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engine noise

  1. General 6.4L Discussion
    Good morning everyone. I have an '08 Lariat 6.4L with 223,000+ miles on it. It seems that age is catching up to it, and I expect to be doing a lot of preventive maintenance in the near future. I am looking for any resources for recommended maintenance based on mileage, or anything that I need to...
  2. 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...