1990 mercedes 190E petrol 2.0

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shortyone - 31 Aug 2005 17:33 GMT

when hot, over-flowing from expansion tank.Problem started when,cooling
system drained & changed anti-freeze,till then running o.k. Since 1st
problem, have changed cyl head(vacuum & pressure tested & skimmed)Used
merc gasket & new bolts & still the same problem,New thermostat no
difference.Radiator checked o.k.dont know if fan is cutting in.Can you
help.Thanks.

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Kenneth P. Stox - 31 Aug 2005 19:40 GMT

> when hot, over-flowing from expansion tank.Problem started when,cooling
> system drained & changed anti-freeze,till then running o.k. Since 1st
> problem, have changed cyl head(vacuum & pressure tested & skimmed)Used
> merc gasket & new bolts & still the same problem,New thermostat no
> difference.Radiator checked o.k.dont know if fan is cutting in.Can you
> help.Thanks.

Silly question, did you replace the radiator cap?

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T.G. Lambach - 31 Aug 2005 20:26 GMT

Could it be air bound?

The problem arose only after the coolant was drained and replaced.

Some cars get an air bubble trapped in the cooling system that needs to
be bled out. This car may be one of those.

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Cheesehead - 31 Aug 2005 20:36 GMT

Water pump gummed up from flush?

Collin
KC8TKA
E320/97

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Pieman - 05 Sep 2005 17:00 GMT

I had a similar problem, but mine was due to the head gasket blown, this
then blew hot gases in the water coolant system, which inturn blew the
coolant out of the expansion tank.

Might help

Regards

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