Michael Pardee wrote:
> <Fabiorossi5@yahoo.ca> wrote in message
> news:1164607420.610828.258720@14g2000cws.googlegro ups.com...
>
>>I had overheated the car but not badly, I shut it down quickly.
>>
>>I had the mechanic replace the radiator, had the cylinder head rebuilt
>>plus new head gasket, timing belt (84,000 miles) and water pump, new
>>hoses, new radiator fan, etc. I asked the mechanic if the bottom end
>>(block/pistons) could have been damaged before he started the job and
>>he said they never get damaged. He said they are strong. He
>>specializes in Honda and Toyota.
>>
>>The engine is very smooth. The repair was about two months ago but I
>>noticed I have oil in my radiator with the milky coffee look. I
>>flushed it again and the "coffee" came back the same day.. I also
>>added oil because it was a little low. The mechanic is an honest guy
>>and a good mech. I am taking it back but I am wonder what it could be
>>beside even more money to shell out.
>>
>
>
> I suspect your new radiator has a defective transmission fluid cooling
> loop - assuming the transmission is an automatic. All too often, the coolant
> also gets into the transmission and can cause real trouble if allowed to go
> on long, so check the tranny dipstick for signs of milkiness. This won't be
> something the mechanic did wrong, if that is indeed the problem. The failure
> will be inside the radiator rather than in the way it was put in.
>
> It's also possible the oil was contamination inside the new radiator,
> though, and now has floated to the surface.

A good test for this is to check the crankcase oil for the presence of water -
if it's seeping one way, it will likely seep the other way as well. Check the
tranny fluid too, to see if water is getting in there.