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Oil In Radiator

Adz2332

By Adz2332,
in Engines & Forced Induction

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89CAL Grand Master

89CAL

Posted
Posted

^ Pretty much

Thats why I originally didnt say 'this will definetly be it' but it is most likely one of those things. I suppose if you wanted to test the heat exchanger you could remove the coolant lines, link them together and then run the car and see if the problem gets worse, or if you get oil leakage out of the coolant ports in the heat exchanger. Just let the thing warm up easy

Otherwise if its head gasket/head related then the only option is to pull the head off.

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GTSBoy Grand Master

GTSBoy

Posted
Posted

Well, if you want to look at it that way, then yeah, it is an expensive way to diagnose a problem. But I tend toward the expectation that people on here who ask these questions need a mechanic to do the work, so they will then take it to a mech with the "oil in water" story. Whether the head gasket gets replaced or not would then depend on what the mechanic finds.

But I take your point.

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StevenCJR31 Veteran

StevenCJR31

Posted
Posted

there is tests you can perform to determine if the hg is blown or not whilst the motor is intact,taking the(factory) hg off usually destroys it and it maybe harrd to pick up where it blew(thats if it blew at all)

its just the way it is

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Chris32 Veteran

Chris32

Posted
Posted

Over the course of a weeks driving does it use much coolant?

Not the same car, but my Commodore had similar issues after I replaced the radiator and thermostat, new fluid etc.

I swore I'd done the head gasket, as after a few days there was little bits of oily crap on the rubber of the radiator cap. Then I checked the overflow, and it was in there too.

It was using around 100ml of coolant a day.

I found a heater hose that was a bit loose, and then dumped the coolant and replaced it. Its been fine ever since! The only thing I could think of was either the new radiator had a bit of crap in it, and the fresh coolant might have dislodged some buildup from the engine somewhere.

Check the overflow bottle to see if its got the same stuff in it

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StevenCJR31 Veteran

StevenCJR31

Posted
Posted (edited)

(to op 2nd answer above )not time to panic yet strongly suggest you get the engine tested before you start tearing the motor down and then having to work out which TAB you can rob to pay for it :-)

Edited by StevenCJR31
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GTSBoy Grand Master

GTSBoy

Posted
Posted (edited)

QUOTE

there is tests you can perform to determine if the hg is blown or not whilst the motor is intact,taking the(factory) hg off usually destroys it and it maybe harrd to pick up where it blew(thats if it blew at all)

/QUOTE

Oil in water and combustion gases in water are two separate things though. I don't think there's a "test" that will tell you that your oil in water problem is definitely HG or not.

Edited by GTSBoy
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