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Removing and installing coolant pipe (top) > < Removing and installing non-return valve (cylinder bank 1)

A4 Mk3

Removing and installing non-return valve (cylinder bank 2)
Removing and installing non-return valve (cylinder bank 2)
  Note
The removal and installation procedures are described for the version with a connection for a coolant hose.
Special tools and workshop equipment required
   
t  Hose clip pliers -VAS 6362-
  W00-10427
Removing
–  Drain coolant → Chapter.
–  Remove engine mounting (left-side) → Chapter.
–  Unscrew bolts -arrows- and remove engine support (left-side).
  A10-10883
–  Remove bolts -arrows-.
–  Release hose clip -2- and detach coolant hose.
–  Detach non-return valve -1-.
Installing
Installation is carried out in the reverse order; note the following:
l  Tightening torques → Chapter „Coolant pipes - exploded view“
  Note
Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue.
–  Install engine support and engine mounting → Chapter.
–  Fill up with coolant → Anchor.
  A19-11393

Removing and installing coolant pipe (top) > < Removing and installing non-return valve (cylinder bank 1)