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Coolant pump and thermostat - exploded view > < Removing and installing coolant pipe (front)

A4 Mk3

Removing and installing small coolant pipe
Removing and installing small coolant pipe
Special tools and workshop equipment required
   
t  Hose clip pliers -VAS 6340-
Removing
–  Drain coolant → Chapter.
  W00-10380
–  Open hose clips -arrows- and detach air hose.
  A21-10302
–  Remove bolts -arrows- and detach electrical connectors -1 ... 3- from retainer.
  A19-10451
–  Release hose clip -1-, lift retaining clip -2- and detach coolant hoses.
–  Unscrew bolts -arrows- and detach small coolant pipe.
Installing
Installation is carried out in the reverse order; note the following:
Tightening torque → Chapter
  Note
t  Fit new O-rings.
t  Hose connections and air pipes and hoses must be free of oil and grease before assembly.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue.
t  To ensure that the air hoses can be properly secured at their connections, spray rust remover onto the worm thread of used hose clips before installing.
–  Connect coolant hose with plug-in connector → Fig..
–  Fill up with coolant → Anchor.
  A19-10771

Coolant pump and thermostat - exploded view > < Removing and installing coolant pipe (front)