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Mount Vernon, WA | I'd start by tightening the bolts, since there's no good reason for those things to be leaking in my opinion.
If you do decide that the gasket(s) need to be replaced, I would simply measure the old gaskets and replace with the same thickness. Avoid replacing the cam followers if at all possible, because then, by rights, you DO need to time it. It's a complex process if you've never done it before, and it takes some special tools to do it right.
According to Cummins QuickServe, gaskets are available in thicknesses of .007, .017, .022, & .030". | |
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