This site was very helpful with getting my fuel pump rebuilt and working great, so maybe someone knows about the water pump too!
Long story short, I shredded an impeller vane, stopped pumping water. I dug all the rubber bits out of the hoses and transmission cooler, then replaced the impeller. Still not sucking water up. I’m thinking the seal around the shaft is bad. I took the pump halfway apart before realizing there is very little info on this pump model. I found a replacement front seal for 15$ on ebay, but have no idea how to replace.
Anyone have any experience with this?

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Are you sure the inlet is clear and airtight. If it is not sucking water, it will also shred impellers quickly. There are a lot of exploded parts diagrams and info on the Sherwood site.

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