2004 Peugeot 407 liquid flows

2004 PEUGEOT 407
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NENEA DANI
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Steering problem
2004 Peugeot 407 4 cyl Front Wheel Drive Manual 100K miles

When the temperature falls below 0 grd Celsius power steering pump fluid from the vessel behaves as follows: every time you kill the engine the liquid spits out through the ventilation hole . This leaves the return pipe as a foam and rise in pressure in the expansion vessel and then go out through the hole of the talking.
If you stop the engine 2-3 times all the liquid is lost. The pump is electro-hydraulic. Changing fluid, the pump and ventilation installation does not give good results. With the engine started liquid level is normal and it's nor foam. It is a common problem on Peugeot 407 2HDI and not know the reason and cure.
Thanks in advance, Daniel

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Jan 28, 2010 at 5:05 PM
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DAVE H
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replace the pump and check lines/rack etc. for leaks
Feb 7, 2010 at 6:09 AM