I seem to have a coolant leak under the exhaust manifold just below #6. Doesn't appear to be a freeze plug. Truck runs good, no smoke and no water in oil. I had it about a year and a half ago and used K&W Nanotechnology head gasket & block repair and it went away for almost 1 1/2 years. Any one else had this problem? Doesn't leak a lot but is aggravating.

 

i have this problem, i believe...but mine is a decent leak. no answer...just wanting to see what someone says.