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[vauxlover]

Lookin for some help please,
THIS IS MY FIRST POST SO SORRY IN ADVANCE!
My 2002 2.6 V6 (72000)was using a lttle bit more water than usual a few week ago so I asked my local mech what he thought, he said there is a valve that passes water to the engine from the water res, he explained it a common fault for them to leak (although never signs of water loss under car). He also said that this was the causes condensation in the engine thus explaining a light milky covering of the underside of the oil cap. A week or so passed and it seemed better. I found having the hot air on a low power setting provented the water loss? Anyway not having the money to get this valve fixed I still needed to mot and service it and as it seemed better thought I could wait till more funds in my pocket. About a week after the work was done to the car I was driving it and the coolant check came on followed by the check oil check, i was not far from home so got there sharpish. I popped the bonnet and the water res had over flown abit and filled with like brown frogs spawn that when touched turned to smelly oil milky browny gunk. The think to point out is there is not water on the dipstick. But obviously the oil has gone down as it now appears to be in the water res.

I have been told various things now and need to speak to people that know.

I have been told this could be a Head Gasket but I have also been told it could be the Oil Cooler?

Please can someone help as money is tight and I dont want to loose her.

Thanks

[Jimbob]

Hello & Welcome, Ive spilt your problem out from the other..

Easier all round.

Oil in the water WILL be your oil cooler

Dont run it like this as the oil will knacker rubber pipes and sludge up radiator.

The kit to replace costs about £100

Plus lots of flushing of the coolant system afterwards 

[Elite Pete]

As Jimbob said, its the oil cooler. The oil pressure is higher than the water pressure so the oil ends up filling the coolant system which then overflows out of the filler neck. Changing the oil cooler isn't a bad job but flushing the system is a pain.

[Lazydocker]

Yep... Oil cooler. As said, not too bad a job to do

[Brucie1946]

I bought a kit last month on ebay, gen vaux £119.99, you wont find cheaper than that I assure you, includes everything you need, get the proper grey sealant from vauxhall though, else you've wasted your time, let the sealant cure for 24hrs aswell.

Hope this helps

Dean

[Brucie1946]

Oh and undo the oil cooler pipes on the block aswell using a crows foot type socket, makes for an easier time of it, do this before you remove the banjo bolts to oil cooler.

Whilst your there replace coolant bridge seals with 3/4" dowty hydraulic seals, you need 4 of those, vaux type are crap.  Maybe do the thermostat too if you wanted to, saves going back in at a later date.

Dean

[Shackeng]

http://www.omegaowners.com/forum/YaBB.pl?num=1221081908

This should help.

 

[Brucie1946]

Sorry, the dowty seal size is 3/8 bsp, not 3/4".