Audi Workshop Service and Repair Manuals > A4 Cabriolet Mk2 > Power unit | Direct petrol injection and ignition system (4-cyl. 2.0 ltr. 4-valve turbo) | Mixture preparation system, electronic inj.,Gas | Safety precautions and rules for cleanliness | Removing and installing intake manifold flap motor V157 with intake manifold flap potentiometer G336

Removing and installing intake manifold flap motorV157 with intake manifold flap potentiometerG336

Removing and installing intake manifold flap motor -V157- with intake manifold flap potentiometer -G336-

For fitting location of intake manifold flap motor -V157-, refer to exploded view of intake manifold → Chapter.

Special tools and workshop equipment required

t	Standard ¹/₄ inch ratchet

t	Torx insert 30

Removing

–	Remove engine cover panel → Chapter.

–	Unbolt coolant expansion tank -arrow-.

–	Open top hose clip on charge air hose -2- and disconnect charge air hose from throttle valve module -J338-.

–	Remove bolt -1- from coolant pipe.

–	Open cable ties securing wiring harness at coolant pipe.

–	Unbolt bracket -arrows- from coolant pipe.

–	Carefully pry off linkage from intake manifold flap motor -V157--4-.

–	Unplug all electrical connectors as required and push coolant pipe to one side so that you can access bolts on intake manifold flap motor -V157-.

–	Unbolt intake manifold flap motor -V157--5-.

Note

The illustration shows the intake manifold flap motor -V157- with the intake manifold removed.

Installing

–	Install in reverse order.

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