audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing coolant pipe (front) > < Removing and installing radiator outlet coolant temperature senderG83
Removing and installing pump for exhaust gas recirculation coolerV400
Removing and installing pump for exhaust gas recirculation cooler -V400-
Special tools and workshop equipment required
   
t  Hose clamps for hoses up to 25 mm -3094-
  W00-0079
t  Hose clip pliers -VAS 6362-
  W00-10427
Removing
–  Remove noise insulation -1- → Rep. gr.50.
  A10-10917
–  Release hose clips -1- and -2- and remove air hose.
  A21-10489
  WARNING
Risk of injury as the radiator fans may start up automatically.
Even when the ignition is switched off, the radiator fans can start up without warning due to accumulated heat in the engine compartment, etc.
–  Remove bolts -arrows-.
–  Release hose clip -2- and push right air pipe towards the right.
  Note
Disregard -items 1, 3-.
  Note
  A21-10435
Place a cloth underneath pump for exhaust gas recirculation cooler -V400- to catch escaping coolant.
–  Clamp off coolant hoses using hose clamps -3094-, release hose clips -3- and disconnect coolant hoses.
–  Unplug electrical connector -2-.
–  Unscrew bolts -1- and remove pump for exhaust gas recirculation cooler -V400-.
  Note
Disregard -arrow-.
Installing
Installation is carried out in the reverse order; note the following:
l  Tightening torque → Chapter „Coolant pipes, coolant temperature senders, coolant circulation pump - exploded view“
  Note
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.
–  Install air pipe → Chapter.
–  Install air hoses with screw-type clips → Fig..
–  Install noise insulation → Rep. gr.50.
–  Check coolant level → Anchor.
  A19-10639

Removing and installing coolant pipe (front) > < Removing and installing radiator outlet coolant temperature senderG83