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Coolant pipes, coolant temperature senders, coolant circulation pump >
< Removing and installing 4/2-way valve with thermostat
A4 Mk3
Power unit
4-cylinder TDI engine (2.0 ltr. 4-valve common rail - generation II), mechanics
Engine cooling
Coolant pump and 4/2-way valve with thermostat
Checking thermostat
Checking thermostat
Checking thermostat
–
Heat removed thermostat in water bath.
Starts to open
Fully open
Opening travel
approx. 92 °C
approx. 107 °C
1)
at least 7 mm
l
1)
Cannot be tested.
Power unit
4-cylinder TDI engine (2.0 ltr. 4-valve common rail - generation II), mechanics
Engine cooling
Coolant pump and 4/2-way valve with thermostat
Checking thermostat
Coolant pipes, coolant temperature senders, coolant circulation pump >
< Removing and installing 4/2-way valve with thermostat