1991 LEXUS SC400 Service Repair Manual

Page 1225 of 4087

LEXUS SC400 1991  Service Repair Manual 
BODY PANEL UNDERCOATING AREAS
HINT:1. First wipe off any dirt, grease or oil with a rag soaked in a grease, wa\
x and silicone remover.
2. Cover the surrounding areas with masking paper to avoid coat

Page 1226 of 4087

LEXUS SC400 1991  Service Repair Manual 
BODY PANEL ANTI-RUST AGENT (WAX) APPLICATION
AREAS
HINT:1. Whenever adjusting the doors and hoods, apply anti-rust agent (wax) ar\
ound the hinges.
2. Even if partially repairing a part, apply anti-r

Page 1227 of 4087

LEXUS SC400 1991  Service Repair Manual 
HINT: Apply anti-chipping paint to a thickness of about 300 microns.
BODY PANEL ANTI-CHIPPING PAINT APPLICATION AREAS
HINT:1. Anti-chipping  paint should be applied to some areas before the second co

Page 1228 of 4087

LEXUS SC400 1991  Service Repair Manual 
mm in.  2
10
13
15
18 0.08
0.39
0.51
0.59
0.71
10
f
18f
18f
Assembly Mark Assembly
Mark
STANDARD BODY MARKS
Center Mark
(15
f)
Assembly Mark Center Mark
2R
18
f
Assembly Mark
18
f
13f
Assembly Mark
B

Page 1229 of 4087

LEXUS SC400 1991  Service Repair Manual 
REFERENCE:
HIGH-STRENGTH STEEL (HSS) PARTS
Generally, High-Strength Steel (HSS) is that which has an intensity value of at\
 least 35 kgf/mm2 (343 MPa),
and distinguished from mild steel.
The handlin

Page 1230 of 4087

LEXUS SC400 1991  Service Repair Manual 
Ordinary Galvannealed
Steel SheetZinc-Iron Alloy Double-
Layer Galvannealed 
Steel Sheet
REFERENCE:
RUST-RESIST ANT STEEL SHEET PARTS
Rust-Resistant  Steel Sheets have zinc, tin or aluminum etc, plat

Page 1231 of 4087

LEXUS SC400 1991  Service Repair Manual 
GENERAL INFORMATION
1. BASIC DIMENSIONS
(a) There are two types of dimensions in the diagram.(Three-dimensional distance)
Straight-line distance between the centers of two
measuring points.
(Two-dim

Page 1232 of 4087

LEXUS SC400 1991  Service Repair Manual 
mm (in.)
BO6846
BO6860
1,218
(47.95)392
(15.43)
H-U
h-u
K-o
k-O 1,186
(46.69)
H-T
h-t
393
(15.47)
D-U
D-u 379
(14.92)
G-U
g-u
1,158
(45.59)
D-T
D-t G-T
g-t
366
(14.41)
1,299
(51.14)
D-S
D-s 151
(5.94