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Topic: Loosing coolant, white foam in coolant tank (Read 382 times) |
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24v96wagon
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Loosing coolant, white foam in coolant tank
« on: Sep 1st, 2007, 12:07pm » |
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My 1995 Cosworth Ghia (175000 km) looses about 1/2 litre of coolant over 150 km. The coolant tank gets filled with white foam. After cooling down, this foam disappears but refilling is needed.
What could be the reason?
Regards from Belgium.
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harry.m1byt
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Re: Loosing coolant, white foam in coolant tank
« Reply #1 on: Sep 1st, 2007, 12:46pm » |
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I would guess at a blown head gasket.
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August '95 2.9 12v auto Ultima -
Now flashing 
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john.n
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I love my cossie
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Re: Loosing coolant, white foam in coolant tank
« Reply #2 on: Sep 1st, 2007, 1:17pm » |
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I agree, it must be head gasket  john.n
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v4-max aka Cheekyboy1
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focus cc mk3 mondeo 2.0 auto cbx750 vt600
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Re: Loosing coolant, white foam in coolant tank
« Reply #3 on: Sep 1st, 2007, 1:58pm » |
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tintin
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Re: Loosing coolant, white foam in coolant tank
« Reply #4 on: Sep 1st, 2007, 3:26pm » |
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not sure about the white foam, but there are a few different reasons for water loss, my cossie has been diagnosed h/g 3 times, never was. first time was water pipe under the manifold, second was intermittent rad leak. third was the cats. not saying what it is, but you should get it checked before writing it off 
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'95 Cosworth Ultima
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pat
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Rover 75. Rover 620. Ford P100 Pickup.
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Re: Loosing coolant, white foam in coolant tank
« Reply #5 on: Sep 1st, 2007, 7:13pm » |
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The foam is the give-away. It will be blown between a cylinder and the water jacket.
You might get away with a new gasket but it could need the head skimming.
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You don't have to be mad to own a Scorp - but it helps!
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24v96wagon
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Re: Loosing coolant, white foam in coolant tank
« Reply #6 on: Sep 2nd, 2007, 8:33am » |
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I intend to renew both cilinder head gaskets, together with the seals of the cam shaft tensioner. Is there a manual, a parts list and list of special tools available. Are there any issues to be attended, apart from these manuals?
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24v96wagon
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Re: Loosing coolant, white foam in coolant tank
« Reply #8 on: Sep 2nd, 2007, 12:21pm » |
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Thanks very much Highlander.
I intend to renew the head gaskets while leaving the engine in the car. Can this be done?
The manual demands special tools like splined head socket (21-002) and cilinder head guide studs.
Does somebody want to sell these tools?
Pat mentiones skimming the heads. Are there any limits to the skimming or do I jusk ask the machine shop to machine them untill perfectly flat?
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