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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 -> Manual Air Conditioning & Heater System Diagnosis & Testing -> A/C SYSTEM TROUBLESHOOTING -> AIR TEMPERATURE CONTROL NOT FUNCTIONING -> COOL AIR COMES OUT INTERMITTENTLY -> COOL AIR COMES OUT ONLY AT HIGH ENGINE SPEEDS -> INSUFFICIENT COOLING -> INSUFFICIENT FLOW OF COOL AIR -> INSUFFICIENT FLOW OF WARM AIR -> NO AIR FLOW MODE CONTROL -> NO AIR INLET CONTROL -> NO BLOWER CONTROL -> NO BLOWER OPERATION -> NO COOL AIR COMES OUT -> NO ENGINE IDLE UP WHEN A/C SWITCH ON -> NO WARM AIR COMES OUT
Vehicle: 1991 Lexus LS400 4.0 V8 GAS
NO BLOWER OPERATION
- Check fusible link.
- Check heater circuit breaker.
- Check heater main relay.
- Check air conditioning control assembly.
- Check blower speed control relay.
- Check blower motor operation.
- Check blower motor resistor.
- Check the wiring connections and/or wiring of components listed above.
NO BLOWER CONTROL
- Check air conditioning and heater control assembly.
- Check blower speed control relay.
- Check the wiring connections and/or wiring of components listed above.
NO...
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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+.
Anti-lock Brakes -> System Service -> ABS Actuator -> Brake System Bleed -> Component Replacement -> GS300 -> LS400 -> SC300 & SC400 -> Speed Sensors
Vehicle: 1993 Lexus LS400 4.0 V8 GAS
Brake System Bleed
Refer to "Hydraulic Brake Systems" for bleeding the ABS brake system.
Component Replacement
ABS Actuator
GS300
Refer to Fig. for actuator replacement procedure, noting the following:
- Drain high pressure fluid as outlined under "Hydraulic Brake Systems."
- Using brake tube union nut wrench tool No. 09751-36011, or equivalent, disconnect the brake tubes from actuator.
- Reverse procedure to install. Bleed brake and TRAC system as described under "Hydraulic Brake Systems."
LS400
Refer to Figs. and when replacing the actuator, noting ...
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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: 1995 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: 2000 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+.
Starter, Replace
Vehicle: 1992 Lexus LS400 4.0 V8 GAS
- Disconnect battery ground cable, then remove battery.
- Remove cruise control actuator as follows:
- Remove actuator cover.
- Disconnect actuator connector.
- Remove three bolts and cruise...
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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: 2000 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 -> 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...
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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+
Radiator, Replace
Vehicle: 1995 Lexus LS400 4.0 V8 GAS
- Disconnect battery ground cable.
- Remove engine undercover.
- Drain engine oil into suitable container, then remove battery clamp cover.
- Remove air cleaner cover, then the air cleaner hose.
- Remove air cleaner inlet.
- Disconnect upper radiator, reservoir tank inlet, lower radiator and oil cooler hoses from radiator. Plug hose ends to prevent contamination.
- Remove No. 2 fan shroud clips, then disconnect No. 2 s...
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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: 1995 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+.
 Anti-Lock Brake System (ABS) Components Diagram for 1994 Lexus LS400 4.0 V8 GASComponents on diagram: |
 Instrument Panel Connectors (A14 Thru I17) Diagram for 1993 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.
 1997 Lexus LS400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
 2000 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: DINGHY TOWING GUIDE Vehicle: 1996 Lexus LS400 4.0 V8 GAS Auto Systems: |
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Document: WARRANTY INFO - DEAD REMOTE ACCESS KEY BATTERIES Vehicle: 1990 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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Shop online for auto body parts, engines, wheels, lights...
 | 2000 Lexus LS400 Grille Assembly, With emblem provision and bar grille insert; Ensures precise and perfect fit for a reliable and efficient performance; Adds unique and distinctive styling that gives your vehicle a custom look.. | $229.93 |
 | 2000 Lexus LS400 Shock and Strut Mount, Front, Includes other OE replacement strut mounting components necessary for the installation of a new Monroe strut assembly; More than ensuring a complete and worry-free installation, this strut mount complements the ride characteristics of your new Monroe strut assembly.. | $29.83 |
 | 1994 Lexus LS400 16" X 7" Alloy Wheel, ALLOY WHEEL, 16 X 7, 5 STUDS/LUGS, 4.5" BOLT DIA, 9 SLOTS, SILVER, 4-1/2" OFFSETPTD ALL SILV. WILL NOT FIT '95 AND UP., , . | $130.45 |
 | 2000 Lexus LS400 V8, 4 L, 3967 CC Rebuilt Engine, Warranty: 7-Year/70,000 Mile, . | Ad Hoc |
 | 1995 Lexus LS400 Used Bumper Bar, Front, 4DR, Black, BASE, Very Good. | $194.00 |
| 1995 Lexus LS400 Used Alternator, Very Good. | $135.00 |
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