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Re: Cat 3116 oil leak (97 Chevy C5500)
Posted to HD/Fleet Forum on 1/24/2013

The block off plate is an oil gallery port,the plate takes a o-ring from your local CAT parts dealer part#[...] rocker boxes would have to be removed to replace the [...] will have to remove valve cover,rocker arms,push [...] on the rocker box bolts is 25ft/[.... Login to read more.