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How do I go about removing this oil pressure relief valve located inside the oil pump? I see that it says 13/16, but 13/16 of what tool? It's just smooth and round...nothing to grab onto. Thanks!
What year truck and engine is that for? I did my relief valve on my 5.4 3v, but I can't remember exactly how. I did get that open and basically just sqitch a spring though.
Your photo shows this to be "staked" in place. Assuming it needs to come out the "staking" will need to be removed. Is it under spring pressure such that when staking is removed it will release itself?