Lexus SC300 / Lexus SC400. Manual - part 110

MOON ROOF
Fitting Adjustments

(See page 

BO–83

)

1. 

INSPECT SLIDING ROOF GLASS ALIGNMENT
(a)  Start the engine and check the operation time of the

sliding roof.

Operation time:  Approx. 5 secs.

(b)  Check for abnormal noise or binding during operation.
(c)  With the sliding roof fully closed, check for water

leakage.

(d)  Check for a difference in level between the sliding roof

weatherstrip and roof panel.

Front end: 

–1 

 

±

 1 mm (–0.039 

±

 0.039 in.)

Rear end:

0 

±

  1 mm (0 

±

  0.039 in.)

If the sliding roof does not operate:
(e)  Remove the control switch cover.
(f)  Remove the large screw inside.

NOTICE:  Be careful not to lose the spring washer or
shim.
(g)  Manually operate the moon roof by inserting a special

crank–shaped screwdriver into the hole and turning the
drive shaft.

2. 

REMOVE SLIDING ROOF GARNISHES
Before marking adjustments, remove the left and right sliding
roof garnishes.
HINT: 

After adjustment, reinstall the sliding roof gar-

nishes.

3. 

TO ADJUST LEVEL DIFFERENCE
Adjust by increasing or decreasing the number of shims be-
tween the bracket and sliding roof.

4. 

TO ADJUST FORWARD OR REARWARD
(a)  Adjust by loosening the sliding roof installation nuts, and

move the sliding roof bracket forward and backward.

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BODY

Moon Roof (Fitting Adjustments)

BO–81

(b)  When the front or rear alignment is not correct, remove

the glass and adjust the drive rail.

(c)  Using a screwdriver, slide the link forward or backward

to align the two marks as shown.

(d)  Slide the bracket to the forefront with your hand.

5. 

TO ADJUST RIGHT OR LEFT
Adjust by loosening the sliding roof rear shoe installation
nuts, and move the sliding roof to the right and left.

6. 

TO ADJUST CLEARANCE
(Difference in left and right clearance)

Adjust by loosening the sliding roof installation nuts and read-
just the sliding roof to the proper position.

BO–82

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Moon Roof (Fitting Adjustments)

Sliding Roof

COMPONENTS

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Moon Roof (Sliding Roof)

BO–83

COMPONENTS (Cont’d)

BO–84

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Moon Roof (Sliding Roof)