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Removing and installing 4/2-way valve with thermostat > < Coolant pump and 4/2-way valve with thermostat - exploded view

A4 Mk3

Removing and installing coolant pump
Removing and installing coolant pump
   
Removing
–  Drain coolant → Chapter.
–  Remove toothed belt → Chapter.
–  Unscrew bolts -1- and remove coolant pump -2-.
–  Detach O-ring -3-.
Installing
Installation is carried out in the reverse order; note the following:
l  Tightening torque → Chapter „Coolant pump and 4/2-way valve with thermostat - exploded view“
  Note
Fit new O-ring.
–  Clean and smoothen sealing surface for O-ring.
–  Lightly lubricate O-ring -3- with coolant.
–  Fit coolant pump -2-.
l  Installation position: Sealing plug in housing faces downwards.
–  Install toothed belt (adjust valve timing) → Anchor.
–  Fill up with coolant → Anchor.
  A19-0084

Removing and installing 4/2-way valve with thermostat > < Coolant pump and 4/2-way valve with thermostat - exploded view