Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear air conditioning unit removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Rear No. 1 cooling unit damper servo sub-assembly Rear No. 2 cooling unit damper servo sub-assembly	Initialization servo motor (Air conditioning system)	DTCs are output

PROCEDURE

1. PRECAUTION

2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

Click here

3. DRAIN ENGINE COOLANT

Click here

4. REMOVE NO. 1 LUGGAGE COMPARTMENT SIDE COVER PROTECTOR

(a) Remove the 2 screws and grommet.

	Screw
	Grommet

(b) Turn back the rear wheel house liner RH as shown in the illustration.

(c) Remove the clip.

(d) Remove the 2 clips, bolt and No. 1 luggage compartment side cover protector.

	Clip
	Bolt

5. DISCONNECT AIR CONDITIONING HOSE AND ACCESSORY

(a) Remove the bolt and rotate the hook connector as shown in the illustration.

(b) Disconnect the suction tube.

(c) Remove the O-ring from the suction tube.

NOTICE:

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

(d) Disconnect the liquid tube.

(e) Remove the O-ring from the liquid tube.

NOTICE:

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

(f) Using pliers, grip the claws of the clip and slide the clip to disconnect the inlet heater water hose. NOTICE: Do not apply excessive force to the inlet heater water hose. Prepare a drain pan or cloth in case the coolant leaks.

(g) Using pliers, grip the claws of the clip and slide the clip to disconnect the outlet heater water hose. NOTICE: Do not apply excessive force to the outlet heater water hose. Prepare a drain pan or cloth in case the coolant leaks.

6. REMOVE REAR NO. 2 SEAT ASSEMBLY

Click here

7. REMOVE REAR FLOOR FINISH PLATE

Click here

8. REMOVE REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

Click here

9. REMOVE REAR DOOR INSIDE SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

Click here

10. REMOVE REAR SEAT OUTER TRACK BRACKET COVER RH

for 60/40 Split Seat Type:

Click here

for Captain Seat Type:

HINT:

Use the same procedure as for the LH side.

Click here

11. REMOVE FRONT DECK SIDE TRIM COVER RH

HINT:

Use the same procedure as for the LH side.

Click here

12. REMOVE REAR SEAT SIDE GARNISH RH

HINT:

Use the same procedure as for the LH side.

Click here

13. REMOVE NO. 1 LUGGAGE COMPARTMENT TRIM HOOK

Click here

14. REMOVE ROPE HOOK ASSEMBLY

HINT:

Use the same procedure as for the LH side.

Click here

15. REMOVE NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY

Click here

16. REMOVE DECK TRIM SIDE PANEL ASSEMBLY RH

Click here

17. DISCONNECT REAR NO. 2 SEAT OUTER BELT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here

18. REMOVE ROOF SIDE INNER GARNISH ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here

19. REMOVE REAR NO. 4 SIDE AIR DUCT

(a) Remove the clip.

	Remove in this Direction (1)
	Remove in this Direction (2)

(b) Remove the rear No. 4 side air duct as shown in the illustration.

20. REMOVE COOLER PLATE

(a) Disengage the 2 claws to remove the cooler plate.

21. REMOVE REAR NO. 3 SIDE AIR DUCT

(a) Remove the clip.

Remove in this Direction

(b) Remove the rear No. 3 side air duct as shown in the illustration.

22. REMOVE REAR NO. 2 SIDE AIR DUCT

(a) Disengage the clamp.

Remove in this Direction

(b) Remove the clip.

(c) Remove the rear No. 2 side air duct as shown in the illustration.

23. REMOVE REAR NO. 1 SIDE AIR DUCT

(a) Remove the clip.

Remove in this Direction

(b) Remove the rear No. 1 side air duct as shown in the illustration.

24. REMOVE REAR NO. 7 AIR DUCT

(a) Remove the clip.

Remove in this Direction

(b) Remove the rear No. 7 air duct as shown in the illustration.

25. REMOVE REAR NO. 6 AIR DUCT

(a) Remove the clip.

Remove in this Direction

(b) Remove the rear No. 6 air duct as shown in the illustration.

26. REMOVE REAR NO. 5 AIR DUCT

(a) Remove the clip.

	Remove in this Direction (1)
	Remove in this Direction (2)

(b) Remove the rear No. 5 air duct as shown in the illustration.

27. REMOVE REAR AIR CONDITIONING UNIT ASSEMBLY

(a) Disconnect each connector.

(b) Disengage each clamp.

(c) Disconnect the drain cooler hose.

(d) Remove the 4 bolts.

(e) Disengage the guide and remove the rear air conditioning unit assembly.

28. REMOVE REAR AIR DUCT

(a) Remove the 3 screws and rear air duct.

29. REMOVE WATER PIPE AND HOSE SUB-ASSEMBLY A

(a) Remove the bolt and screw.

	Bolt
	Screw

(b) Slide the 2 clips and disconnect the water pipe and hose sub-assembly A. NOTICE: Do not apply excessive force to the water pipe and hose sub-assembly A. Prepare a drain pan or cloth in case the coolant leaks.

30. REMOVE NO. 1 COOLING UNIT PACKING

(a) Remove the No. 1 cooling unit packing.

31. REMOVE AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY

(a) Remove the bolt and rotate the hook connector as shown in the illustration.

	Bolt
	Screw

(b) Remove the 3 screws and air conditioning tube and accessory assembly.

(c) Remove the 2 O-rings from the rear cooling unit expansion valve.

NOTICE:

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

32. REMOVE DRAIN COOLER HOSE

(a) Remove the drain cooler hose from the rear cooling unit assembly.