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1993 Lexus LS400 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Lexus LS400 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 Lexus LS400 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
Lexus -> Component Replacement & Adjustment -> EXPANSION VALVE, REPLACE
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
Refer to "Evaporator Core... "
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BRAKE SERVICE PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
Hydraulic Brake Systems -> Troubleshooting
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
Refer to Fig. f...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
Lexus -> Fuel Filter Replacement -> 1993-97 LS400, SC300, SC400 & GS300 -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
Fuel System Pressure Relief
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
- From the luggage compartment, remove the luggage compartment floor mat and trim cover.
- Disconnect the fuel pump electrical connector, Figs. through .
- Start the engine and allow to idle until it stalls.
- Place the ignition switch in the Lock position.
- Disconnect the battery ground cable.
- Connect the fuel pump electrical connector.
- Install the luggage compartment trim cover and floor mat.
Removal & Installation
Do not smoke or al...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
- Raise and support vehicle, then remove wheel and tire assemblies.
- Remove cotter pin, locknut cap and locknut, Fig. .
- When removing right side driveshaft, it will be necessary to remove the O-ring style exhaust hangers and support tail pipe with wire.
- On models with air suspension, disconnect height control sensor and remove both mounting bolts, then support with wire, Fig. .
- On all models, place alignment marks on driveshaft and side gear shaft with a marking pencil, Fig. ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
Starter, Replace
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
- Disconnect battery ground cable.
- Remove intake chamber and intake.
- Disconnect starter wires, remov...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
Lexus -> Automatic Transmission Oil Temperature Warning Lamp ->
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
This lamp will be illuminated when automatic transmission or transfer case fluid temperature exceeds 302°F. If the lamp lights, allow vehicle to operate at idle speed until fluid temperature falls below 248°F; t...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure to in...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1993 Lexus LS400 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 1993 Lexus LS400 AUTOMOBILES
Component location diagrams for most 1993 Lexus LS400 cars and light trucks sold in the U.S. from 1990+.
 Relay Block No.6 Diagram for 1993 Lexus LS400 4.0 V8 GASComponents on diagram: |
 Fuel Injection System Components Diagram for 1993 Lexus LS400 4.0 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1993 Lexus LS400 AUTOMOBILES
OEM drawn wiring diagrams for most 1993 Lexus LS400 cars and light trucks sold in the U.S.
 1993 Lexus LS400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
 1993 Lexus LS400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1993 Lexus LS400 AUTOMOBILES
OEM TSB listings for most 1993 Lexus LS400 cars and light trucks sold in the U.S. from 1985+.
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Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1993 Lexus LS400 4.0 V8 GAS Auto Systems: |
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Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1993 Lexus LS400 4.0 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1993 Lexus LS400 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 Lexus LS400 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1993 Lexus LS400 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1993 Lexus LS400 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1993 Lexus LS400 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
CLICK HERE TO GET FULL ACCESS TO 1993 Lexus LS400 SPECIFICATIONS DATA!
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