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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
A/C & HEATER SERVICE PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Lexus -> Component Replacement & Adjustment -> Water Pump, Replace -> ES 300, RX 300 & SC 300 -> GS 300 -> GS 400, LS 400 & SC 400
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
When servicing "LX 470" refer to" Land Cruiser" in for service procedures.
ES 300, RX 300 & SC 300
- Drain engine coolant.
- On RX 300 models, remove outer cowl top panel, then the front upper suspension brace.
- On all models, disconnect timing belt from water pump pulley. Refer to "MOTOR's Imported Car Repair Manual" for procedure.
- Remove camshaft timing pulleys using tool No. SST 09960-01000, or equivalent.
- Remove No. 2 idler pulley.
- Disconnect engine wire from No. 3 timing belt cover, then remove cover.
- Remove water pump, Fig. .
- R...
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BRAKE SERVICE PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Hydraulic Brake Systems -> Component Replacement -> Master Cylinder -> Traction Control (TRAC) Actuator
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
Master Cylinder
- On 2001-02 ES300 models, remove air cleaner cover with air cleaner hose.
- On all models, disconnect level warning switch connector.
- Remove brake fluid with suitable syringe.
- Remove brake lines with brake line wrench No. 09023-00100 and 09751-36011, or equivalents.
- Remove master cylinder mounting nuts, then the master cylinder and gasket.
- Reverse procedure to install, noting the following:
- Adjust length of booster pushrod before installation of master cylinder.
- After installation, fill brake fluid and bleed b...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1999 Lexus RX300 AUTOMOBILES
Lexus -> Component Locations -> GS430, LS430, LX470, RX300, RX330, RX400h, SC430 & 1998-06 GS300
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
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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
Starter, Replace
Vehicle: 1999 Lexus RX300 3.0 V6 GAS
- Disconnect battery ground cable.
- Remove battery and battery tray.
- Disconnect MAF sensor electrical connector, wire clamp and EVAP hose from air cleaner cap.
- Remove air cleaner cap and air filter.
- Remove air filt...
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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 -> Malfunction Indicator Lamp (MIL) ->
Vehicle: 1999 Lexus RX300 3.0 V6 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...
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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+.
Passenger Compartment Connector Locations, P6 Through W7 Diagram for 1999 Lexus RX300 3.0 V6 GAS Components on diagram: |
Seat Relay Locations Diagram for 1999 Lexus RX300 3.0 V6 GAS Components 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 Diagram Components on diagram: |
1999 Lexus RX300 3.0 V6 GAS Wiring Diagram Components 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+.
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1999 Lexus RX300 3.0 V6 GAS Auto Systems: |
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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