Join Date: Dec 2011
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New noise developed
I recently noticed a noise that my truck makes while under light acceleration. The best way to describe it is a low pitched flute type noise, not really a whistle. It's hard to hear unless you are listening for it on purpose. It happens above 2K RPM but goes away under WOT accel. I know that my drivers side up pipe leaks at the flex joint so I'm thinking that is probably where its coming from. If it were a head gasket, I've heard the noise is loud, more of a higher pitch, and more whistle. Probably would lose coolant as well right?
SOLD--2003 F-250 RC/LB FX4, 6.0, 5R110, EGR cooler capped off at both ends, CAT EC-1, Rotella T6, Motorcraft fuel and oil filters, Amsoil in diffs/T-case, blue spring update, ScanGuage II, 5" Diamond Eye exhaust (not cat, no muffler
) 4" downpipe, Cooper Discoverer S/T's (LT265/75R16E).