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  1. 97 5.7 steady knock under truck not changing with rpms

    Chevy C/K Truck Forum
    Son (19) pulled up today and I heard it. Its coming from beneath the truck and seems like around the bell housing or oil pan or trans pan. In that area. The sound also could seem like its traveling thru driveshaft and seem like its coming from rear of truck. But, as you move toward front its...
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