1991 LEXUS SC400 Service Repair Manual

roof transmission TPMS airbag bluetooth air condition

Page 1153 of 4087

LEXUS SC400 1991 Service Repair Manual
ABBREVIATIONS USED IN THIS MANUAL
For convenience, the following abbreviations are used in this
manual.
ABS Antilock Brake System
assy assembly
ECT Electronic Controlled Transmission
ECU Electronic

Page 1154 of 4087

LEXUS SC400 1991 Service Repair Manual
CodeMaterial
name Heat *
resistant
temperature
limit
°C (°F) Resistance to
alcohol or gasoline Notes
AAS Acrylonitrile
Acrylic Styrene 80
(176) Alcohol is harmless if applied
only for short time

CodeMaterial
name Heat *
resistant
temperature
limit
°C (°F) Resistance to
alcohol or gasoline Notes
AAS Acrylonitrile
Acrylic Styrene 80
(176) Alcohol is harmless if applied
only for short time in small
amounts (e.g., quick wiping to
remove grease). Avoid gasoline and or-
ganic or aromatic sol-
vents.
ABS Acrylonitrile
Butadiene Styrene 80
(176) Alcohol is harmless if applied
only for short time in small
amounts (e.g., quick wiping to
remove grease).
Avoid gasoline and or-
ganic or aromatic sol-
vents.
AES Acrylonitrile
Ethylene Styrene 80
(176) Alcohol is harmless if applied
only for short time in small
amounts (e.g., quick wiping to
remove grease). Avoid gasoline and or-
ganic or aromatic sol-
vents.
BMC Bulk
Moulding
Compound
150
(302) Alcohol and gasoline are
harmless. Most solvents are
harmless.
CAB Cellulose
Acetate 80
(176) Alcohol is harmless if applied
only for short time in small
amounts (e.g., quick wiping to
remove grease). Avoid gasoline and or-
ganic or aromatic sol-
vents.
EPDM Ethylene
Propylene 100
(212) Alcohol is harmless.
Gasoline is harmless if applied
only for short time in small
amounts. Most solvents are harm-
less but avoid dipping in
gasoline, solvents, etc.
PA Polyamide
(Nylon) 80
(176) Alcohol and gasoline are
harmless.
Avoid battery acid.
PBT Polybutylene
Terephthalate 160
(320) Alcohol and gasoline are
harmless. Most solvents are
harmless.
PC Polycarbonate 120
(248) Alcohol is harmless. Avoid gasoline, brake
fluid, wax, wax removers
and organic solvents.
PE Polyethylene 80
(176) Alcohol and gasoline are
harmless. Most solvents are
harmless.
PET Polyethylene
Terephthalate 75
(167) Alcohol and gasoline are
harmless.
Avoid dipping in water.
HANDLING PRECAUTIONS
1. The repair procedure for plastic body parts must conform with the type o\
f plastic material.
2. Plastic body parts are identified by the codes in the following chart.
3. When repairing metal body parts adjoining plastic body parts (by brazin\
g, frame cutting, welding, paint-
ing, etc.), consideration must given to the property of the plastic.
*Temperatures higher than those listed here may result in material deforma\
tion during repair.
PLASTIC BODY PARTSPP-2
WhereEverybodyKnowsYourName

Page 1155 of 4087

LEXUS SC400 1991 Service Repair Manual
CodeMaterial
name Heat*
resistant
temperature
limit
°C (°F) Resistance to
alcohol or gasoline Notes
PMMA Polymethyl
Methacrylate 80
(176) Alcohol is harmless if applied only
for short time in sma

CodeMaterial
name Heat*
resistant
temperature
limit
°C (°F) Resistance to
alcohol or gasoline Notes
PMMA Polymethyl
Methacrylate 80
(176) Alcohol is harmless if applied only
for short time in small amounts.
Avoid dipping or immers-
ing in alcohol, gasoline,
solvents, etc.
POM Polyoxymethylene
(Polyacetal) 100
(212) Alcohol and gasoline are
harmless.
Most solvents are
harmless.
PP Polypropylene 80
(176) Alcohol and gasoline are
harmless.
Most solvents are
harmless.
PPO Modified
Polyphenylene
Oxide
100
(212) Alcohol is harmless. Gasoline is harmless if
applied only for quick
wiping to remove
grease.
PS Polystyrene 60
(140) Alcohol and gasoline are harm-
less if applied only for short time
in small amounts. Avoid dipping or immers-
ing in alcohol, gasoline,
solvents, etc.
PUR Polyurethane 80
(176) Alcohol is harmless if applied only for
very short time in small amounts (e.g.,
quick wiping to remove grease).
Avoid dipping or immers-
ing in alcohol, gasoline,
solvents, etc.
PVC Polyvinylchloride
(Vinyl) 80
(176) Alcohol and gasoline are harmless if
applied only for short time in small
amounts (e.g., quick wiping to remove
grease). Avoid dipping or immers-
ing in alcohol, gasoline,
solvents, etc.
SAN Styrene
Acrylonitrile 80
(176) Alcohol is harmless if applied only
for short time in small amounts
(e.g., quick wiping to remove
grease).
Avoid dipping or immers-
ing in alcohol, gasoline,
solvents, etc.
SMC Sheet
Moulding
Compound
180
(356) Alcohol and gasoline are
harmless.
Avoid alkali
TPO Thermoplastic
Olefine 80
(176) Alcohol is harmless.
Gasoline is harmless if applied only
for short time in small amounts.
Most solvents are harm-
less but avoid dipping in
gasoline, solvents, etc.
TPU Thermoplastic
Polyurethane 80
(176) Alcohol is harmless if applied only for
very short time in small amounts (e.g.,
quick wiping to remove grease).
Avoid dipping or immers-
ing in alcohol, gasoline,
solvents, etc.
UP Unsaturated
Polyester 11 0
(233) Alcohol and gasoline are
harmless.
Avoid alkali
* Temperatures higher than those listed here may result in material deforma\
tion during repair.
PLASTIC BODY PARTSPP-3
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Page 1156 of 4087

LEXUS SC400 1991 Service Repair Manual
LOCATION OF PLASTIC BODY PARTS
Outside Rear View Mirror (ABS)
Instrument Panel Safety Pad (PVC/PUR) Rear Spoiler (SMC)
Front Turn Signal Light (PC/PP)
Center Stop Light (PC)
Mead Light (PC/PP)
Head L

Page 1157 of 4087

LEXUS SC400 1991 Service Repair Manual
Front Door Trim Upper Panel (ABS/PVC)
Battery Insulator (PE) Roof Side Inner Garnish (ABS/PVC)
Front Pillar Garnish (ABS/PVC)
Speed Control Actuator Cover (PP)
Radiator Reserver Tank (PP)
Radiator Co

Page 1158 of 4087

LEXUS SC400 1991 Service Repair Manual
Steering Wheel Pad (PUR)A/C and Blower Unit (PP) Luggage Compartment Door
Striker Cover (PP)
Fuel Filler Opening
Lid (PBT)Rear Combination
Light (PMMA/PC/PP)
Door Scuff Outside Plate (PP) Door Scuff

Page 1159 of 4087

LEXUS SC400 1991 Service Repair Manual
RADIATOR UPPER SUPPORT (ASSY)
REMOVAL
BODY PANEL REPLACEMENTRE-2
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Page 1160 of 4087

LEXUS SC400 1991 Service Repair Manual
INSTALLATION
1. Temporarily install the new parts and measureeach part in accordance with the body dimen-
sion diagram.
HINT: First install the hood lock support.
BODY PANEL REPLACEMENTRE-3
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