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Removing and installing radiator > < Thermostat housing with map-controlled engine cooling thermostatF265: Removing and installing

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Map-controlled engine cooling thermostatF265: check
   
Map-controlled engine cooling thermostat -F265-: check
Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter
Special tools and workshop equipment required
t  Manual multimeter -VAG 1526C-, see equivalent → Anchor
t  Auxiliary cable kit -VAG 1594C-, see equivalent → Anchor
t  Extractor -T10118-, see equivalent → Anchor

Test condition
l  Engine cold.
Testing internal resistance of heating element
   
–  Useinstallation tools to separate -T10118- connector -Arrow- on thermostat for map-controlled engine cooling -F265-.
–  Connect a test lead with suitable 2-pin connector to thermostat contacts.
–  Connect multimeter to test lead (resistance test range).
l  Specification: 14 … 16 Ω at 25 °C.
If specification is not obtained:
–  Renew thermostat → Chapter.
  A19-10155
Function test of thermostat
–  Remove the Cooling system thermostat managed on the basis of a map of characteristics -F265- → Chapter.
–  Check the thermostat when cold.
l  The large valve head -arrow- must seal off the connection flange all the way round.
Otherwise:
–  Renew thermostat → Chapter.
  N19-0283
–  Connect thermostat contacts to battery using auxiliary tool kit -VAG 1594C-.
–  Using pliers, carefully place the thermostat vertically into a pot of boiling water up to the flange.
  Note
t  The electric heating element now additionally heats the wax in the thermostat.
t  This test should not be performed outdoors. Otherwise the dilatable material may be damaged
–  Check whether the minimum travel of -a- = 7 mm is attained after 10 minutes.
If the minimum stroke is attained:
–  Disconnect voltage supply from battery.
If the minimum stroke is not reached:
–  Renew thermostat → Chapter.
–  Interrogate and, if necessary, erase the fault memory for the engine control unit, as faults are stored when the connector is unplugged → Vehicle diagnostic, testing and information system VAS 5051.
  N19-0282

Removing and installing radiator > < Thermostat housing with map-controlled engine cooling thermostatF265: Removing and installing