(c)Surely install the fuel hose clamp to the fuel filter with”click” sound.(d)After installing the clamp, check that the clamp is fixed bypulling up the clamp.3.INSTALL AIR ASSIST HOSES AND PIPE(a)Connect the air assist hoses to the intake manifold.(b)Install the air assist pipe to the bracket on the No.1 fuelpipe.4.CONNECT INJECTOR CONNECTORS5.INSTALL AIR INTAKE CHAMBER ASSEMBLY(See page EM–52)6.INSTALL AIR CLEANER HOSE7.CHECK FOR FUEL LEAKS
SF05U–01SF–24–SFIFUEL TANK AND LINE875AuthorĂ:DateĂ:1997 LEXUS ES300 (RM511U)FUEL TANK AND LINEPRECAUTION1.Always use new gaskets when replacing the fuel tank or component parts.2.Apply the proper torque to all parts tightened.
SF05V–04S04763The Location of Fuel Tank CushionNo.1 Fuel TankProtectorFuel Tank VentTube Set PlateFuel PumpFuel Outlet TubeFuel TankFuel Inlet HoseFuel Inlet Pipe ShieldFuel Tank CapGasketBracketFuel Inlet PipeBracketFuel Inlet Pipe ProtectorGasket39 (400, 29)56 (570, 41)44 (450, 33)56 (570, 41)Heat InsulatorCenter Exhaust PipeHeated Oxygen Sensor(Bank 1 Sensor 2)Fuel Tank BandGasketN·m (kgf·cm, ft·lbf): Specified torqueNon–reusable partHeated Oxygen Sensor (Bank 1 Sensor 2)HINT:zBefore installing the heated oxygensensor, twist the sensor wirecounterclockwise 3 and 1/2 turns.zAfter installing the heated oxygensensor, check that the sensor wire isnot twisted, If it is twisted, removethe heated oxygen sensor andreinstall it.Gasketx84 (40, 35 in.·lbf)–SFIFUEL TANK AND LINESF–25876AuthorĂ:DateĂ:1997 LEXUS ES300 (RM511U)COMPONENTS
SF05W–01BO0919CrackLeakageDeformationZ10162SSTUse SST28 N·m(285 kgf·cm, 21 ft·lbf)FulcrumLength30 cm(11.81 in)SST: 09631–22020FU0041Pipe2 – 7 mm (0.08 – 0.28 in.)HoseClip0 – 3 mm (0 – 0.12 in.)SF–26–SFIFUEL TANK AND LINE877AuthorĂ:DateĂ:1997 LEXUS ES300 (RM511U)INSPECTIONINSPECT FUEL TANK AND LINE(a)Check the fuel lines for cracks or leakage, and all connec-tions for deformation.(b)Check the fuel tank vapor vent system hoses and connec-tions for looseness, sharp bends or damage.(c)Check the fuel tank for deformation, cracks, fuel leakageor tank band looseness.(d)Check the filler neck for damage or fuel leakage.(e)Hose and pipe connections are as shown in the illustra-tion.If a problem is found, repair or replace the parts as necessary.
S04539MAF MeterMAF Meter ConnectorzGasketzNon–reusable partSF05X–01–SFIMASS AIR FLOW (MAF) METERSF–27878AuthorĂ:DateĂ:1997 LEXUS ES300 (RM511U)MASS AIR FLOW (MAF) METERCOMPONENTS
SF05Y–06S04755SF–28–SFIMASS AIR FLOW (MAF) METER879AuthorĂ:DateĂ:1997 LEXUS ES300 (RM511U)REMOVALREMOVE MAF METER(a)Disconnect the MAF meter connector.(b)Remove the 2 bolts, MAF meter and gasket.HINT:At the time of installation, please refer to the following item.Use a new gasket.
SF05Z–04S04526E2THAOhmmeterS04756AirVGE2GVoltmeter–SFIMASS AIR FLOW (MAF) METERSF–29880AuthorĂ:DateĂ:1997 LEXUS ES300 (RM511U)INSPECTION1.INSPECT MAF METER RESISTANCEUsing an ohmmeter, measure the resistance between terminalsTHA and E2.
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Lexus, Fuel injection, SFI, LEXUS ES300, Throttle position sensor