Compression Ignition Addict
Join Date: Mar 2011
Location: East tn
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That sweet smell would indicate there are problems at the heads. Seeing as how the egr cooler is gone. Hopefully it's just the studs not being torqued right.
the coolant being at the full mark on the bottle will puke sometimes, over that and it's pretty much guaranteed to puke. Since the bottle was replaced, it should have the new full mark which is way lower than the mark on the old bottles.
You did have the heads sent to a machine shop to be checked out didn't you? If not, one may be warped pretty good or cracked. The warping is very common, the cracking is not as common, but not very rare either.
Look up a thread about pressure testing the degass bottle, anything over 16 psi and there is a headgasket leak, pretty simple to assemble and will tell you how good or bad the leak is.
Hope that helps out somewhat.
05 f250 ( double your pleasure ) underway
'10 f250 ccsb 4x4, project super mom 366/515 compounds, 200hp sticks, and all the other goodies
Most importantly, the car seat mod