Emulsion forming in the radiator cap.
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Emulsion forming in the radiator cap.
I am getting conflicting information on why there is a an emulsion forming on the radiator cap. Any help appreciated.
Mollymayfair- Newbie
- Number of posts : 8
Location : Suffolk
Registration date : 2010-06-27
Re: Emulsion forming in the radiator cap.
Hi Molly, emulsion under the oil cap means water is getting into the oil somewhere (Oil + Water = emulsion, just like the paint).
The water could be getting into the oil from a number of places, it could be one of the many gaskets in the engine that's cracked or if you're really unlucky, the engine block itself may have cracked, but that's very rare.
So to fix it I'd check your gaskets first. Checking the head gasket will mean taking the head off the engine which is not a quick task and putting it back on requires all the bolts to be done up in a very specific order, to very specific torques. So maybe a job for a mechanic if you're not too confident in doing it yourself.
Someone else on here might have some other ideas though....
The water could be getting into the oil from a number of places, it could be one of the many gaskets in the engine that's cracked or if you're really unlucky, the engine block itself may have cracked, but that's very rare.
So to fix it I'd check your gaskets first. Checking the head gasket will mean taking the head off the engine which is not a quick task and putting it back on requires all the bolts to be done up in a very specific order, to very specific torques. So maybe a job for a mechanic if you're not too confident in doing it yourself.
Someone else on here might have some other ideas though....
Keith- Admin
- Number of posts : 1496
Age : 49
Location : Norwich
Registration date : 2007-11-16
Re: Emulsion forming in the radiator cap.
sounds like stages of your head gasket going.Do you keep your car in a garage because sometimes its a build up of condensation.Are you losing water or oil and is your temp gauge going up high ??
mr t- Mini Addict
- Number of posts : 1140
Location : On my sofa
Registration date : 2009-03-12
Re: Emulsion forming in the radiator cap.
Is there a simular build up on the oil filler cap?
johnnie- I'm special I am.
- Number of posts : 1872
Location : billingford
Registration date : 2007-09-27
Re: Emulsion forming in the radiator cap.
Johnnie , Yes under the oil cap too
Mollymayfair- Newbie
- Number of posts : 8
Location : Suffolk
Registration date : 2010-06-27
Re: Emulsion forming in the radiator cap.
In that case its probably the head gasket... (not a major job)
If you pull the dipstick out is the white stuff on there as well??
and also is it using water???
If you pull the dipstick out is the white stuff on there as well??
and also is it using water???
Woody- Member
- Number of posts : 332
Age : 32
Location : Stalham
Registration date : 2009-03-19
Re: Emulsion forming in the radiator cap.
Woody,
None on the dip stick but a lot of water is being used.
None on the dip stick but a lot of water is being used.
Mollymayfair- Newbie
- Number of posts : 8
Location : Suffolk
Registration date : 2010-06-27
Re: Emulsion forming in the radiator cap.
sounds very much like head gasket to me
johnnie- I'm special I am.
- Number of posts : 1872
Location : billingford
Registration date : 2007-09-27
Re: Emulsion forming in the radiator cap.
Thank you all very much for your help. Back to Garage then for Molly
Mollymayfair- Newbie
- Number of posts : 8
Location : Suffolk
Registration date : 2010-06-27
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