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Oil In Radiator

Adz2332

By Adz2332,
in Engines & Forced Induction

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Adz2332 Grand Master

Adz2332

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have just serviced it.

so will keep an eye out.

How quick is to quick to see some back in there? bearing in mind its only the smallest amount. its like just a bit of scum up the top when i serviced it after a bit over 5000kms>?

GTRNUR Grand Master

GTRNUR

Posted
Posted

This is a very common issue with metal head gaskets when they have been installed dry (no hylomar spray), or if the head and block weren't surfaced exactly dead flat.

Provided your not leaking combustion gasses this is easy to fix.

Get yourself a cheap ass ebay radiator or an old second hand one. Fill the coolant system with water, bleed the air and go for a drive to get it up to temp.

Shut it down, and VERY CAREFULLY with a very big towel or rag, take the radiator cap off. Give the top radiator hose a few squeezes to get rid of some of the water.

Start the car and then empty a bottle of BAR'S Stop Leak (Cooling system sealer) into the radiator. (Lots of auto shops stock this stuff) Top up with water and put on your cap.

Drive the car like this for about 2-4 weeks. Then drain the water, flush the system through a couple more times with water (running it up to temp each time).

Last of all, swap back in your good radiator and fill with coolant.

As a precaution, it would be worthwhile having all your head studs torque settings checked too. This is a cam covers off only job, and is perhaps an hours work at most for a good mechanic. This is an overkill check though, as if something was loose you'd have nothing but combustion gas in your radiator. Not just a little oil.

Adz2332 Grand Master

Adz2332

Posted
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Posted

Ah thats makes a bit of sense actually.

I ran my tuner, who also did the engine rebuild and he said he would be shocked if it had done the gasket or cracked a head etc.

He to said along the lines of when the gasket was installed there may have been something wrong etc. and they will check it out no charge for me and go from there

  • 2 weeks later...
Adz2332 Grand Master

Adz2332

Posted
  • Author
Posted

Just an update.

Just got the car back yesturday.

All checked out fine.

Head was tested along with the head gasket both fine.

Had a compression test, come out excellent.

The cooler was leaking slightly but leaking oil OUT not in, but that has been fixed.

The little scum / oily film has been mainly put down to it being a new motor and during the rebuild may have got some in there along the lines.

So all in all, its all good. Flushed the radiator etc out for me to and topped up with coolent no charge, long story short im a happy man!

StevenCJR31 Veteran

StevenCJR31

Posted
Posted

Just an update.

Just got the car back yesturday.

All checked out fine.

Head was tested along with the head gasket both fine.

Had a compression test, come out excellent.

The cooler was leaking slightly but leaking oil OUT not in, but that has been fixed.

The little scum / oily film has been mainly put down to it being a new motor and during the rebuild may have got some in there along the lines.

So all in all, its all good. Flushed the radiator etc out for me to and topped up with coolent no charge, long story short im a happy man!

good thing the hg wasnt changed for no good reason eh?

glad its worked out cheaply for you too

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