help need thick creamy coolant

[kninio]

Hello ,

i have nightmare in the coolant , my daily use v6 12v a4 suddenly overheated , i check the coolant tank and i found it creamy, it mixed oil with the coolant , at first i expect its the oil cooler as usaly but what make crazy is i found all the hoses and radiators and engine pipes is clocked with very thick creamy colant they are almost like bondo , any one face such case? some ppl told me this is the transmission cooler which fail and can make this , any help

[Jamo]

Head gasket if say?

[kninio]

Head gasket if say?

i dont think so because there was no sign of pressure in the hoses after flushing, and the engine was runing smooth , but later it become rough so possible the head gasket got damaged? by the way when i was driving it coolant temperatur stay at 90, but the engine oil temperature kicked the 160 degree , that is why i stop and found everything is blocked.

[zer matt_c]

head gasket - as previously mentioned.

Do a compression test as that will confirm it one way or the other.

[DJones]

As zer matt_c has said compression test will give you a good indication of the head gaskets performance. However you could just have a water gallery and oil gallery that has joined i.e. gasket on those items alone.

I would take the oil cooler off and have a look there first, its not unknown for them to cause what you have outlined.

Darren.

[EspenW]

Yep, I'd check the oil cooler too. They are known to fail.

[jade]

Yep, I'd check the oil cooler too. They are known to fail.

Whats the oil cooler got to do with the coolant ?

[DJones]

Its a combined unit behind the oil filter i.e. the oil passes through a chamber which has a water jacket, its been known for them to fail resulting in what has been described.. Its not an oil radiator as you would think, could also be described as an oil warmer as the water jacket gets warmer first but at normal temps oil is normally warmer than water..

Darren.

[jade]

Its a combined unit behind the oil filter i.e. the oil passes through a chamber which has a water jacket, its been known for them to fail resulting in what has been described.. Its not an oil radiator as you would think, could also be described as an oil warmer as the water jacket gets warmer first but at normal temps oil is normally warmer than water..

Darren.

Ok got that, Thanks

[kninio]

its oil cooler + head gaskets , first oil cooler fail and blocked the hoses and radiator , then the extreme heat cosed the heads to fail , had to smash both of them , even the gaskets was still ok when i disassemble it but none of it was still straight.

[EspenW]

No surprises there, unfortunately..