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Re: screech like a Ford 3.0 but it's a 7.3
Posted to HD/Fleet Forum on 3/25/2018 1 Reply

Check the exhaust manifolds for a leak. We just had a DT with a sound like that and have had it twice on a 6.4. On the DT a smoke test DID NOT confirm it but we could see some soot. Spraying soapy water on while running showed it right up. I would get an oil s... Login to read more.

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