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1999 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!Select Section
- 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 1999 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!
A/C & HEATER SERVICE PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Air Bag System Precautions -> Lexus -> Disarming
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
For Lexus LX 450 & LX 470 Information, Refer to "Land Cruiser" In "Toyota."
The Air Bag/Supplemental Restraint System (SRS) incorporates a back-up energy source that maintains sufficient deployment voltage for up to 90 seconds after the ignition is turned Off and the battery has been disconnected.
When the battery ground cable is disconnected, audio, clock and seat memory system will be canceled.
- Note radio station settings...
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BRAKE SERVICE PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Hydraulic Brake Systems -> Troubleshooting
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
Refer to Fig. f...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Lexus -> Fuel Filter Replacement -> GS430, LS430, SC430 & 1998-06 GS300 -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
Fuel System Pressure Relief
- Remove the rear seat cushion.
- Remove the carpeting to access floor service hole cover.
- Disconnect the fuel pump electrical connector.
- Start the engine and let it idle until it stalls, then turn ignition OFF.
- Disconnect the battery ground cable.
Removal & Installation
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtu...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
CV AXLE SHAFT, Replace -> Rear
Vehicle: 1999 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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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Starter, Replace
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
- Disconnect battery ground cable.
- Remove rubber cap and nut, then disconnect starter wire and connector.
- Remove engine wire cl...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 1998-2001 GS300, GS400 & GS430
Vehicle: 1999 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....
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MAINTENANCE LAMP RESET PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Lexus -> Overdrive (O/D) Indicator Lamp ->
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
The automatic transmission electrical system possesses internal self-diagnostic capabilities. If a fault occurs within the system, the Electronic Control Module (ECM) stores a diagnostic trouble code and the "... "
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Radiator, Replace
Vehicle: 1999 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 1999 Lexus GS300 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1999 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 1999 Lexus GS300 AUTOMOBILES
Component location diagrams for most 1999 Lexus GS300 cars and light trucks sold in the U.S. from 1990+.
 Body Relay Locations Diagram for 1999 Lexus GS300 3.0 L6 GASComponents on diagram: |
 I/P Connector Locations, I21 Through Y1 Diagram for 1999 Lexus GS300 3.0 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1999 Lexus GS300 AUTOMOBILES
OEM drawn wiring diagrams for most 1999 Lexus GS300 cars and light trucks sold in the U.S.
 1999 Lexus GS300 3.0 L6 GAS Wiring DiagramComponents on diagram: |
 1999 Lexus GS300 3.0 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1999 Lexus GS300 AUTOMOBILES
OEM TSB listings for most 1999 Lexus GS300 cars and light trucks sold in the U.S. from 1985+.
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Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1999 Lexus GS300 3.0 L6 GAS Auto Systems: |
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Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1999 Lexus GS300 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1999 Lexus GS300 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1999 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 1999 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 1999 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 1999 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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