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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Lexus SC400 car and truck
repair procedures including Lexus engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1993 Lexus SC400 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1993 Lexus SC400 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Lexus SC400 cars and light trucks from 1990+
Air Bag System Precautions -> Lexus -> Arming
Vehicle: 1993 Lexus SC400 4.0 V8 GAS
For Lexus LX 450 & LX 470 Information, Refer to "Land Cruiser" In "Toyota."
- Ensure ignition is in Lock position.
- Connect battery ground cable. Ensure no one is inside vehicle when connecting battery ground cable.
- Wait at least 10 seconds before turning ignition from Lock position.
- Fr...
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Lexus SC400 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Lexus SC400 cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1993-95 -> Leak Test -> Electronic Leak Detectors -> Flame-Type (Halide) Leak Detectors -> Fluid Leak Detectors
Vehicle: 1993 Lexus SC400 4.0 V8 GAS
Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.
R-12 leak detectors will not detect R-134a leaks. For R-134a system an electronic type leak detector i...
CLICK HERE TO GET FULL ACCESS TO 1993 Lexus SC400 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Lexus SC400 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Lexus SC400 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1993 Lexus SC400 4.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 1993 Lexus SC400 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Lexus SC400 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Lexus SC400 cars and light trucks from 1990+
Lexus -> Hydraulic Cooling Fans -> COMPONENT REPLACEMENT -> COOLING FAN ECU -> ES 300 -> HYDRAULIC MOTOR -> HYDRAULIC PUMP -> OIL COOLER -> Removal -> SC 400 -> WATER TEMPERATURE SENSOR
Vehicle: 1993 Lexus SC400 4.0 V8 GAS
Refer to in "Toyota" for service procedures not found.
HYDRAULIC MOTOR
ES 300
- Drain engine coolant into suitable container, then disconnect pressure hose from hydraulic motor.
- Remove cruise control actuator cover, then disconnect upper radiator hose, engine coolant reservoir hose and hydraulic motor return hose.
- Remove hydraulic fan retaining bolts, then hydraulic fan, Fig. .
- Remove cooling fan from hydraulic motor, then motor from fan shroud.
- Reverse procedure to install. Bleed system as outlined under "Hydraulic Cooling Fa... "
CLICK HERE TO GET FULL ACCESS TO 1993 Lexus SC400 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Lexus SC400 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Lexus SC400 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1993 Lexus SC400 4.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 1993 Lexus SC400 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Lexus SC400 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Lexus SC400 cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1993-95 -> Discharging System
Vehicle: 1993 Lexus SC400 4.0 V8 GAS
R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.
R-12 recovery stations cannot be used on R-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.
The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.
When using a recovery or recycling station, follow t...
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