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Audi ur-quattro 10V Coolant System

19-318 Audi ur-quattro 10V coolant system

  1. Coolant pump
    • Consider replacement regardless of condition
    • Cam belt tensioner - take care not to disturb cam timing
    • Lift pump to tension cam belt
  2. Thermostat - see 19-10 to check
  3. Coolant temperature sender (G62)
  4. Electronic thermoswitch (F76)
  5. 5 Nm
  6. Coolant pipe
  7. 20 Nm
  8. Filler cap - see 19-9 to check
  9. Expansion tank - see 19-13 to check
  10. Radiator fan - Note: the fan is driven by several circuits and can start at any time on a warm car
  11. Auxiliary radiator
  12. Auxiliary radiator support bracket
  13. Radiator bracket
  14. Radiator
    Removing and installing
    • Remove radiator ducting
    • Detach electrical wiring
    • Detach coolant hoses and securing parts
    • Remove washer fluid reservoir
  15. Thermoswitch for radiator fan
    SwitchOnOff
    1st stage92°C...97°C86°C
    2nd stage99°C...105°C91°C

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