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Lexus GS300 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Lexus GS300 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 GS300 automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    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 GS300 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 GS300 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 GS300 cars and light trucks from 1990+

    Orifice Tube/Expansion Valve Locations -> Imported Cars & Light Trucks & Vans -> 1991-95
    Vehicle: 1993 Lexus GS300 3.0 L6 GAS

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Lexus GS300 cars and light trucks from 1990+.

    Power Brake Units -> Diagnosis & Testing -> Air Tightness Inspection -> Brake Booster Operational Test -> Brake Pedal Reserve Distance Inspection -> Operating inspection
    Vehicle: 2001 Lexus GS300 3.0 L6 GAS

    Brake Pedal Reserve Distance Inspection

    • Release parking brake.
    • With engine running, depress brake pedal and measure pedal reserve distance, Fig. .
    • On GS300, GS400 & GS430 models, reserve height should be more than 3.66 inches at 44.1 ft. lbs. of pressure
    • On LS430 models, reserve height should be more than 2.36 inches at 110.2 ft. lbs. of pressure.
    • On LS400 models, reserve height should be more than 2.76 inches at 110.2 ft. lbs. of pressure.
    • On SC300 and SC400 models, reserve height should be more than 3.50 inches at 110.2 ft. lbs. of pressure.
    • On IS300 models, reserve height should...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Fuel filter replacement procedures with corresponding images for most domestic and imported Lexus GS300 cars and light trucks sold in the U.S. for 1980+.

    Lexus -> Fuel Filter Scheduled Maintenance -> -> Normal Service -> Severe Service
    Vehicle: 1998 Lexus GS300 3.0 L6 GAS

    Normal Service

    Manufacturer does not specify service interval

    ...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Includes CV axle, universal joint, and driveline replacement, for domestic and imported Lexus GS300 cars and light trucks from 1990+.

    CV AXLE SHAFT, Replace -> Front
    Vehicle: 2003 Lexus GS300 3.0 L6 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 ...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Lexus GS300 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 GS300 cars and light trucks sold in the U.S. from mid 1990's+.

    Component Replacement -> Installation -> Removal -> Tire Pressure Sensor & Transmitter -> TPMS ECU -> TPMS Receiver
    Vehicle: 2006 Lexus GS300 3.0 V6 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 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 change...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Includes starter and alternator replacement procedures for domestic and imported Lexus GS300 cars and light trucks from 1990+.

    Starter, Replace
    Vehicle: 2003 Lexus GS300 3.0 L6 GAS

    • Disconnect battery ground cable.
    • Remove rubber cap and nut, then disconnect starter wire and connector.
    • Remove engine wire clam...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Lexus GS300 cars and light trucks sold in the U.S. as equipped to the current model year.

    Cabin Air Filter Service -> Lexus -> 2006 GS300, 2006-07 GS430, 2007-09 GS350, GS450h & 2008-09 GS460
    Vehicle: 2006 Lexus GS300 3.0 V6 GAS

    Under normal operating conditions the cabin air filter should be cleaned every 18 months or 15,00 miles and replaced 36 months or 30,000 miles. In dusty areas change the cabin air filter more often.

    The cabin air filter cannot be removed with the A/C system in outside air mode.

    • Open the glove compartment.
    • Remove the partition plate by pulling outward, Fig. .
    • Remove the cover located at the rear of the glove compartment.
    • Through...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Maintenance lamp reset procedures with corresponding images for most domestic and imported Lexus GS300 cars and light trucks sold in the U.S. from 1990+.

    Lexus -> Malfunction Indicator Lamp (MIL) ->
    Vehicle: 1994 Lexus GS300 3.0 L6 GAS

    On some models equipped with OBD II, the MIL will also illuminate if the fuel tank filler cap is not properly tightened. Tighten fuel tank filler cap until it clicks.

    On some models equipped with OBD II, if a misfire condition which may cause damage to the catalytic converter is present, the Check engine lamp will flash once per second until vehicle operation is outside the speed and load range causing the misfire. The lamp will stop flashing and remain steady

    On all models, the MIL should light when the ignition switch is placed in the On position without starting the engine. When the engine is...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Includes radiator, cooling and heater hose replacement procedures for domestic and imported Lexus GS300 cars and light trucks from 1990+

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1994 Lexus GS300 3.0 L6 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 thermostat housing.
    • Remove hose from thermostat housing.
    • Remove hose from vehicle.
    • Reverse procedure...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR Lexus GS300 AUTOMOBILES

    Serpentine belt replacement procedures with corresponding images for most domestic and imported Lexus GS300 cars and light trucks sold in the U.S. from 1990+.

    Serpentine Drive Belt, Replace
    Vehicle: 2004 Lexus GS300 3.0 L6 GAS

    • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...

    CLICK HERE TO GET FULL ACCESS TO Lexus GS300 SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR Lexus GS300 AUTOMOBILES

    Component location diagrams for most Lexus GS300 cars and light trucks sold in the U.S. from 1990+.

    Audio System Diagram for 2006 Lexus GS300  3.0 V6 GASAudio System Diagram for 2006 Lexus GS300 3.0 V6 GAS

    Components on diagram:
  • Antenna
  • MAP Light
  • Stereo Amplifier
  • Instrument Panel Diagram for 2006 Lexus GS300  3.0 V6 GASInstrument Panel Diagram for 2006 Lexus GS300 3.0 V6 GAS

    Components on diagram:
  • Junction Block
  • Power Source ECU
  • CLICK HERE TO GET FULL ACCESS TO Lexus GS300 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Lexus GS300 AUTOMOBILES

    OEM drawn wiring diagrams for most Lexus GS300 cars and light trucks sold in the U.S.

    2005 Lexus GS300  3.0 L6 GAS Wiring Diagram2005 Lexus GS300 3.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Anti Lock Brake System Motor Relay
  • Anti Lock Brake System Solenoid Relay
  • 2005 Lexus GS300  3.0 L6 GAS Wiring Diagram2005 Lexus GS300 3.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Water Temperature Switch
  • Battery
  • Ignition Switch
  • A/C Condenser Fan Motor
  • Radiator Fan Motor
  • CLICK HERE TO GET FULL ACCESS TO Lexus GS300 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR Lexus GS300 AUTOMOBILES

    OEM TSB listings for most Lexus GS300 cars and light trucks sold in the U.S. from 1985+.

    Document: CHILD RESTRAINT SEAT TOP STRAP BRACKET INSTALLATION
    Vehicle: 1993 Lexus GS300 3.0 L6 GAS

    Auto Systems:
  • Seats, Belts, Interior Trim, Carpets, Air Bags
  • Document: BRAKE FLUID BLEEDING - S/M REV
    Vehicle: 1998 Lexus GS300 3.0 L6 GAS

    Auto Systems:
  • Brakes, Power Brakes, Traction Control
  • CLICK HERE TO GET FULL ACCESS TO Lexus GS300 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Lexus GS300 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Lexus GS300 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 GS300 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 GS300 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 GS300 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 GS300 SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details2005 Lexus GS300 Tail Light, Driver Side.

    Source: Auto Body Parts Store

    $57.67

    Click here to view more details about 1997 Lexus GS300 Throttle Position Sensor1997 Lexus GS300 Throttle Position Sensor, Blade type; 4-prong male terminal; A high quality, OE replacement throttle position sensor; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $75.21

    Click here to view more details about 2003 Lexus GS300 16" x 7.5" Alloy Wheel2003 Lexus GS300 16" x 7.5" Alloy Wheel, Alloy Wheel; 16 X 7.5; 50MM Offset; 6 Spokes; 5 Lug; 4.5 Inch BP; Hypersilver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $150.50

    Click here to view more details2005 Lexus GS300 L6, 3.0 L, 181 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details2000 Lexus GS300 Used Engine Computer, 00 ELEC CONT UNIT (ECU); (BEHIND L. HDLP) NR 89666-30030 2JZ-GE, Very Good.

    Source: Used Auto Parts Store

    $211.00

    Click here to view more details1993 Lexus GS300 Used Wiper Motor Front, Very Good.

    Source: Used Auto Parts Store

    $70.00
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