audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Removing and installing top coolant pipe > < Removing and installing coolant pump

A4 Mk1

4-Cylinder engine (5-valve), Mechanics
Removing and installing parts of cooling system
Removing and installing, checking coolant thermostat

Removing

  • ‒ Drain cooling system
 
A19-0026
  • ‒ Unscrew bolts -4- and remove connection -3-, O-ring -2- and coolant thermostat -1-.

Installing

  • ‒ Clean and smooth down sealing surface for O-ring as required.
  • ‒ Insert coolant thermostat.
  • ‒ Fill up with coolant=> Page 19-7.

Tightening torque

Component

Nm

Connection to pump housing

10

Testing coolant thermostat

  • ‒ Heat thermostat in water bath.

Starts to open

Fully open

Opening travel

approx. 87°C

approx. 102°C 1)

at least 8 mm

    1)    cannot be tested

Removing and installing top coolant pipe > < Removing and installing coolant pump