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2004 Lexus GS430 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Lexus GS430 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 GS430 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Charging Valve Locations -> Imported Cars & Light Trucks & Vans -> 2003-04
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Lexus -> Power Brake Units -> Precautions -> Audio Coded Anti-Theft System -> Except LX470 -> LX470
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
Audio Coded Anti-Theft System
Except LX470
- Obtain theft protection code number from customer.
- Enter code number prior to disconnecting battery ground cable.
- Perform service required.
- Turn radio to On position, "CODE" will be displayed, enter code to restore operation.
LX470
Some models are equipped with an audio coded anti-theft system that will disable the radio when the battery cable is disconnected. The system can be identified by the "ANTI-THEFT SYSTEM" on the cassette tape lid. Obtain 3 digit customer code for input. Reset system after service as follows:
- Obtain 3 digit audio anti-theft co...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Lexus -> Fuel Filter Scheduled Maintenance -> -> Normal Service -> Severe Service
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
Normal Service
Manufacturer does not specify service interval
...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2004 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 2004 Lexus GS430 AUTOMOBILES
Starter, Replace
Vehicle: 2004 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 2004 Lexus GS430 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 2002-05 GS300 & GS430
Vehicle: 2004 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 2004 Lexus GS430 AUTOMOBILES
Lexus -> Lexus Ride Control (LRC) Indicator Lamp ->
Vehicle: 2004 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 2004 Lexus GS430 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Lexus GS430 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 2004 Lexus GS430 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 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 2004 Lexus GS430 AUTOMOBILES
Component location diagrams for most 2004 Lexus GS430 cars and light trucks sold in the U.S. from 1990+.
 Power Seat Control System Components Diagram for 2004 Lexus GS430 4.3 V8 GASComponents on diagram: |
 Horn System Components Diagram for 2004 Lexus GS430 4.3 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Lexus GS430 AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Lexus GS430 cars and light trucks sold in the U.S.
 2004 Lexus GS430 4.3 V8 GAS Wiring DiagramComponents on diagram: |
 2004 Lexus GS430 4.3 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Lexus GS430 AUTOMOBILES
OEM TSB listings for most 2004 Lexus GS430 cars and light trucks sold in the U.S. from 1985+.
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Document: REPAIR MANUAL SUPPLEMENT: VEHICLE PULLING TO ONE SIDE - REVISED Vehicle: 2004 Lexus GS430 4.3 V8 GAS Symptoms: |
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Document: UPPER/LOWER WINDSHIELD TICK NOISE Vehicle: 2004 Lexus GS430 4.3 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Lexus GS430 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 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 2004 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 2004 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 2004 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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