roof rack LEXUS SC300 1991 Service Repair Manual

MOON ROOF
Fitting Adjustments
(See page BO±83)
1. INSPECT SLIDING ROOF GLASS ALIGNMENT (a) Start the engine and check the operation time of thesliding roof.
Operation time: Approx. 5 secs.
(b) Check for abnormal noise or binding during operation.
(c) With th e slid in g ro o f fu lly clo se d , ch e ck fo r wa te rleakage.
(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, andmove the sliding roof bracket forward and backward.
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BODY Moon Roof (Fitting Adjustments)BO±81
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(b) When the front or rear alignment is not correct, removethe 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 l oosening the sliding roof installation nuts and read-
just the sliding roof to the proper position.
BO±82
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BODY Moon Roof (Fitting Adjustments)
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11. REMOVE DRIVE RAIL(a) Slide the drive cable forward.
(b) Slide the rail forward and disconnect the clamp, thenremove it.
INSTALLATION OF SLIDING ROOF
(See pages BO±83 to 84)
1. INSTALL FOLLOWING PARTS: (a) Drive rail
(b) Sunshade trim
(c) Roof drip channel
2. INSTALL CABLE GUIDE CASING (a) Insert the cable to the casing and install the cable guidecasing gradually to both sides.
(b) Insert the casing to the drive rail as shown.
(c) Install the two nuts to the sliding roof housing.
(d) Install the sliding roof control relay.
(e) Connect the front side of drain hose.
HINT: Place the knobs of clips to upper side.
(f) Install two screws and guide rail cover.
(g) Install two screws to the drive rail.
3. INSTALL ROOF DRIP CHANNEL
4. INSTALL WIND DEFLECTOR
5. ADJUST DRIVE RAIL HINT: Adjust the drive rail to a closed and tilted down posi-
tion.
(a) Using a screwdriver, slide the link forward or backward
to align the two marks as shown.
(b) Slide the bracket to the forefront with your hand.
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BODY Moon Roof (Sliding Roof)BO±87
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