I had the head gasket in my w 124 replaced for the second time

the head was machined down in the process.

Now there is engine oil in the engine coolant compartment

mixing with water. What could be the reason for this?


Michael

Head bolts not torqued properly?

Worse, maybe crack in head?

Could it be that the people who did the work didn't adequately flush the cooling system after the head gasket was replaced?

Do you have just a trace of oil or is there lots of it?

Hello
1.Torque applied to the head gasket with a dynamometric tool.
2.I will flush the water/coolant several times to see
if it is residual. I noticed a crack in the water
pump body on the side.
3.The lowest gaskets in the engine oil "pan" are leaking
and look like they need a replacement
Is there any chemical treatment for possible cracks
in the engine any recommended sealant ?


Michael

The quantity of oil seemed to be getting
less to a certain point as if there was a source
of it. I will however drain it thoroughly to see
how it is this time.
Michael

Mercedes sell an alkaline cleaning compound (p/n 001 986 21 71) that should be used to flush oil from the cooling system. I think a 3% solution is recommended running the engine for at least 10 minutes with the heater on before flushing with clear water.

My dealer did this several times for half an hour when they did mine.

See what Benzmac had to say in this thread

http://www.peachparts.com/shopforum/showthread.php?threadid=59760&highlight=flush