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Lexus LS430 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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A/C & HEATER SERVICE PROCEDURES FOR Lexus LS430 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 LS430 cars and light trucks from 1990+
Serpentine Drive Belt Routing -> Imported Passenger Cars, Light Trucks & Vans -> Lexus
Vehicle: 2003 Lexus LS430 4.3 V8 GAS
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BRAKE SERVICE PROCEDURES FOR Lexus LS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Lexus LS430 cars and light trucks from 1990+.
Power Brake Units -> Power Brake Unit Service -> Brake Booster Overhaul -> Brake Booster, Replace -> ES300 -> Installation -> IS300 -> LS400 -> LS430 -> Removal -> RX300 -> SC300, SC400 & 1997-2000 GS300 & GS400
Vehicle: 2002 Lexus LS430 4.3 V8 GAS
Brake Booster, Replace
ES300
Refer to Camry under "Power Brake Units" in "Toyota Unit Repair" for service procedures.
IS300
Removal
- Raise and support vehicle, then remove left front wheel.
- Remove master cylinder as outlined in "Component Replacement" under "Hydraulic Brake Systems."
- Disconnect vacuum hose from brake booster.
- Disconnect left front brake line from flexible hose of front caliper.
- Separate grommet from body through brake line, then disconnect brake line from clamp.
- Remove three bolts, Fig. , and disconnect three clamps.
- Remove lower finish panel.
- Remove return spring, clip and...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Lexus LS430 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Lexus LS430 cars and light trucks sold in the U.S. for 1980+.
Lexus -> Fuel Filter Replacement -> GS430, LS430, SC430 & 1998-06 GS300 -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2001 Lexus LS430 4.3 V8 GAS
Fuel System Pressure Relief
- Remove the rear seat cushion.
- Remove the carpeting to access floor service hole cover.
- Disconnect the fuel pump electrical connector.
- Start the engine and let it idle until it stalls, then turn ignition OFF.
- Disconnect the battery ground cable.
Removal & Installation
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtu...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Lexus LS430 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Lexus LS430 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace -> Rear
Vehicle: 2005 Lexus LS430 4.3 V8 GAS
Rear
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and rear wheels.
- Remove tailpipe.
- Remove nuts and bolt with engine undercover.
- Remove bolts from suspension member brace.
- Place reference mark on driveshaft and side gear shaft.
- Using another jack, lift wheel until driveshaft is positioned horizontally. If driveshaft cannot be removed after performing above, restore it to original condition and remove lower suspension arm.
- Place a 10 mm hexagon wrench and remove six hexagon bolts and two washers while depressing brake pedal.
- Rem...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Lexus LS430 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Lexus LS430 cars and light trucks from 1990+.
Starter, Replace
Vehicle: 2005 Lexus LS430 4.3 V8 GAS
- Disconnect battery ground cable.
- Remove V-Bank engine cover.
- Remove air cleaner inlet and intake air connector.
- Disconnect throttle body.
- Remove intake manifold assembly.
- Remove rear water bypass joint.
- Remove water bypass pipe.
- Remove bolt, then pull out water bypass pipe from water pump.
- Disconnect wire clam...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Lexus LS430 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Lexus LS430 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Lexus -> 2001-06 LS430, 2007-09 LS460 & 2008-09 LS600h -> Front Cabin Air Filter -> Rear Cabin Air Filter
Vehicle: 2001 Lexus LS430 4.3 V8 GAS
Front Cabin Air Filter
On 2001-03 LS430 models, the cabin air filter should be replaced every 16 months or 20,000 miles. The filter should be replaced more often if air flow is less than normal.
On 2004-06 LS430, 2007-09 LS460 and 2008-09 LS600h models, the cabin air filter should be replaced every 12 months or 10,000 miles. 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 re...
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MAINTENANCE LAMP RESET PROCEDURES FOR Lexus LS430 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Lexus LS430 cars and light trucks sold in the U.S. from 1990+.
Lexus -> Automatic Transmission Oil Temperature Warning Lamp ->
Vehicle: 2006 Lexus LS430 4.3 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 Lexus LS430 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Lexus LS430 cars and light trucks from 1990+
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2006 Lexus LS430 4.3 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 ...
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SERPENTINE BELT SERVICE PROCEDURES FOR Lexus LS430 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Lexus LS430 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2003 Lexus LS430 4.3 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 LS430 AUTOMOBILES
Component location diagrams for most Lexus LS430 cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR Lexus LS430 AUTOMOBILES
OEM drawn wiring diagrams for most Lexus LS430 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Lexus LS430 AUTOMOBILES
OEM TSB listings for most Lexus LS430 cars and light trucks sold in the U.S. from 1985+.
Document: BATTERY MAINTENANCE FOR IN-STOCK VEHICLES & PRE-DELIVERY Vehicle: 2006 Lexus LS430 4.3 V8 GAS Auto Systems: |
Document: BLUETOOTH COMPATIBLE CELLULAR PHONES - OBSOLETE Vehicle: 2005 Lexus LS430 4.3 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Lexus LS430 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Lexus LS430 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 LS430 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 LS430 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 LS430 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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