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1999 Lexus RX300 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 RX300 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 RX300 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Lexus -> Component Replacement & Adjustment -> Evaporator Core, Replace -> ES 300 -> GS 300 & GS 400 -> LS 400 -> RX 300 -> SC 300 & SC 400
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
When servicing "LX 470" refer to" Land Cruiser" in for service procedures.
ES 300
- Recover refrigerant as outlined under .
- Remove blower unit, refer to "Blower Motor, Replace."
- Disconnect A/C liquid and suction hoses from A/C unit. Cap hoses to prevent contamination.
- Disconnect electrical connectors, then remove screws and pull out evaporator temperature sensor.
- Remove screws, then cover and pull out evaporator.
- Reverse procedure to install.
GS 300 & GS 400
- Recover refrigerant as outlined in the .
- Remove A/C unit...
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BRAKE SERVICE PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Power Brake Units -> Adjustments -> Brake Pedal Freeplay -> Brake Pedal Height
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
Brake Pedal Height
- Measure brake pedal height, Fig. .
- On RX300 models, pedal height should be 7.598-7.992 inches.
- On ES300 models, pedal height should be 5.748-6.142 inches for 1997-2001 models and 5.673-6.067 for 2002 models.
- On SC300 and SC400 models, pedal height should be 5.921-6.315 inches.
- On LS400 models, pedal height should be 5.268-5.661 inches.
- On LS430 models, pedal height should be 6.654-7.047 inches.
- On IS300 & SC 430 models, pedal height should be 6.063-6.457 inches.
- On GS300, GS400 & GS430 models, pedal height should be 5.906-6.299 inches.
- On all models, if pedal height measur...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Lexus -> Fuel Filter Replacement -> RX330, 1998-00 GS400 & 1999-03 RX300 -> Fuel Pressure Release -> Removal & Installation
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
Fuel Pressure Release
- On GS300 and 400 models, remove the rear seat cushion.
- On RX300 models, remove the lefthand rear seat and side garnish.
- On all models, remove the carpeting to access the floor service hole cover.
- Disconnect the fuel pump electrical connector.
- Start the engine and allow to idle until it stalls.
- Place the ignition switch in the Lock position.
- Disconnect the battery ground cable.
Removal & Installation
Do not smoke or allow an open flame of any type when working on or near any ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Remove drain plug from transaxle and drain transaxle fluid.
- Remove front fender apron seal bolts.
- Remove bolt securing speed sensor.
- Remove split pin and driveshaft castle nut and washer from front hub.
- Apply brake and remove lefthand axle hub nut.
- Remove lefthand front stabilizer nut and separate link assembly. If ball joint turns together with nut use suitable tool to hold stud.
- Disconnect lefthand speed sensor harness clip and separate sensor wire and hose ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Alternator, Replace
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
- Disconnect battery ground cable.
- Loosen pivot bolt, adjusting lock bolt, and adjusting bolt, and remove drive belt.
- Disconnect alternator connector.
- Remove nut, and disconnect alternator wire.
- Disconnect wire harness from clip.
- Remove pivot bolt, plate wa...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 1996-2000 LS400 & 1999-2003 RX300
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
The cabin air filter should be replaced every 15,000 miles or 12 months. The filter should be replaced more often if air flow is less than normal.
- Open the glove compartment.
- Remove the cover from the rear of the glove compartment.
- Through the glove compartment cover opening, disengage the filter cover retainers, then remove the cover and th...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Lexus -> Automatic Transmission Oil Temperature Warning Lamp ->
Vehicle: 1999 Lexus RX300 3.0 V6 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...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at thermostat housing.
- Remove hose from thermostat housing.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1999 Lexus RX300 3.0 V6 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 RX300 AUTOMOBILES
Component location diagrams for most 1999 Lexus RX300 cars and light trucks sold in the U.S. from 1990+.
 I/P Connector Locations, A15 Through D5 Diagram for 1999 Lexus RX300 3.0 V6 GASComponents on diagram: |
 Engine Compartment Connector Locations, I1 Through W5 Diagram for 1999 Lexus RX300 3.0 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1999 Lexus RX300 AUTOMOBILES
OEM drawn wiring diagrams for most 1999 Lexus RX300 cars and light trucks sold in the U.S.
 1999 Lexus RX300 3.0 V6 GAS Wiring DiagramComponents on diagram: |
 1999 Lexus RX300 3.0 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1999 Lexus RX300 AUTOMOBILES
OEM TSB listings for most 1999 Lexus RX300 cars and light trucks sold in the U.S. from 1985+.
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Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1999 Lexus RX300 3.0 V6 GAS Auto Systems: |
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Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1999 Lexus RX300 3.0 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1999 Lexus RX300 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1999 Lexus RX300 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 RX300 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 RX300 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 RX300 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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