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[Ifield_Omega]

HI guys..
stripped down to get old HDV off as suspect I have a split pipe too and didnt want to make 2 trips to Vauhall dealer ( £33 inc vat for valve by the way )and found this ....gloop...could this be the radiator fix gunge or is it down to the final resting place for me old Omega    looks like the whole valve is filled with it. Obviously havent flushed anything out yet but is it worth going further ?

[ffcgary1]

OIL cooler failure deffo, not terminal but more involved. will require flushing with forte system cleaner or low foam detergent  and oil cooler change.NOT HEAD GASKET.

[Mike Collins]

That pipe looks too small to off the HBV. It looks like breather size in that picture.

Which pipe is it?

[Ifield_Omega]

hi guys thx for looking and replying again  
the pipe is the top one of two from the left hand side of the HBV .. this was the 1st 1 i took off, awkward to say the least, there is one pipe below it and another on the other side that seems to go to an ally unit on the off side wing..there are 2 pipes from this unit and the other 1 goes to the HBV as well if i remember correctly? anyway, do I need to get a new oil cooler or is a 2nd hand 1 ok , what sort of price am I looking at any idea pls ?
might be able to do it saturday if I can get the part and cleaner etc..thx again

[Mike Collins]

I should check which pipes you really are looking at.

With that level of contamination in a coolant line your header tank would be encrusted with emulsified oil.

Does the coolant header look badly contaminated?

[Ifield_Omega]

I should check which pipes you really are looking at.

With that level of contamination in a coolant line your header tank would be encrusted with emulsified oil.

Does the coolant header look badly contaminated?

Hi Mike..
Im sure its the HBV pipe that Im looking at..re the maintenance guide on the link earlier in this post thats deffo the guy Im working on..not too sure if the header tank was contaminated as there isnt and hasnt been any water in there since I parked it up a couple of weeks ago, do you think there is another problem or the head gasket really has gone?  Im willing to wait while you guys debate or if theres more info you need or pics I can get etc no problem, as time allows..theres no great rush car is off the road but taxed till May 08, so your help is appreciated.

[Elite Pete]

If the picture is of the HBV which has got the three pipes as you describe (looks a bit like the starship enterprise) I would say that the oil cooler requires replacing and I would only use a new one and not second hand.

[Entwood]

I'm with the oil cooler vote ..

Friend of mine was told head gasket £1800 on his 01 2.6 ... I went by what the forum generally says .. ie .. head gaskets rarely go ... we flushed the system very thoroughly, ran it .. sure more oil but it did NOT pressurise  .. then he told his garage ( I don't live close enough or have the expertise ) to change the oil cooler .. so they did ....£480 later his car runs as well as ever  

[Mike Collins]

Maybe take off another coolant pipe, top hose say. If that is as bad then you have bad oil contamination of the cooling system, oil cooler is a likely candidate.

It may be a distortion of the photograph, but I still think that pipe is small for HBV. What is its ID?