Replacing oil pump.... should I?

[evo_ski]

This spring I am going to tackle a very large list of replacement items for my car. I am going to be pulling the motor and will 100% be doing an oil pickup tube. I have not had a history of oil pressure issues and the car runs perfect as is.

My question is this. I am at 175k right now and plan on pushing the car as long as I can go... maybe even into the 300k territory. I have no intentions of doing a crazy engine build down the road, so I won't be doing rods or anything else that would require me to pull the oil pan, and I really don't want to do it twice. Should I replace my oil pump, and the little chain tensioner for it "while I am in there", or do these oil pumps really never need to be replaced?

[Matt Devo]

Should I replace my oil pump, and the little chain tensioner for it "while I am in there", or do these oil pumps really never need to be replaced?

absolutely, it's the only potential wear/failure item down there, and an extra ~$200 or so now will save you thousands later.

[CyberPMG]

The oil pump will eventualy wear out. Mine did at 237k miles which starved the engine causing the valves to stick, wear down the cam lobes, and loose compression in 2 cylinders. I would say the oil pump is good for about 200k miles assuming proper maintenance is maintained (oil change every 5k miles w/ 100% synthetic oil). Might as well do the chain tensioner at the same time.

[VAGlover]

Without a doubt at that mileage.

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[evo_ski]

Is there a special procedure to prime the new pump? I did one on my jeep and had to use a tool to spin the pump without the engine on to prevent moving all of the engine components without lubrication.