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

INSTALLATION

PROCEDURE

1. INSTALL SLIDING ROOF HOUSING ASSEMBLY

(a) Pass a string under the windshield outside moulding as shown in the illustration.

(b) Engage the 2 guides.

(c) Temporarily install the sliding roof housing assembly with the 18 nuts.

(d) Tighten the 18 nuts to install the sliding roof housing assembly.

HINT:

Tighten the nuts in the order shown in the illustration.

Torque:

5.5 N·m {56 kgf·cm, 49 in·lbf}

(e) Apply soapy water to the windshield outside moulding.

*1 Windshield Outside Moulding *a String *b Correct *c Incorrect

(f) Slowly pull out the string to install the windshield outside moulding to the correct position.

2. INSTALL ROOF RACK ASSEMBLY LH

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3. INSTALL ROOF RACK ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

4. INSTALL REAR SLIDING ROOF HOUSING MOUNTING BRACKET LH

(a) Install the rear sliding roof housing mounting bracket LH with the bolt and nut.

	Bolt
	Nut

Torque:

Bolt :

8.0 N·m {82 kgf·cm, 71 in·lbf}

Nut :

5.5 N·m {56 kgf·cm, 49 in·lbf}

5. INSTALL REAR SLIDING ROOF HOUSING MOUNTING BRACKET RH

HINT:

Use the same procedure as for the LH side.

6. INSTALL CENTER SLIDING ROOF HOUSING MOUNTING BRACKET LH

(a) Install the center sliding roof housing mounting bracket LH with the 2 bolts and 3 nuts.

	Bolt
	Nut

Torque:

Bolt :

8.0 N·m {82 kgf·cm, 71 in·lbf}

Nut :

5.5 N·m {56 kgf·cm, 49 in·lbf}

7. INSTALL CENTER SLIDING ROOF HOUSING MOUNTING BRACKET RH

HINT:

Use the same procedure as for the LH side.

8. INSTALL FRONT SLIDING ROOF HOUSING MOUNTING BRACKET LH

(a) Install the front sliding roof housing mounting bracket LH with the 2 bolts and 2 nuts.

	Bolt
	Nut

Torque:

Bolt :

8.0 N·m {82 kgf·cm, 71 in·lbf}

Nut :

5.5 N·m {56 kgf·cm, 49 in·lbf}

9. INSTALL FRONT SLIDING ROOF HOUSING MOUNTING BRACKET RH

HINT:

Use the same procedure as for the LH side.

10. INSTALL SLIDING ROOF GLASS SUB-ASSEMBLY

(a) Using a T25 "TORX" socket wrench, temporarily install the sliding roof glass sub-assembly with the 6 screws.

(b) Perform a level check.

(1) Check the difference in level of the sliding roof glass sub-assembly when the sliding roof glass sub-assembly is fully closed.

HINT:

"+" represents the condition that the glass is above the panel level. "-" represents the condition that the glass is below the panel level.

(c) Perform a gap check.

(1) Check the gap between the sliding roof glass sub-assembly and sliding roof housing assembly.

(d) After adjusting the sliding roof glass sub-assembly, using a T25 "TORX" socket wrench, tighten the 6 screws.

Torque:

5.0 N·m {51 kgf·cm, 44 in·lbf}

11. CHECK FOR WATER LEAK

(a) After adjusting the sliding roof glass sub-assembly, check for water leakage into the vehicle interior.

(b) If there are any leaks, readjust the sliding roof glass sub-assembly.

12. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY LH

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13. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

14. INSTALL NO. 4 SLIDING ROOF SIDE GARNISH LH

(a) Move the sliding roof glass sub-assembly to the fully tilted up position.

(b) Align the rear edge of the No. 4 sliding roof side garnish LH with the plate and temporarily install the No. 4 sliding roof side garnish LH.

*a	Plate
	Install in this Direction

(c) Slide the No. 4 sliding roof side garnish LH as shown in the illustration to fit the plate into the groove of the No. 4 sliding roof side garnish LH and install it.

15. INSTALL NO. 4 SLIDING ROOF SIDE GARNISH RH

HINT:

Use the same procedure as for the LH side.

16. INSTALL NO. 3 SLIDING ROOF SIDE GARNISH LH

(a) Install the No. 3 sliding roof side garnish LH. HINT: Make sure the front edge of the No. 3 sliding roof side garnish LH is contacting the rear sliding roof side garnish.

*1 Rear Sliding Roof Side Garnish

17. INSTALL NO. 3 SLIDING ROOF SIDE GARNISH RH

HINT:

Use the same procedure as for the LH side.

18. INSTALL NO. 2 SLIDING ROOF SIDE GARNISH LH

(a) Install the No. 2 sliding roof side garnish LH. HINT: Make sure the front edge of the No. 2 sliding roof side garnish LH is contacting the rear sliding roof side garnish.

*1 Rear Sliding Roof Side Garnish

19. INSTALL NO. 2 SLIDING ROOF SIDE GARNISH RH

HINT:

Use the same procedure as for the LH side.

20. INITIALIZE PANORAMIC MOON ROOF SYSTEM

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21. CHECK PANORAMIC MOON ROOF SYSTEM

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