Quote:
Originally Posted by vstech
Welcome!
I enjoy my non turbo 5speed manual 190D. Sporty, and very miserly on fuel.
The cold pressure remaining on the cooling system is a fair sign of gasket trouble...
Not conclusive, but reasonable.
The coolant could equally be spilling out the overflow at speed from a weak fan clutch, or a dirty radiator.
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I looked at some 190s and 240s, I seem to like those more than the 300s. I usually prefer a smaller car and that is probably why I like those better.
Gasket trouble is sort of what I was leaning towards. I don't think there will be any way to know for certain that the head is cracked without removing it and having it checked. There is some slight oil moisture at the front of the cylinder head as well and I get a slight rattle or peck on cold startup that usually goes away after a little bit of driving. (Not sure if that part is normal or not)
I considered that, but you would think if that were the case the temperature gauge would run up a little higher and this one has not gone even the slightest above normal. I haven't done any hard runs or anything like that, just driving it around town at 25 to 50 mph. I do live in the mountains, so there are a few "hills" and the temperature didn't climb while going up them.