Tapis · Mar 23, 2013

After changing the top gasket my td4 engine still mixes water and oil even before starting the engine.The mechanic says there's no water in the radiator so the oil cooler is okay.What could it be then.Please help me guys.

Jay reKx · Mar 23, 2013

gaylander. kill it with fire.

brian47 · Mar 23, 2013

Tapis said:
After changing the top gasket my td4 engine still mixes water and oil even before starting the engine.

"Top gasket"? Would that be the Cylinder head gasket or the cam cover gasket?

Tapis said:
The mechanic says there's no water in the radiator so the oil cooler is okay.

Of course there's no water in the radiator ... it's all in the sump! What's the oil cooler got to do with water in the radiator?
　

Tapis said:
What could it be then.Please help me guys.

Cylinder head gasket, not the top gasket faulty or blown. Replace the CH gasket
Warped cylinder head. Have the head skimmed true again.
Cracked cylinder head. Replace the cylinder head.

Remove the engine and weigh it in. Burn the rest.

Tapis · Mar 24, 2013

The head was skimmed and pressure tested okay.Could there be a fault in the block.

THEengineer · Mar 24, 2013

same engine as beemers and R75 never heard of a head gasket failing TBH must be really unlucky

owl · Mar 24, 2013

There is a water to oil heat exchanger when you turn the engine off there is no oil pressure but still pressure in the cooling system, hence an internal leak in the heat exchanger and the result is water in the sump. I have seen oil in the water too but get the cooler pressure tested.

hoopfish · Mar 26, 2013

owl said:
There is a water to oil heat exchanger when you turn the engine off there is no oil pressure but still pressure in the cooling system, hence an internal leak in the heat exchanger and the result is water in the sump. I have seen oil in the water too but get the cooler pressure tested.

Would the car still run with this problem owl?.My mate has the same,oil mixing with water but appears to run okish.Gets a bit of backfire on tick over!.

Richard Martin · Mar 26, 2013

Tapis said:
After changing the top gasket my td4 engine still mixes water and oil even before starting the engine.The mechanic says there's no water in the radiator so the oil cooler is okay.What could it be then.Please help me guys.

This doesn't make much sense. Does he mean "no water in the oil cooler". If so, how does he know?

owl · Mar 26, 2013

hoopfish said:
Would the car still run with this problem owl?.My mate has the same,oil mixing with water but appears to run okish.Gets a bit of backfire on tick over!.

Well yes the engine will run OK for a while but obviously there is a problem that need urgent attention.

Tapis · Mar 27, 2013

Sorry guys I actually meant no oil in the radiator so according to the mechanic,the oil cooler is fine.The water goes into the oil sump before he even starts the engine.

martin1512 · Mar 27, 2013

It's fooked, burn it!

:flame:

Tapis · Mar 29, 2013

Hi guys,"The Engineer"was right,the cylinder head and the cylinder head gasket didn't fail,after talking the block for pressure test,it failed,so the block is cracked hence water going straight into the oil channel into the sump.Thanx guys for your ideas.

martin1512 · Mar 29, 2013

Tapis said:
Hi guys,"The Engineer"was right,the cylinder head and the cylinder head gasket didn't fail,after talking the block for pressure test,it failed,so the block is cracked hence water going straight into the oil channel into the sump.Thanx guys for your ideas.

Told ya it was fooked!

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