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Parts of cooling system > < Checking oil level

A4 Cabriolet Mk2

Removing and installing parts of cooling system
Removing and installing parts of cooling system
  WARNING
Hot steam can escape when opening cap on expansion tank; cover filler cap with a cloth and open carefully.
  Note
t  The cooling system is under pressure when the engine is hot. If necessary, relieve pressure before commencing repair work.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue.
t  Renew gaskets, seals and O-rings.
t  The arrow markings on coolant pipes and on ends of hoses must align.
   

Parts of cooling system > < Checking oil level