBLY Removal

75. REMOVE INSTRUMENT PANEL SAFETY PAD ASSEMBLY Removal

76. REMOVE NO. 1 AIR DUCT Removal

77. REMOVE BRAKE PEDAL RETURN SPRING Removal

78. SEPARATE STEERING SLIDING YOKE SUB-ASSEMBLY Removal

79. REMOVE STEERING POST ASSEMBLY Removal

80. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY

(a) Release the 4 claws and remove the lower defroster nozzle assembly.





81. REMOVE MULTI-MEDIA INTERFACE ECU WITH BRACKET (W/ USB Audio System) Removal

82. REMOVE CLEARANCE WARNING BUZZER Removal

83. REMOVE SKID CONTROL BUZZER ASSEMBLY Removal

84. REMOVE DISTANCE CONTROL ECU Removal

85. REMOVE DCM (TELEMATICS TRANSCEIVER) WITH BRACKET (W/ Manual (SOS) Switch) Removal

86. REMOVE ID CODE BOX (IMMOBILIZER CODE ECU) Removal

87. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY

(a) Disengage each clamp and disconnect each connector.

(b) Remove the 2 bolts and 2 earth wires.

(c) Remove the 3 nuts, 2 bolts and 2 junction blocks.





(d) Remove the cap and bolt.

(e) Remove the 3 bolts and nut.





(f) Remove the 6 caps.

(g) Remove the 2 bolts.

(h) Using a T40 "TORX" socket, remove the 4 "TORX" bolts.

NOTICE:
The "TORX" bolts on the passenger side can be removed with the collar for adjustment.

(i) Using a 12 mm hexagon wrench, remove the 2 collars and instrument panel reinforcement.





Text in Illustration





88. REMOVE AIR CONDITIONING UNIT ASSEMBLY

(a) Remove the 2 screws, 3 bolts and air conditioning unit assembly.





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

(c) Using pliers, grip the claws of the clip and slide the clip to remove the heater water inlet hose.
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