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Lexus GS300 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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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+
Drive Belt Data -> Imported Cars & Light Trucks & Vans -> 1998-2000
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
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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 -> Rear Disc Brakes & Parking Brakes -> Troubleshooting
Vehicle: 1994 Lexus GS300 3.0 L6 GAS
Refer to "Front Disc Br... "
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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: 1999 Lexus GS300 3.0 L6 GAS
Normal Service
Manufacturer does not specify service interval
...
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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: 1998 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 ...
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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+.
Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Trouble Code Identification -> Reset Switch Test -> Using Scan Tool -> Using TPMS Warning Lamp
Vehicle: 2006 Lexus GS300 3.0 V6 GAS
Accessing Diagnostic Trouble Codes
Using TPMS Warning Lamp
- Place the ignition switch in the Off position.
- Using Toyota SST or other suitable jumper, connect terminals TC and CG of DLC3. The DLC3 is located under the left side of the instrument panel, Fig. .
- Place the ignition switch in the On position.
- Read and note DTCs indicated by flashes of the TPMS warning lamp, Fig. .
- If the TPMS warning lamp blinks in .25 second intervals, a normal condition is indicated, Fig. .
- If the TPMS warning lamp blinks in .5 second intervals followed by a 1.5 second pause, then additional .5 second i...
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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: 2005 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...
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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 -> 2002-05 GS300 & GS430
Vehicle: 2005 Lexus GS300 3.0 L6 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 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 -> Lexus Ride Control (LRC) Indicator Lamp ->
Vehicle: 2002 Lexus GS300 3.0 L6 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 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: 1997 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...
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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: 1994 Lexus GS300 3.0 L6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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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+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR Lexus GS300 AUTOMOBILES
OEM drawn wiring diagrams for most Lexus GS300 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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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: SEAT BELT EXTENDERS Vehicle: 1999 Lexus GS300 3.0 L6 GAS Auto Systems: |
Document: CUSTOMIZE FUNCTION - DIAGNOSTIC PROGRAM CARD VERSION 8.0 Vehicle: 2001 Lexus GS300 3.0 L6 GAS Auto Systems: |
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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
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