Tan foam in oil on dipstick. Edit: I had a brain fart on this one. Blue exhaust, as JSGAuto has reminded me, is really bad news.Blue exhaust smoke.Again. no.
Fluffy white exhaust.
Coolant loss with no indication of any leaks.
Severe temperature fluctuations (could indicate a t-stat failure).
Murky look to coolant.
I'm sure there are many other shade-tree ideas to add.
Originally posted by cougar 3.8 would the whole dipstick have a tan color or part's of it .
It's a tan foam on the top. You should see a definate difference between the oil and foam. That's only if the gasket is broken between the water jacket and oil "whateverthehelltheircalled" tubes. It's more likely that the gasket will break between combustion chamber and water jacket, which equates to white exhaust smoke and air in the colling system.