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Re: screech like a Ford 3.0 but it's a 7.3
Posted to HD/Fleet Forum on 3/24/2018


I've had several GM engines that made a similar noise, turned out to be the front crankshaft seal.

Not sure about 7.3 Fords but it might be worth putting a puller on the front balancer/pulley and pulling it out just a bit, then running the engine to ... Login to read more.