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1994 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!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1994 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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Lexus mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1994 Lexus LS400 vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    Lexus -> Electric Cooling Fans -> PRECAUTIONS -> AIR BAG SYSTEM DISARMING & ARMING -> CODED THEFT PROTECTION DISARMING
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    AIR BAG SYSTEM DISARMING & ARMING

    Refer to and for air bag disarming and arming procedures.

    CODED THEFT PROTECTION DISARMING

    • Obtain theft protection code number fro...

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    Disc Brakes -> Front Disc Brakes -> Troubleshooting
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    Refer to the cha...

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    Lexus -> Component Locations -> 1993-00 LS400
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    Refer to Fig....

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 1994 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. ...

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    Alternator, Replace
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    • Remove battery clamp cover.
    • Remove air cleaner inlet.
    • Loosen belt tension by turning belt tensioner counterclockwise, and remove drive belt. The pulley bolt for belt tensioner has a lefthand thread.
    • Remove oil pan protector.
    • Remove engine under cover.
    • Disconnect power steering oil cooler pipe from oil pan.
    • Disconnect alternator connector.
    • Remov...

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    Lexus -> Air Bag Warning Lamp -> 1990-2000 LS400
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    The air bag system warning lamp warns of air bag system faults. The lamp will be lit when the ignition switch is placed in the Accessory or On positions, but should go out when the self-diagnostic system determines that no faults are present. If the lamp remains lit or flashes, a system fault is indicated. Air bag system diagnosis and repair procedures must be completed before the warning lamp can be reset.

    Reset warning lamp as follows:

    • Connect service wires to check connec...

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    Lower

    • Disconnect battery ground cable.
    • Drain cooling system into a suitable container by loosening drain plug of radiator.
    • Reposition hose clamp at radiator outlet.
    • Remove hose from radiator.
    • Reposition hose clamp at thermostat housing.
    • Remove hose from thermostat housing.
    • Remove hose from vehicle.
    • Reverse procedure...

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1994 Lexus LS400 AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...

    CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1994 Lexus LS400 AUTOMOBILES

    Component location diagrams for most 1994 Lexus LS400 cars and light trucks sold in the U.S. from 1990+.

    Fuel Injection System Components Diagram for 1994 Lexus LS400  4.0 V8 GASFuel Injection System Components Diagram for 1994 Lexus LS400 4.0 V8 GAS

    Components on diagram:
  • Air Pump
  • AIR Pump Relay
  • EGR Valve
  • EGR Temperature Sensor
  • Sub Oxygen Sensor
  • Instrument Panel Connectors (A14 Thru I17) Diagram for 1994 Lexus LS400  4.0 V8 GASInstrument Panel Connectors (A14 Thru I17) Diagram for 1994 Lexus LS400 4.0 V8 GAS

    Components on diagram:
  • Connector E-11
  • Connector C-12
  • Connector C-13
  • Connector C-11
  • Connector C-15
  • CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1994 Lexus LS400 AUTOMOBILES

    OEM drawn wiring diagrams for most 1994 Lexus LS400 cars and light trucks sold in the U.S.

    1994 Lexus LS400  4.0 V8 GAS Wiring Diagram1994 Lexus LS400 4.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Symbol Identification
  • 1994 Lexus LS400  4.0 V8 GAS Wiring Diagram1994 Lexus LS400 4.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Magnetic Clutch Relay
  • Blower Resistor
  • Heater Relay
  • High Speed Blower Relay
  • A/C Power Transistor
  • CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1994 Lexus LS400 AUTOMOBILES

    OEM TSB listings for most 1994 Lexus LS400 cars and light trucks sold in the U.S. from 1985+.

    Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    Auto Systems:
  • Finishes, Body Structure, Frame, Bumpers
  • Document: REPLACEMENT CERTIFICATION LABELS - REVISED
    Vehicle: 1994 Lexus LS400 4.0 V8 GAS

    Auto Systems:
  • Identification, Models, Labels, Etc.
  • CLICK HERE TO GET FULL ACCESS TO 1994 Lexus LS400 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1994 Lexus LS400 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 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 1994 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 1994 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 1994 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 1994 Lexus LS400 SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 1997 Lexus LS400 Corner Light, Passenger Side1997 Lexus LS400 Corner Light, Passenger Side, Bulbs not included; DOT and SAE approved; A high quality, direct fit OE replacement corner light; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $42.46

    Click here to view more details about 1995 Lexus LS400 Oxygen Sensor1995 Lexus LS400 Oxygen Sensor.

    Source: Auto Body Parts Store

    $23.08

    Click here to view more details about 1992 Lexus LS400 Side Marker/corner Lamp, Passenger Side1992 Lexus LS400 Side Marker/corner Lamp, Passenger Side, SIDE MARKER/CORNER LAMP, RH (CORNER OF FENDER) , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $46.45

    Click here to view more details1995 Lexus LS400 V8, 4 L, 3967 CC Rebuilt Engine, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details1990 Lexus LS400 Used Power Window Motor, Passenger Side, 4DR Front, Good.

    Source: Used Auto Parts Store

    $93.00

    Click here to view more details1990 Lexus LS400 Used Rear Drive Shaft, Very Good.

    Source: Used Auto Parts Store

    $154.00
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