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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+

    Lexus -> Component Replacement & Adjustment -> RECEIVER/DRIER, REPLACE -> ES 300 & GS 300 -> LS 400 -> SC 300 & SC 400
    Vehicle: 1993 Lexus GS300 3.0 L6 GAS

    ES 300 & GS 300

    • Discharge and recover system refrigerant.
    • Disconnect and cap two receiver/drier liquid tubes.
    • Remove receiver from holder, then remove.
    • Reverse procedure to install.

    LS 400

    • Remove righthand headlamp assembly.
    • Discharge and recover system refrigerant.
    • Remove two liquid tube attaching bolts, then disconnect and cap tubes fr...

    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+.

    Disc Brakes -> Front Disc Brakes -> Caliper Service -> Assemble -> Disassemble -> Overhaul -> Replacement
    Vehicle: 1999 Lexus GS300 3.0 L6 GAS

    Replacement

    • Remove brake hose from caliper assembly, by removing union bolt and gaskets.
    • Remove caliper bolts from torque plate, then the caliper.
    • Remove brake pads and hardware as outlined in "Brake Pad Service."
    • Reverse procedure to install, noting the following:
      • Use new gaskets on union bolt and tighten union bolt to specifications.
      • Tighten caliper bolts to specifications.
      • Fill reservoir, then bleed brakes and check for leaks.

    Overhaul

    Disassemble
    • Remove calipers as outlined.
    • Remove cylinder boot set rings and cylinder boots.
    • Place a piece of cloth between piston and caliper, then, using c...

    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: 2003 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 -> Rear
    Vehicle: 1997 Lexus GS300 3.0 L6 GAS

    Rear

    • Raise and support vehicle and support it with safety stands in proper locations.
    • Remove wheel nuts and rear wheels.
    • Disconnect exhaust pipe. Support exhaust pipe assembly securely.
    • Remove split pin and driveshaft castle nut and washer from front hub.
    • Place reference mark on driveshaft and side gear shaft. Do not use a punch to mark matchmarks, use paint.
    • Remove six hexagon bolts and two washers while depressing brake ...

    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 Locations
    Vehicle: 2006 Lexus GS300 3.0 V6 GAS

    Refer to F...

    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: 2002 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 -> 1998-2001 GS300, GS400 & GS430
    Vehicle: 1998 Lexus GS300 3.0 L6 GAS

    The cabin air filter should be replaced every 30,000 miles or 24 months. If the vehicle is operated primarily in urban areas with high concentrations of soot and diesel powered vehicles, replace the filter every 15,000 miles. The filter should be replaced more often if air flow is less than normal.

    • Disconnect and isolate the battery ground cable. After disconnecting the battery ground cable wait at least 90 seconds to allow the air bag system backup power discharge.
    • Remove glove compartment to instrument panel attaching bolts....

    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 -> Automatic Transmission Oil Temperature Warning Lamp ->
    Vehicle: 1996 Lexus GS300 3.0 L6 GAS

    This lamp will be illuminated when automatic transmission or transfer case fluid temperature exceeds 302°F. If the lamp lights, allow vehicle to operate at idle speed until fluid temperature falls below 248°F; t...

    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+

    Radiator, Replace
    Vehicle: 1998 Lexus GS300 3.0 L6 GAS

    • Raise and support vehicle.
    • Drain coolant from engine and radiator into a suitable container.
    • Remove battery and tray, then disconnect cruise control actuator and mounting from body.
    • Disconnect upper radiator and coolant reservoir hoses from radiator.
    • Disconnect lower radiator hose at engine, then transaxle oil cooler extension lines.
    • Disconnect electric cooling fan co...

    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: 2001 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+.

    Multiplex Communication System Diagram for 2001 Lexus GS300  3.0 L6 GASMultiplex Communication System Diagram for 2001 Lexus GS300 3.0 L6 GAS

    Components on diagram:
  • Body No. 2 Electronic Control Unit
  • Combination Meter Electronic Control Unit
  • Driver Door Electronic Control Unit
  • Rear Left Door Electronic Control Unit
  • Sliding Roof Electronic Control Unit
  • Power Window Control System Components Diagram for 2002 Lexus GS300  3.0 L6 GASPower Window Control System Components Diagram for 2002 Lexus GS300 3.0 L6 GAS

    Components on diagram:
  • Ignition Switch
  • Power Window Motor
  • Power Window Switch
  • Power Window Master Switch
  • Driver Side Junction Block
  • 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.

    2003 Lexus GS300  3.0 L6 GAS Wiring Diagram2003 Lexus GS300 3.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Horn
  • Horn Switch
  • Washer Motor
  • 2004 Lexus GS300  3.0 L6 GAS Wiring Diagram2004 Lexus GS300 3.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Traction Control Relay
  • Antilock Brake System Motor Relay
  • Antilock Brake System Solenoid Relay
  • 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: WIPER MOTOR CIRCUIT BREAKER INSPECTION PROCEDURE
    Vehicle: 1994 Lexus GS300 3.0 L6 GAS

    Auto Systems:
  • Chassis Electrical, Wiring, Fuses & Breakers, Wipers, Motors
  • Document: BRAKE PAD CLICKING NOISE
    Vehicle: 1994 Lexus GS300 3.0 L6 GAS

    Symptoms:
  • Noise
  • 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!

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