Audi Workshop Service and Repair Manuals

Removing and installing intake manifold

Removing –  Pull off engine cover panel -arrows-.

–  If fitted, disconnect vacuum hose from vacuum unit for intake manifold flap -arrow- and move vacuum hose aside.

–  Remove bolts -1- and -2-.   Note Leave coolant hoses -arrows- connected.

–  Remove air intake hose at intake manifold flap motor -V157- by lifting retaining clip -arrow- slightly.

–  Unplug electrical connectors at exhaust gas recirculation valve -N18- / exhaust gas recirculation potentiometer -G212--item 1- and at intake manifold flap motor -V157--item 2-.

–  Unscrew bolt -top arrow-.

–  Remove bolts -1 ... 5- and take out exhaust gas recirculation valve -N18- / exhaust gas recirculation potentiometer -G212- together with intake manifold flap motor -V157-.

–  Unbolt intake manifold -arrows-. Installing Installation is carried out in the reverse order; note the following:   Note Renew gaskets and seals.

–  When installing air intake hoses with plug-in connectors, ensure that the securing clip -arrow- engages audibly on the retaining lug -A-. Tightening torques

Component		Nm
Intake manifold to cylinder head		22
Exhaust gas recirculation valve -N18-/exhaust gas recirculation potentiometer -G212- to intake manifold		10
Connecting pipe to exhaust gas recirculation valve -N18-/exhaust gas recirculation potentiometer -G212-		22
Intake manifold flap motor -V157- to exhaust gas recirculation valve -N18-/exhaust gas recirculation potentiometer -G212-		10
Coolant pipe	Engine lifting eye	10
(top) to:	Oil filter bracket	10
Guide tube for oil dipstick to engine lifting eye		10