audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Thermostat housing - exploded view of components > < Removing and installing coolant pipe (top)

A4 Mk2

Removing and installing coolant pipe (bottom)
Removing and installing coolant pipe (bottom)
Special tools and workshop equipment required
   
t  Hose clip pliers -V.A.G 1921-
  W00-0464
Removing
–  Drain off coolant → Chapter.
–  Remove coolant pipe (top) → Chapter.
–  Remove intake manifold → Chapter.
–  Unscrew bolts -3- and remove resonator.
–  Detach coolant hoses -arrows- from coolant pipe (bottom).
–  Unscrew securing bolts -1- and -2- for coolant pipe.
–  Pull coolant pipe out of thermostat housing.
Installing
Installation is carried out in the reverse order; note the following:
  Note
t  Renew O-rings.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.
–  Install intake manifold → Chapter.
–  Install coolant pipe (top) → Chapter.
–  Fill cooling system → Anchor.
Tightening torques
  A19-10115
ComponentNm
Coolant pipe (bottom) to: Thermostat housing10
Oil cooler15
Resonator to coolant pipe (bottom)5

   

Thermostat housing - exploded view of components > < Removing and installing coolant pipe (top)