Lexus SC300 / Lexus SC400. Manual - part 305

mm

in.

2.0
3.9
4.0

0.08
0.15
0.16

SILENCER SHEET INSTALLATION AREAS

4.0 mm

2.0 mm

2.0 mm

3.9 mm

3.9 mm

3.9 mm

3.9 mm

2.0 mm

2.0 mm

3.9 mm

2.0 mm

3.9 mm

3.9 mm

2.0 mm

3.9 mm

2.0 mm

The figures in the illustration show the silencer sheet thickness.

APPENDIX

AP-3

FOAMED MATERIAL APPLICATION AREAS

The sections shown in the figure below are
filled with foamed material to provide noise
insullation.
After repairing these sections or their periph-
eries, refill with foamed material.
HINT:
1.

Use the service holes located on the
reverse side of the body panel to refill
with foamed material.

2.

When handling foamed material, follow
the directions of the material’s manufac-
turer.

APPENDIX

AP-4

1.

WELD-THROUGH PRIMER (SPOT SEALER)
APPLICATION

For anti-corrosion measures, always apply the
weld-through primer (spot sealer) to welding sur-
faces where the paint film has been removed.
HINT: Apply the weld-through primer (spot sealer)
so that it does not ooze out from the joining sur-
faces.

GENERAL INFORMATION

Anti-rust  treatment is necessary before welding and before and after the painting process.

ANTI-RUST  TREATMENT BEFORE WELDING

Weld-Through  Primer
(Spot Sealer)

WELD-THROUGH  PRIMER (SPOT SEALER)
APPLICATION

ANTI-RUST  TREATMENT BEFORE PAINTING PROCESS

Sealer Gun

1.

BODY SEALER APPLICATION

For water-proofing and anti-corrosion measures,
always apply the body sealer to the body panel
seams and hems of the doors, hoods, etc.

BODY SEALER APPLICATION

2.

UNDERCOAT APPLICATION

To prevent corrosion and protect the body from dam-
age by flying stones, always apply sufficient undercoat
to the bottom surface of the under body and inside of
the wheel housings.

UNDERCOAT APPLICATION

ANTI-RUST TREATMENT

AR-2

Steel Metal

Undercoat (ED Primer)

Anti-Chipping Paint

Second Coat

Steel Metal

Undercoat (ED Primer)

Second Coat

Top Coat

REFERENCE: ANTI-RUST TREATMENT BY PAINTING

ANTI-RUST  TREATMENT AFTER PAINTING PROCESS

1.

ANTI-RUST  AGENT (WAX) APPLICATION

To preserve impossible to paint areas from
corrosion, always apply sufficient  anti-rust
agent (wax) to the inside of the hemming
areas of the doors and hoods, and around
the hinges, or the welded surfaces inside
the boxed cross-section structure of the
side member, body pillar, etc.

ANTI-RUST  AGENT (WAX) APPLICATION

Painting prevents corrosion and protects the sheet metal from damage. In this section, anti-chipping paint
only for anti-corrosion purpose is described.

1.

ANTI-CHIPPING  PAINT

To prevent corrosion and protect the body from damage by flying stones, etc., apply anti-chipping
paint to the rocker panel, wheel arch areas, valance panel, etc.
HINT: 
Depending on the model or the application area, there are cases where the application of anti-
chipping paint is necessary before the second coat or after the top coat.

Apply the anti-chipping paint
before the second coat.

Apply the anti-chipping paint
after the top coat.

Top Coat

Anti-Chipping Paint

ANTI-RUST  TREATMENT

AR-3