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  1. Turbo Whine/Squeal

    6.0L Problems Forum
    Recently got my truck back from Ford after doing a head replacement, and now it has a weird whine/squeal sound coming from under the hood. It is louder when the truck is cold and actually traveling down the road. It does not make the sound at idle. Seems like once the truck warms up, the...
  2. No boost and buzzing noise after head gaskets?

    6.0 Motor problems
    Ok. So last night I FINALLY finished putting my truck back together. Long story short, I had a #3 balance fault that ended up being a smoked piston. SO, while I had it torn down that far I figure I'd start the bullet-proofing. ARP head studs, EGR delete and a 4" turbo back straight pipe...
  3. High pitch whistle when starting '06 F350 and now check engine light??

    Diesel Diagnostics
    For the past 2 weeks I have been hearing a high pitch whistle about 2 seconds after I start the engine and it only lasts for like 2 seconds. It doesn't sound like a squeaky belt, but I am no mechanic. I live in So Cal so its not like its cold outside when I start it up. It doesn't feel like the...
  4. LOUD SCREECH right after start up then goes away

    General 6.4L Discussion
    when i start my f250 it makes this super loud high pitch squeal from 2-10 seconds and then goes away. i would not have realized anything if it wasent making a noise cause everything seems ok but it only does it some times. thanks so much for any help or input!!!!!
  5. LOUD SCREECH right after start up then goes away

    6.4 Motor Problems
    when i start my f250 it makes this super loud high pitch squeal from 2-10 seconds and then goes away. i would not have realized anything if it wasent making a noise cause everything seems ok but it only does it some times. thanks so much for any help or input!!!!!
  6. Serpentine Belt Chirp/Squeal/Squeak Help!

    99-03 7.3L General Discussion
    Tried searching, but didn't come across another post that looked similar to what I'm experiencing... I just replaced my waterpump, and I know have a squeal/squeak/chirp coming from the serpentine belt. It's not very loud like a true fan belt squeal sound that you hear on poorly maintained...
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