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Lexus LS400 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 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 Lexus LS400 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 Lexus LS400 cars and light trucks from 1990+
Lexus -> Component Replacement & Adjustment -> ADJUSTMENTS -> CONTROL CABLE, ADJUST
Vehicle: 1992 Lexus LS400 4.0 V8 GAS
CONTROL CABLE, ADJUST
- Disconnect clip and remove control cable from water valve.
- Turn ignition switch to On position.
- Set blower switch to On positi...
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BRAKE SERVICE PROCEDURES FOR Lexus LS400 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Lexus LS400 cars and light trucks from 1990+.
Disc Brakes -> Front Disc Brakes -> Caliper Service -> Assembly -> Caliper Overhaul -> Caliper, Replace -> Disassembly
Vehicle: 1994 Lexus LS400 4.0 V8 GAS
Caliper, Replace
- Remove brake hose from caliper assembly, by removing union bolt and gaskets.
- Remove caliper bolts from torque plate, then the caliper.
- Remove brake pads and hardware as outlined in "Brake Pad Service."
- Reverse procedure to install, noting the following:
- Use new gaskets on union bolt and tighten union bolt to specifications.
- Tighten caliper bolts to specifications.
- Fill reservoir, then bleed brakes and check for leaks.
Caliper Overhaul
Disassembly
- Remove calipers as outlined.
- Remove cylinder boot set rings and cylinder boots.
- Place a piece of cloth between piston and cal...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Lexus LS400 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Lexus LS400 cars and light trucks sold in the U.S. for 1980+.
Lexus -> Component Locations -> 1993-00 LS400
Vehicle: 1998 Lexus LS400 4.0 V8 GAS
Refer to Fig....
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Lexus LS400 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Lexus LS400 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace -> Rear
Vehicle: 1997 Lexus LS400 4.0 V8 GAS
Rear
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and rear wheels.
- Remove suspension member brace bolts.
- Remove split pin and driveshaft castle nut and washer from front hub.
- Apply brake and remove axle hub nut.
- Place reference mark on adjusting cam and lower suspension arm
- Remove bolt and disconnect lower suspension arm from axle hub.
- Place reference m...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Lexus LS400 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Lexus LS400 cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1998 Lexus LS400 4.0 V8 GAS
- Disconnect battery ground cable.
- Remove battery clamp cover.
- Remover air cleaner inlet.
- Loosen drive belt tension by turning belt tensioner counterclockwise, then remove drive belt.
- Remove oil pan protector and engine undercover.
- Disco...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Lexus LS400 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Lexus LS400 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Lexus -> 1996-2000 LS400 & 1999-2003 RX300
Vehicle: 1996 Lexus LS400 4.0 V8 GAS
The cabin air filter should be replaced every 15,000 miles or 12 months. The filter should be replaced more often if air flow is less than normal.
- Open the glove compartment.
- Remove the cover from the rear of the glove compartment.
- Through the glove compartment cover opening, disengage the filter cover retainers, then remove the cover and th...
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MAINTENANCE LAMP RESET PROCEDURES FOR Lexus LS400 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Lexus LS400 cars and light trucks sold in the U.S. from 1990+.
Lexus -> Lexus Ride Control (LRC) Indicator Lamp ->
Vehicle: 1994 Lexus LS400 4.0 V8 GAS
The electronic modulated air suspension system has internal self-diagnostic capabilities. When the ignition switch is placed in the On position, the LRC indicator lamp should light for approximately 2 seconds. If the lamp flashes continuously at 1 second intervals, the Electronic Control Unit (ECU) has stored a diagnostic trouble code.
Following diagnosis a...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Lexus LS400 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Lexus LS400 cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 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 to ...
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SERPENTINE BELT SERVICE PROCEDURES FOR Lexus LS400 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Lexus LS400 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1997 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 Lexus LS400 AUTOMOBILES
Component location diagrams for most Lexus LS400 cars and light trucks sold in the U.S. from 1990+.
 I/P Connector Locations, A18 Through F17 Diagram for 1998 Lexus LS400 4.0 V8 GASComponents on diagram: |
 I/P Main Harness Connectors (IG-1 Thru II-2) Diagram for 1992 Lexus LS400 4.0 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Lexus LS400 AUTOMOBILES
OEM drawn wiring diagrams for most Lexus LS400 cars and light trucks sold in the U.S.
 1993 Lexus LS400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
 1990 Lexus LS400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Lexus LS400 AUTOMOBILES
OEM TSB listings for most Lexus LS400 cars and light trucks sold in the U.S. from 1985+.
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Document: NEW SEAT BELT TONGUE PLATE STOPPER SERVICE PARTS Vehicle: 1992 Lexus LS400 4.0 V8 GAS Auto Systems: |
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Document: SENSOR INSPECTION FOR AIR CONDITIONING SYSTEM Vehicle: 1992 Lexus LS400 4.0 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Lexus LS400 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 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 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 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 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
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