Passat tdi coolant problem

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kevbiss1 - 28 May 2008 20:22 GMT

my 1998 passat tdi loses coolant every 2 days or so . there are no
leaks and no oil in the coolant. every time i take the expansion cap
off to top the coolant up , there is pressure there , even when the
engine is cold. i have removed the thermostat , checked the water pump
and flushed the system through

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Craig - 28 May 2008 23:23 GMT

Check the EGR cooler. They have been known to leak internally. Take one of
the EGR connections off & you might see moisture in there.

> my 1998 passat tdi loses coolant every 2 days or so . there are no
> leaks and no oil in the coolant. every time i take the expansion cap
> off to top the coolant up , there is pressure there , even when the
> engine is cold. i have removed the thermostat , checked the water pump
> and flushed the system through

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