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Removing and installing fuel rail > < Removing and installing intake manifold (top section)

A4 Mk3

Removing and installing intake manifold (bottom section)
Removing and installing intake manifold (bottom section)
After the intake manifold (bottom section) has been removed or renewed, the intake manifold flap potentiometer -G336- must be adapted to the engine control unit -J623-.
Removing
–  Remove intake manifold (top section) → Chapter.
   
–  Disconnect vacuum line -arrow- at intake manifold flap valve -N316-.
–  Detach intake manifold flap valve -N316- from bracket.
  A24-10555
–  Loosen oil filter -arrow- with oil filter tool -3417- and remove oil filter.
  A00-10226
–  Unscrew bolts on crankcase breather several turns -arrows-.
  A15-10610
–  Detach crankcase breather hose -1-.
–  Unscrew hose connection -3-.
–  Detach intake manifold (bottom section).
  A24-10852
–  Then unplug electrical connector -1- at intake manifold flap potentiometer -G336-.
Installing
  Note
Make sure that injectors are installed correctly.
–  Always renew both connecting pieces for fuel supply line.
–  Re-attach electrical connector at intake manifold flap potentiometer -G336-.
–  Install intake manifold → Chapter.
l  Tightening torque: intake manifold - exploded view → Chapter
l  Tightening torque: fuel rail - exploded view → Chapter
–  Install in reverse order.
  A24-10448

Removing and installing fuel rail > < Removing and installing intake manifold (top section)