With pliers, grip and twist and pull the old seals offĬlean seal seats as there will be crud under them from oil and soot Take springs and keeper seats off and place in there designated holder Pull keepers keys (2 halves) with a magnet and place on a template for each valve (do not mix any parts to other valves)
Many times the valve seat will stick to the keepers and will need to be broken loose with a socket and hammer to free them (see in video) With the greased nut, tighten tool down until all the valve stem keepers are retrievable Place top of tool on springs centering over valve stems
Below is a video of replacing the valve seals on a 24 valve cummins engine.įirst get a valve compression tool that is for the 24v head.īolt base of tool to the injector hold down bolt holes snug is fine
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