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Author Topic: Re: cooling  (Read 3352 times)

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bored bigyin54

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Re: cooling
« on: 04 October 2011, 11:31:50 »
the hbv is done but still got a leak from the back off engine
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tunnie

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Re: cooling
« Reply #1 on: 04 October 2011, 11:55:11 »
its worth checking all the coolant pipes, even a tiny split can pi$$ water everywhere. Common one is the one of the coolant bridge  :y
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albitz

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Re: cooling
« Reply #2 on: 04 October 2011, 12:01:12 »
Oil cooler was changed a few months ago.Im wondering if the mechanic has used the wrong sealant or reused dowty washers or similar. :-\
Need a good torch and possibly a mirror, then take some time and try to see where its coming from.After that its plenum off,and if source cant be seen, the cooling system will need pressurising to see the leak. Pressurising might just be a matter of someone blowing hard into the neck of the header tank, while someone else looks for water spurting out. ;)
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bored bigyin54

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Re: cooling
« Reply #3 on: 04 October 2011, 12:04:47 »
the selant was from vx
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tunnie

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Re: cooling
« Reply #4 on: 04 October 2011, 12:06:39 »
what about dowty washers?

You going to have to take off the plenum and injection manifold, inspect all around the oil cooler and coolant bridge for signs of a leak
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bored bigyin54

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Re: cooling
« Reply #5 on: 04 October 2011, 12:07:59 »
i have never taken the pleneum off
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tunnie

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Re: cooling
« Reply #6 on: 04 October 2011, 12:13:05 »
Quote from: bigyin54 on 04 October 2011, 12:07:59
i have never taken the pleneum off

Well, if you want to find the source of your coolant loss, you will have to. Otherwise i will have to be taken to a garage  :(

Details here:

http://www.omegaowners.com/forum/index.php?topic=90657.0

http://www.omegaowners.com/forum/index.php?topic=90545.0
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albitz

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Re: cooling
« Reply #7 on: 04 October 2011, 12:25:37 »
Its not difficult to do Ralf,as long as you have a set of torx sockets ? Just follow the guide,be methodical,take your time, and stuff kitchen roll or similar in the ports until your ready to put the plenum back on.If you drop a bolt or similar down one of the ports it could be a head off job.
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bored bigyin54

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Re: cooling
« Reply #8 on: 04 October 2011, 15:03:24 »
well i cut my finger anyway and the car is going back to the guy who done the oilcooler
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bored bigyin54

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Re: cooling
« Reply #9 on: 05 October 2011, 07:50:59 »
dowdy washers from vx as well
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albitz

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Re: cooling
« Reply #10 on: 05 October 2011, 11:39:02 »
Start with the simpler things - a leak from a hose.May well need to remove plenum and inlet manifold to see it though.
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bored bigyin54

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Re: cooling
« Reply #11 on: 05 October 2011, 12:58:55 »
its going back to the guy who done oilcooler
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bored bigyin54

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Re: cooling
« Reply #12 on: 06 October 2011, 18:12:27 »
just drove car down to the guy who done oilcooler got there at had no water dripping down weird or what
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Entwood

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Re: cooling
« Reply #13 on: 06 October 2011, 18:14:58 »
Quote from: bigyin54 on 06 October 2011, 18:12:27
just drove car down to the guy who done oilcooler got there at had no water dripping down weird or what

HBV's have a tendency to only leak when in a certain position, and that position is dictated by a combination of the ambient temperature, the actual temperature inside the car, and  the selected temperature inside the car.

Might be worth lying with the selected temperature whilst the engine is running .. you may find the leak that way.
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bored bigyin54

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Re: cooling
« Reply #14 on: 06 October 2011, 18:19:18 »
done that after changing hbv valve was dry but still water dripping until today when i drove it there was none dripping
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