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Checking thermostat > < Removing and installing coolant pump

A4 Mk2

Removing and installing thermostat with housing
Removing and installing thermostat with housing
   
Removing
–  Drain off coolant → Chapter.
–  Disconnect coolant hose -2- (bottom) from thermostat housing and drain off remaining coolant.
–  Remove bolts -arrows-.
–  Remove housing with thermostat and detach coolant hose -1- (top) from thermostat housing.
Installing
Installation is carried out in the reverse order; note the following:
  Note
t  Renew seals and O-rings.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue.
–  Fill cooling system → Anchor.
Tightening torques
  A19-10229
ComponentNm
Thermostat housing to coolant pump housing9

   

Checking thermostat > < Removing and installing coolant pump