Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL SLIDING ROOF HOUSING ASSEMBLY

(a) Loosen the 4 bolts of the brackets of the sliding roof housing assembly.

(b) Temporarily install the sliding roof housing assembly with the 6 nuts and 8 bolts.

(c) Tighten the 2 nuts.

HINT:

Tighten the 2 nuts in the order shown in the illustration.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(d) Tighten the 4 nuts.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(e) Tighten the 12 bolts to install the sliding roof housing assembly.

Bolt (A)

Bolt (B)

Bolt (C)

-

-

HINT:

  • The brackets can be installed in any order.
  • Tighten the bolts in the order of (A), (B) and then (C).

Torque:

Bolt (A), (B) :

8.0 N·m {82 kgf·cm, 71 in·lbf}

Bolt (C) :

5.4 N·m {55 kgf·cm, 48 in·lbf}

2. CONNECT SLIDING ROOF DRAIN HOSE

HINT:

Use the same procedure for all of the sliding roof drain hoses.

(a) for Clamp Type:

(1) Connect the sliding roof drain hose.

HINT:

Slide the hose to the base of the drain pipe.

*a

Clamp

*b

Marking

(2) Engage the claw to secure the sliding roof drain hose.

HINT:

Make sure that the clamp is on the marking.

(b) for Clip Type:

(1) Expand the clip to connect the sliding roof drain hose.

HINT:

Slide the hose to the base of the drain pipe.

*a

Clip

*b

Marking

(2) Release the clip to secure the sliding roof drain hose.

HINT:

Make sure that the clip is on the marking.

3. INSTALL SLIDING ROOF WEATHERSTRIP

(a) Install the sliding roof weatherstrip.

*a

Joint

*b

Alignment Mark (Blue)

*c

Middle Mark

*d

Correct

*e

Incorrect

*f

Pinched

*g

Gap (raised, wavy, etc.)

-

-

Front Side

-

-

(1) Position the joint of the sliding roof weatherstrip on the rear side.

(2) Align the alignment marks (Blue) on the sliding roof weatherstrip with the middle marks on the front corners of the sliding roof panel sub-assembly and install the sliding roof weatherstrip.

HINT:

Make sure to install the lip of the sliding roof weatherstrip securely.

4. INSTALL SLIDING ROOF GLASS SUB-ASSEMBLY

(a) Using a T25 "TORX" socket wrench, temporarily install the sliding roof glass sub-assembly with the 4 screws.

(b) Perform a level check.

(1) Check the difference in level "a" between the roof panel and the upper surface of the sliding roof weatherstrip 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.

Standard:

Area

Measurement

Area

Measurement

A - A

-2.0 to 1.0 mm (-0.0787 to 0.0394 in.)

B - B

-1.0 to 2.0 mm (-0.0394 to 0.0787 in.)

C - C

-1.5 to 1.5 mm (-0.0591 to 0.0591 in.)

D - D

-1.0 to 1.5 mm (-0.0394 to 0.0591 in.)

(c) Perform a gap check.

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

NOTICE:

The gap must be even all around.

*a

Even

(d) After adjusting the sliding roof glass sub-assembly, using a T25 "TORX" socket wrench, install the sliding roof glass sub-assembly with the 4 screws.

Torque:

4.0 N·m {41 kgf·cm, 35 in·lbf}

5. 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.

6. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY LH

Click here

7. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

8. INSTALL SLIDING ROOF SIDE GARNISH LH

(a) Engage the 4 claws to install a new sliding roof side garnish LH.

9. INSTALL SLIDING ROOF SIDE GARNISH RH

HINT:

Use the same procedure as for the LH side.

10. INITIALIZE SLIDING ROOF SYSTEM

for Gasoline Model: Click here

for HV Model: Click here

11. CHECK SLIDING ROOF SYSTEM

for Gasoline Model: Click here

for HV Model: Click here

    Disassembly

    Reassembly

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