Introduction
'''Tutorial made on Audi A3 II - 2.0TDi 140ch (year 2005).
Often the cause of coolant loss.'''
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removing the air filter remove the screws with the star screwdriver
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unscrew the nuts on the EGR valve to be able to lower the pipe after having of course unscrewed the screw on the temperature flange.
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using the multiple pliers or a clamp pliers, detach the hoses from the flange and disconnect the temperature sensor plug. CAUTION: carry out this operation when the engine is cold and protect the ground with a tray to drain the coolant.
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unscrew the first nut by 10 with an extended socket wrench to be able to lower the EGR valve pipe a little to access the second nut
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removal of the flange we can clearly see the leak problem. flange broken at seal level
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CLEANING before installing the new temperature probe flange which is in better condition in the image. Don't forget to put the O-ring with a little grease so that it stays in the housing in the event that your flange is not supplied with it.
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3 Comments
Hello, thank you for this tutorial, do you know what the tightening torque is for the two screws on the flange?
Hello
for the tightening torque.
I do them with a socket wrench without forcing too much.
It is not necessary to tighten too much, especially since there is an O-ring.
so be careful not to break the bridle by forcing it too much.