Leon Mk1
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| 1 - | Lambda probe -G39- and Lambda probe heater -Z19- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 2 - | Lambda probe, after catalytic converter -G130- and Lambda probe heater 1, after catalytic converter -Z29- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 3 - | Fuel pressure regulating valve -N276- |
| q | Fitting location → Fig. |
| 4 - | High-pressure pump |
| q | Removing and installing → Fig. |
| 5 - | Vacuum unit for intake manifold flaps (air flow control flaps) |
| q | Fitting location → Fig. |
| 6 - | Intake manifold flap valve -N316- |
| q | Fitting location → Fig. |
| 7 - | Engine speed sender -G28- |
| q | Fitting location → Fig. |
| q | 4.5 Nm |
| 8 - | Activated charcoal filter solenoid valve 1 -N80- |
| 9 - | 6-pin connectors |
| q | For the Lambda probe -G39- with Lambda probe heating -Z19- (black) |
| q | Lambda probe after catalytic converter -G130- and Lambda probe 1 heater, after catalytic converter -Z29- (brown connector) |
| q | Fitting location → Fig. |
| 10 - | Connectors |
| q | For knock sensor 1 -G61-, intake manifold flap valve -N316-, fuel pressure sender -G247-, intake manifold flap potentiometer -G336-, coolant temperature sender -G62-, Hall sender -G40- and injectors N30...N33 |
| q | Fitting location → Fig. |
| 11 - | Engine control unit -J623- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 12 - | Charge air pressure sender -G31- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 13 - | Throttle valve module -J338-, throttle valve drive for electric throttle operation -G186- |
| q | Throttle valve drive angle sender 1 for electric throttle -G187- and throttle valve drive angle sender 2 for electric throttle -G188- |
| q | Throttle valve module -J338- must be re-adapted to engine control unit -J623- each time it is removed, installed or renewed |
| q | Fitting location → Fig. |
| 14 - | Intake air temperature sender -G42- |
| q | Fitting location → Fig. |
| 15 - | Knock sensor I -G61- |
| q | To remove, first remove coolant pump with thermostat |
| q | Tightening torque: 20 Nm |
| q | Removing and installing → Chapter |
| 16 - | Coolant temperature sender -G62- |
| q | Fitting location → Fig. |
| 17 - | Fuel pressure sender -G247- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 18 - | Valve for oil pressure control -N428- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 19 - | Oil pressure switch for reduced oil pressure -F378- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 20 - | Oil pressure switch -F22- |
| q | Fitting location → Fig. |
| q | Verification, removing and fitting → Chapter |
| 21 - | Intake manifold flap potentiometer -G336- |
| q | Fitting location → Fig. |
| 22 - | Hall sender -G40- (camshaft position sensor) |
| q | Fitting location → Fig. |
| 23 - | Camshaft control valve 1 -N205- |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| 24 - | Ignition coils with output stages |
| q | Fitting location → Fig. |
| q | Puller -T40039- is required for removing ignition coils from cylinder head. |
| q | Removing and installing → Chapter |
| 25 - | Turbocharger air recirculation valve -N249- |
| q | Located directly on turbocharger → Fig. |
| 26 - | Actuators for camshaft adjustment |
| q | Actuator 1 for camshaft adjustment -F366- |
| q | Actuator 2 for camshaft adjustment -F367- |
| q | Actuator 3 for camshaft adjustment -F368- |
| q | Actuator 4 for camshaft adjustment -F369- |
| q | Actuator 5 for camshaft adjustment -F370- |
| q | Actuator 6 for camshaft adjustment -F371- |
| q | Actuator 7 for camshaft adjustment -F372- |
| q | Actuator 8 for camshaft adjustment -F373- |
| q | Fitting location → Fig. |
| 27 - | Charge pressure control solenoid valve -N75- |
| q | Located directly on turbocharger → Fig. |
| 28 - | Air mass meter -G70- |
| q | Removing and installing → Chapter |
| A - | Diagnostic connector |
| q | In the moulding for the rollers, on the driver's side. |
| B - | Fuel pump control unit -J538- |
| q | Fitting location → Fig. |
| C - | Brake light switch - F- and brake pedal switch -F47- |
| q | Fitting location → Fig. |
| q | In footwell on brake pedal |
| q | Removing and installing → Rep. gr.45 |
| D - | Clutch position sender -G476- |
| q | Only fitted on vehicles with manual gearbox |
| q | Fitting location → Fig. |
| E - | Accelerator position sender -G79- and accelerator position sender 2 -G185- |
| q | Fitting location → Fig. |
| q | On accelerator pedal (both senders are accommodated in one housing) |
| q | Removing and installing → Chapter |
| F - | Fan control unit -J293- |
| q | Incorporated in radiator fan |
| G - | Injectors |
| q | Cylinder 1 injector -N30- |
| q | Cylinder 2 injector -N31- |
| q | Cylinder 3 injector -N32- |
| q | Cylinder 4 injector -N33- |
| q | Removing and installing → Chapter |
| The fuel injectors are high-pressure injectors. They inject fuel at high pressure (maximum approx. 120 bar) directly into the cylinder. |
| H - | Continued coolant circulation pump -V51- |
| q | Not installed in all vehicles (only in vehicles for very hot countries) |
| q | Fitting location → Fig. |
| q | Removing and installing → Chapter |
| I - | Electrohydraulic engine mounting solenoid valve (left-side) -N144- |
| q | Not installed in all vehicles (depends on gearbox type) |
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