Lexus SC430 REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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Lexus SC430 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Lexus SC430 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 SC430 automobile. Try the Automotix DIY solution today!
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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 Lexus SC430 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 Lexus SC430 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 SC430 cars and light trucks from 1990+

Serpentine Drive Belt Routing -> Imported Passenger Cars, Light Trucks & Vans -> Lexus
Vehicle: 2004 Lexus SC430 4.3 V8 GAS

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BRAKE SERVICE PROCEDURES FOR Lexus SC430 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Lexus SC430 cars and light trucks from 1990+.

Disc Brakes -> Front Disc Brakes -> Tightening Specifications
Vehicle: 2002 Lexus SC430 4.3 V8 GAS

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FUEL FILTER REPLACEMENT PROCEDURES FOR Lexus SC430 AUTOMOBILES

Fuel filter replacement procedures with corresponding images for most domestic and imported Lexus SC430 cars and light trucks sold in the U.S. for 1980+.

Lexus -> Component Locations -> GS430, LS430, LX470, RX300, RX330, RX400h, SC430 & 1998-06 GS300
Vehicle: 2003 Lexus SC430 4.3 V8 GAS

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Lexus SC430 AUTOMOBILES

Includes CV axle, universal joint, and driveline replacement, for domestic and imported Lexus SC430 cars and light trucks from 1990+.

CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2003 Lexus SC430 4.3 V8 GAS

Front

  • Raise and support vehicle and support it with safety stands in proper locations.
  • Remove wheel nuts and front wheels.
  • Remove bolts and remove disc brake cylinder from steering knuckle.
  • Support brake caliper assembly with mechanics wire.
  • Remove front disc brake rotor.
  • Remove lefthand front hub bolt using suitable tool.
  • Reverse procedure to install noting the following:
    • Torque disc brake caliper bolts to 76 ft. lbs.
    • Torque wheel lug nuts to 76 ft. lbs.

Rear

  • Raise and support vehicle and support it with safety stands in proper locations.
  • Remove wheel nuts and rear w...

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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Lexus SC430 AUTOMOBILES

Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Lexus SC430 cars and light trucks sold in the U.S. from mid 1990's+.

Component Replacement -> Installation -> Removal -> Tire Pressure Sensor & Transmitter -> TPMS Antenna -> TPMS ECU
Vehicle: 2004 Lexus SC430 4.3 V8 GAS

Tire Pressure Sensor & Transmitter

If installing a replacement tire pressure sensor and transmitter, note the identification number for use during registration. Refer to the Registration under the "Relearn Procedures."

Removal
  • Loosen the wheel lug nuts.
  • Raise and support the vehicle with jack stands.
  • Remove the wheel and tire assembly.
  • Remove the tire valve stem cap, then the valve stem core and allow the tire to deflate, Fig. .
  • Remove the nut retaining the tire pressure sensor and transmitter to the wheel assembly, then drop the transmitter inside the tire.
  • Using a suitable tire ch...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Lexus SC430 AUTOMOBILES

Includes starter and alternator replacement procedures for domestic and imported Lexus SC430 cars and light trucks from 1990+.

Starter, Replace
Vehicle: 2002 Lexus SC430 4.3 V8 GAS

  • Disconnect battery ground cable.
  • Drain engine coolant into suitable container.
  • Remove V-bank cover, and intake air connector pipe.
  • Disconnect throttle body accelerator cable.
  • Remove mounting bolts and disconnect throttle body from intake manifolds.
  • Remove upper and lower i...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Lexus SC430 AUTOMOBILES

Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Lexus SC430 cars and light trucks sold in the U.S. as equipped to the current model year.

Cabin Air Filter Service -> Lexus -> 2003-09 SC430
Vehicle: 2007 Lexus SC430 4.3 V8 GAS

Under normal operating conditions the cabin air filter should be replaced every 12 months or 10,000 miles. In dusty areas change the cabin air filter more often.

  • Open the glove compartment.
  • On 2003-07 models, remove the two retainer pins located at the upper inside part of the glove compartment using a suitable pair of pliers, then lower then the glove compartment.
  • On all models, through the glove compartment opening, disengage t...

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MAINTENANCE LAMP RESET PROCEDURES FOR Lexus SC430 AUTOMOBILES

Maintenance lamp reset procedures with corresponding images for most domestic and imported Lexus SC430 cars and light trucks sold in the U.S. from 1990+.

Lexus -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2007-09 SC430 -> Registration -> Relearn -> Reset -> System Initialization -> Tire Pressure Sensor & Transmitter -> TPMS ECU
Vehicle: 2009 Lexus SC430 4.3 V8 GAS

Reset

The Low Tire Pressure indicator lamp will flash slowly and/or sound a chime when tire pressure is low. When the tire is inflated to the proper pressure the lamp and tone will turn Off. If the lamp remains On, a problem in the low tire warning system is present and the low tire warning system must be diagnosed and serviced to reset the warning lamp.

Relearn

Registration
TPMS ECU

If replacing the TPMS ECU, prior to removal, use a suitably programmed scan tool to read the registered transmitter identification number for all wheels and note them for registration.

  • Connect a suitably pr...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Lexus SC430 AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported Lexus SC430 cars and light trucks from 1990+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Lexus SC430 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 SC430 AUTOMOBILES

Serpentine belt replacement procedures with corresponding images for most domestic and imported Lexus SC430 cars and light trucks sold in the U.S. from 1990+.

Serpentine Drive Belt, Replace
Vehicle: 2003 Lexus SC430 4.3 V8 GAS

  • Remove bolts from air cleaner inlet.
  • Rotate or lift belt tensioner arm counterclockwise, using a suitable tool to relieve tension from dri...

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COMPONENT LOCATION DIAGRAMS FOR Lexus SC430 AUTOMOBILES

Component location diagrams for most Lexus SC430 cars and light trucks sold in the U.S. from 1990+.

Ground Electrical Wiring Routing Diagram for 2002 Lexus SC430  4.3 V8 GASGround Electrical Wiring Routing Diagram for 2002 Lexus SC430 4.3 V8 GAS

Components on diagram:
  • Radio
  • Remote Control Mirror Switch
  • Ignition Switch
  • Parking Brake Switch
  • Rheostat
  • Combination Meter Diagram for 2004 Lexus SC430  4.3 V8 GASCombination Meter Diagram for 2004 Lexus SC430 4.3 V8 GAS

    Components on diagram:
  • ECM
  • Neutral Position Switch
  • Park Position Switch
  • Brake Fluid Warning Switch
  • Washer Level Warning Switch
  • CLICK HERE TO GET FULL ACCESS TO Lexus SC430 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Lexus SC430 AUTOMOBILES

    OEM drawn wiring diagrams for most Lexus SC430 cars and light trucks sold in the U.S.

    2008 Lexus SC430  4.3 V8 GAS Wiring Diagram2008 Lexus SC430 4.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Combination Switch
  • Headlamp Relay
  • Tilt and Telescopic ECU
  • Front Controller
  • AFS ECU
  • 2006 Lexus SC430  4.3 V8 GAS Wiring Diagram2006 Lexus SC430 4.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Engine Coolant Temperature Sensor
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Engine Control Module
  • Brake Fluid Level Warning Switch
  • CLICK HERE TO GET FULL ACCESS TO Lexus SC430 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR Lexus SC430 AUTOMOBILES

    OEM TSB listings for most Lexus SC430 cars and light trucks sold in the U.S. from 1985+.

    Document: A650E TRANSMISSION SOLENOID IDENTIFICATION
    Vehicle: 2004 Lexus SC430 4.3 V8 GAS

    Auto Systems:
  • Automatic Trans, Coolers, Torque Converter
  • Document: DISMOUNTING TIRES WITH PRESSURE SENSORS
    Vehicle: 2002 Lexus SC430 4.3 V8 GAS

    Auto Systems:
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO Lexus SC430 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Lexus SC430 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Lexus SC430 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 SC430 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 SC430 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 SC430 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 Lexus SC430 SPECIFICATIONS DATA!

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