Volkswagen Workshop Service and Repair Manuals

Removing and installing throttle valve module -J338- Special tools and workshop equipment required

t  Torque wrench (4 … 20 Nm) -V.A.G 1410-

t  Hose clip pliers -VAS 6340- Removing –  Unscrew bolts -1- and remove retaining clip.

–  Pull connector -2- off charge air pressure sender -G31- with intake air temperature sender 2 -G299-. –  Unlock catches in -direction of arrow- and pull pressure pipe -3- first off throttle valve module -J338- and then off turbocharger.

–  Pull connector -1- off throttle valve module -J338-. –  Unscrew securing bolts -2- and remove throttle valve module -3- from intake manifold. Installing –  Place new sealing ring into groove in intake manifold.

–  Position throttle valve module -3- together with adapter -2- and securing bolts -1- on intake manifold -4-.

–  Tighten securing bolts -2- to 7 Nm. –  Fit connector -1- onto throttle valve module -3-.   Note Before installing, lightly coat O-rings on turbocharger and in pressure pipe with engine oil. –  Fit pressure pipe -3- onto turbocharger.

–  Press pressure pipe -3- onto throttle valve module. Retaining clips must engage audibly. –  Tighten bolts -1- of retaining clips to 7 Nm. –  Push connector -2- onto charge air pressure sender -G31- with intake air temperature sender 2 -G299-. If a new throttle valve module was installed: –  Erase learnt values and adapt engine control unit -J623- to throttle valve module → Vehicle diagnostic tester„Guided functions“.