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2002 Lexus GS430 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2002 Lexus GS430 AUTOMOBILES
Orifice Tube/Expansion Valve Locations -> Imported Cars & Light Trucks & Vans -> 2001-02
Vehicle: 2002 Lexus GS430 4.3 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 2002 Lexus GS430 AUTOMOBILES
Anti-lock Brakes -> Diagnosis & Testing -> 1999-2000 ABS -> 1999-2000 TRAC -> 2001-02 ABS, BA, TRAC & VSC -> ABS -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Component Testing -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> GS300, GS400 & GS430 -> IS300 -> LS400 -> LS430 -> RX300 -> SC300 & SC400 -> SC430 -> Terminal Identification -> TRAC -> Vehicle Skid Control (VSC) & Brake Assist (BA) System -> Vehicle Skid Control (VSC) & Brake Assist System -> Wiring Diagrams
Vehicle: 2002 Lexus GS430 4.3 V8 GAS
Accessing Diagnostic Trouble Codes
- Turn ignition switch to On position.
- Disconnect short pin from DLC1, Fig. , then connect diagnosis check wire tool No. 09843-18020, or equivalent, to terminals Tc and E1 of Del or DLC2.
- Read diagnostic trouble code from ABS warning light on combination meter. If no diagnostic trouble code appears, inspect diagnostic circuit or ABS warning circuit.
- After completing check, disconnect terminals Te and E1 and turn off display. If more than one diagnostic trouble code is stored, lowest number will appear first.
Diagnostic Trouble Code Interpretation
R...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Lexus GS430 AUTOMOBILES
Lexus -> Fuel Filter Replacement -> GS430, LS430, SC430 & 1998-06 GS300 -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2002 Lexus GS430 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 2002 Lexus GS430 AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2002 Lexus GS430 4.3 V8 GAS
Front
- 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 ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Lexus GS430 AUTOMOBILES
Starter, Replace
Vehicle: 2002 Lexus GS430 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 2002 Lexus GS430 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 2002-05 GS300 & GS430
Vehicle: 2002 Lexus GS430 4.3 V8 GAS
Under normal operating conditions the cabin air filter should be replaced 7,500 miles. In dusty areas change the cabin air filter more often.
- Open the glove compartment.
- Remove the cover located at the rear of the glove compartment by lifting upward and pulling outward, Fig. .
- Through the glove compartment rear co...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Lexus GS430 AUTOMOBILES
Lexus -> Lexus Ride Control (LRC) Indicator Lamp ->
Vehicle: 2002 Lexus GS430 4.3 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 2002 Lexus GS430 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2002 Lexus GS430 4.3 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 water inlet.
- Remove hose from water inlet.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Lexus GS430 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 Lexus GS430 4.3 V8 GAS
- Remove air intake duct seal.
- Remove air cleaner inlet.
- Rotate or lift belt tensioner arm counterclockwise, using a suitable tool to relieve tension ...
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COMPONENT LOCATION DIAGRAMS FOR 2002 Lexus GS430 AUTOMOBILES
Component location diagrams for most 2002 Lexus GS430 cars and light trucks sold in the U.S. from 1990+.
Power Seat Control System Components Diagram for 2002 Lexus GS430 4.3 V8 GAS Components on diagram: |
Ground Electrical Wiring Routing Diagram for 2002 Lexus GS430 4.3 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2002 Lexus GS430 AUTOMOBILES
OEM drawn wiring diagrams for most 2002 Lexus GS430 cars and light trucks sold in the U.S.
2002 Lexus GS430 4.3 V8 GAS Wiring Diagram Components on diagram: |
2002 Lexus GS430 4.3 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2002 Lexus GS430 AUTOMOBILES
OEM TSB listings for most 2002 Lexus GS430 cars and light trucks sold in the U.S. from 1985+.
Document: REPAIR MANUAL SUPPLEMENT: VEHICLE PULLING TO ONE SIDE - REVISED Vehicle: 2002 Lexus GS430 4.3 V8 GAS Symptoms: |
Document: ENGINE SERIAL NUMBER LOCATION Vehicle: 2002 Lexus GS430 4.3 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 Lexus GS430 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 Lexus GS430 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 2002 Lexus GS430 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 2002 Lexus GS430 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 2002 Lexus GS430 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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