audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing coolant pipes (at side) > < Removing and installing thermostat
Removing and installing coolant pump
Removing and installing coolant pump
Special tools and workshop equipment required
   
t  Drip tray for workshop hoist -VAS 6208-
  W00-10228
t  Spring type clip pliers -VAS 5024 A-
Removing
  WARNING
Hot steam/hot coolant can escape - risk of scalding.
t  The cooling system is under pressure when the engine is hot.
t  To allow pressure to dissipate, cover filler cap on coolant expansion tank with cloth and open carefully.
–  Open filler cap on coolant expansion tank
  W00-1179
–  Pull off engine cover panel -arrows-.
  A10-10292
–  Vehicles with auxiliary heater: remove bolts -arrows- securing exhaust pipe for auxiliary/additional heater to noise insulation.
  A10-0407
–  Release quick-release fasteners -1- and -2- and take off front noise insulation.
–  Drain off coolant → Chapter.
–  Remove toothed belt → Chapter.
  A10-1320
–  Unscrew coolant pump securing bolts -1- and remove coolant pump -2-.
–  Remove O-ring -3-.
Installing
Installation is carried out in the reverse order; note the following:
–  Clean and smoothen sealing surface for O-ring.
  A19-0084
–  Coat new O-ring -3- with coolant G12+.
–  Fit coolant pump -2-.
l  Installation position: Sealing plug in housing faces downwards.
–  Tighten bolts -1- for coolant pump to 15 Nm.
–  Install toothed belt → Chapter.
–  Install poly V-belt → Chapter.
–  Fill up with coolant → Chapter.
–  Install lock carrier with attachments → General body repairs, exterior; Rep. Gr.50.
  A19-0084
–  Allow stop for torque reaction support to rest on rubber buffer for torque reaction support under its own weight and tighten nuts -arrows-.
–  Install front bumper cover → General body repairs, exterior; Rep. Gr.63.
–  Check headlight adjustment → Booklet803.
Tightening torques
  A10-10288
Component Nm
Coolant pump to cylinder block15
Toothed belt cover to cylinder block10 1)
Stop for torque reaction support28
l  1) Apply locking fluid when fitting

   

Removing and installing coolant pipes (at side) > < Removing and installing thermostat