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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
- 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
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
Imported Cars & Light Trucks & Vans -> 2003-04 -> System Inspection -> Compressor -> Condenser -> Evaporator -> Receiver-Drier/Accumulator -> Refrigerant Line Restrictions -> Thermostatic Expansion Valve
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:
- Refrigerant systems must have an adequate, but not excessive charge.
- Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
- The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the ...
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BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Lexus -> Power Brake Units -> Adjustments -> Brake Pedal Freeplay -> Brake Pedal Height -> Except LX470 -> LX470
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
Brake Pedal Height
Except LX470
- Measure brake pedal height, Fig. .
- On RX300 models, pedal height should be 7.598-7.992 inches.
- On RX330 models, pedal height should be 5.906-6.299 inches.
- On ES300 and ES330 models, pedal height should be 5.673-6.067 inches.
- On LS430 models, pedal height should be 6.654-7.047 inches.
- On IS300 models, pedal height should be 6.063-6.457 inches.
- On all models, if pedal height measurements are not as specified, adjust as follows:
- Remove undercover and lower dash finish panel.
- Disconnect stop lamp switch.
- Loosen stop light switch locknut, then back out switch.
- Loosen ...
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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 -> Anti-Lock Brake System (ABS)/VSA System Warning Lamp -> 1990-2006
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
The anti-lock warning lamp is used to warn of an anti-lock brake system fault. The lamp will be lit during engine start-up, but should go out when the self-diagnostic system determines that the anti-lock system is functioning properly. If the lamp remains lit, an anti-lock fault is indicated. After diagnosis and repair are complete, the lamp may be reset as follows:
- Place ignition switch in On position.
- On models except GX470, 2002-03 ES300, IS300, LS430, LX470, SC430 and 2004-06 ES330 and RX330 models, connect jumper tool No. 09843-18020, or equivalent, betwe...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Radiator, Replace
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
- Remove engine under cover, Fig. .
- Drain engine coolant into suitable container.
- Remove inlet and air cleaner.
- Disconnect upper and lower radiator hoses from radiator.
- Disconnect outlet duct from Engine Control Module (ECM) box.
- Disconnect cooling fan wire from clamp, then the two cooling fan electrical connectors.
- Disconnect cooling...
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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+.
Ignition Switch and Key Unlock Warning Switch Diagram for 2004 Lexus GS430 4.3 V8 GASComponents on diagram: |
Steering Column 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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Ignition Switch and Key Unlock Warning Switch Diagram for 2004 Lexus GS430 4.3 V8 GAS
Steering Column Components Diagram for 2004 Lexus GS430 4.3 V8 GAS
2004 Lexus GS430 4.3 V8 GAS Wiring Diagram
2004 Lexus GS430 4.3 V8 GAS Wiring Diagram
