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Additive tank > < Removing and installing parts of cooling system

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Emptying fuel tank if it is less than 3/4 full
Emptying fuel tank if it is less than 3/4 full
–  Remove both centre seats → Rep. Gr.72.
–  Fold back floor carpet.
–  Remove cover from fuel delivery unit.
  WARNING
The fuel supply line is under pressure! Wear eye protection and protective clothing to avoid injuries and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection.
   
–  Pull return line -1-, supply line -2-, fuel line for additional heater (if fitted) -3- and 4-pin connector -4- off fuel delivery unit flange.
  Note
Press buttons on hose couplings to do this.
  N20-10277
–  Loosen union nut using union nut tool -3217-.
–  Raise sender flange.
–  Insert extraction hose of fuel extractor -VAS 5190- as deeply as possible into fuel tank and extract fuel.
If fuel tank needed only to be emptied, reinstall sender flange → Chapter.
  A20-0106

Additive tank > < Removing and installing parts of cooling system