Tiguan Haldex All-Wheel Drive - Freel2.com

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All-Wheel Drive Clutch DetailsMechanical AssemblyThe following sub-groups belong to the mechanicalassembly:• Multiplate clutch• Working piston• Spring plateThe entire assembly creates the frictional connectionbetween front and rear axles. The multiplate packis compressed when pressure is applied to theworking piston. Depending on the contact pressure,a different torque (up to 1770 lbs-ft or 2400 Nm) canbe transferred.Multiplate ClutchThe multiplate clutch consists of the drive hub, themultiplate pack and the clutch cage.Multiplate PackThe multiplate pack consists of friction plates andsteel plates, with one thrust plate in the front andone in the rear.The friction plates have internal teeth that engage thedrive hub. The steel plates engage the clutch cagewith external teeth. The number of plates dependson the vehicle type.FrictionPlateSteel PlateDrive HubThe drive hub is driven by the propeller shaft via theflange.ThrustPlateS414_042Thrust PlateS414_041FromPropellerShaftMultiplate PackS414_052Drive HubS414_05110
All-Wheel Drive Clutch DetailsClutch CageThe clutch cage is connected with the pinion of therear axle by a spline, and transfers the drive torque tothe rear axle.Rear Axle PinionClutch CageS414_053SplinesS414_043Working PistonThe working piston is a cylindrical piston.FunctionWhen actuating the clutch, the pressure of theworking piston is transferred to the multiplate packvia a needle bearing. The working piston does notturn. The multiplate pack, on the other hand, rotatesat drive speed.NeedleBearingS414_054Working PistonS414_044Spring PlateThe spring plate is located on the oil pressure side ofthe working piston.Spring PlateOil Pressure SideFunctionIt creates a preload which pushes the working pistonin place. This removes the play from the multiplatepack and the needle bearings.S414_045S414_05511
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Page 6 and 7: OverviewOverviewHistoryIn 1998, 4MO
Page 8 and 9: DrivetrainDrivetrain4MOTION Drivetr
Page 10 and 11: DrivetrainPropeller ShaftThe propel
Page 12 and 13: DrivetrainFunction of the All-Wheel
Page 16 and 17: All-Wheel Drive Clutch DetailsElect
Page 22 and 23: ControlsPressure Buildup at Engine
Page 24 and 25: ControlsCritical Driving Situations
Page 26 and 27: ControlsFunctional Diagram30J540J10
Page 28 and 29: Notes24
Page 32: Volkswagen of America, Inc.3800 Ham

Tiguan Haldex All-Wheel Drive - Freel2.com

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