1.4 TSI engine (EA111) · Mixture preparation – injection · Intake manifold
Removing and installing regulating flap control unit - J808- and throttle valve module - J338-
Special tools and workshop equipment required

- Torque wrench - V.A.G 1410-

- Hose clamp pliers - VAS 6340-
Removing regulating flap control unit - J808-

- Lift engine cover panel at points -1- and pull it forwards in direction of -arrow-.
- Remove securing bolts -1-.

- Pull off all connectors and hose connections on intake connecting pipe -4- and regulating flap control unit - J808-.
- Detach spring-type clips and pull off hose -2- on activated charcoal filter system solenoid valve 1 - N80- and pressure pipe -3-.
- Unscrew securing bolt for pressure pipe -3- on turbocharger and pull pressure pipe -3- off.

- Unscrew intake connecting pipe securing bolts -arrows- and pull intake connecting pipe upwards with regulating flap control unit - J808-.

- Unscrew securing bolts -arrows-.
Removing throttle valve module - J338-
- Detach coolant hose -1- from hose clips.

- Pull connector -2- off intake air temperature sender 3 - G520- with intake manifold pressure sender 3 - G583-.
- Remove charge air hose -3- from throttle valve module - J338- and charge air pipe.

- Unscrew securing bolts -arrows- and pull throttle valve module - J338- from intake manifold connection.
Installing
Installation is carried out in the reverse order. When installing, note the following:
- Seals and O-rings must be renewed and coated lightly with clean engine oil before installing.
- Hose connections and hoses for charge air system must be free of oil and grease before assembly.
- Secure all hose connections with hose clips which conform to production standard.

- Push engine cover panel down at points -1- in direction of -arrow- until it engages.
Specified torques:
Assembly overview - intake manifold ⇒ 2.1 Assembly overview - intake manifold.
If a new regulating flap control unit or throttle valve module has been installed:
- Erase learnt values and adapt engine control unit - J623- to regulating flap control unit and throttle valve module ⇒ Vehicle diagnostic tester “Guided functions”.