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Removing and installing vacuum unit for exhaust gas recirculation cooler > < Exhaust gas recirculation system - exploded view

A4 Mk3

Removing and installing exhaust gas recirculation cooler
Removing and installing exhaust gas recirculation cooler
Special tools and workshop equipment required
   
t  Hose clamps for hoses up to 25 mm -3094-
Removing
  W00-0079
–  Remove engine cover panel -arrows-.
–  Remove air cleaner housing → Rep. gr.23.
  A10-11050
–  Disconnect vacuum hose -1-.
–  Remove bolts -2- and -4-.
  A21-10306
–  Clamp off coolant hoses -1- and -2- using hose clamps up to 25 mm -3094- and disconnect hoses.
–  Remove bolts -arrows- and detach exhaust gas recirculation cooler.
Installing
Install in reverse order. Note the following:
Tightening torques → Chapter „Exhaust gas recirculation system - exploded view“
  Note
t  Renew gaskets and O-rings.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue.
–  Top up coolant.
  A21-10307

Removing and installing vacuum unit for exhaust gas recirculation cooler > < Exhaust gas recirculation system - exploded view