After the problems I had with the Camshaft bearings and not wanting to be idle, started work on the oil pump.
Started by dis-assembling the pump and inspecting and measuring the tollerences. I had already bought some new bits I knew that I would need, hoping that everything else was going to be ok.
Clean up took a bit of effort, but got all the old oil off, ready for inspection.
Here’s a diagram of whats inside, with the replacement parts highlighted in yellow.
Measured the tollerences of the two gears, both between the gears and the case and also, using a straight edge across the top.
Everything was then re-assembled, and stored for later.
While at it, also cleaned up the Oil filter, and fitted new seals and new filter.
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