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Oil Pump chip
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tmart
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PostPosted: Sun Oct 15, 2017 5:47 pm    Post subject: Oil Pump chip Reply with quote

I've been (slowly) tearing down my 1990 2.1 engine and just opened up the oil pump to find this:

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Is this normal? I'm assuming no, but don't understand how that would've happened. If not normal, should I replace it? Dased on the chip's location it looks like it shouldn't have much detrimental effect on pumping ability to my untrained eye.
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Sodo
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PostPosted: Sun Oct 15, 2017 8:40 pm    Post subject: Re: Oil Pump chip Reply with quote

i don't see any problems.

Please describe the chip that you are referring to. "Chip" can be a lot of things, preferably An edible scoop for homemade pico de gallo. Or a crack in a window. Cowpoop dried hard enough to burn in a fire. And , of course a missing chunk of Aluminum, which I don't see (yet). Maybe clean it up better and take a pic from another angle?
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shagginwagon83
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PostPosted: Sun Oct 15, 2017 8:55 pm    Post subject: Re: Oil Pump chip Reply with quote

I think he is referring to the figure 8 in the photos. In the middle of the eight on the left side it looks like it's been pressed in.
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DanHoug
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PostPosted: Mon Oct 16, 2017 5:51 am    Post subject: Re: Oil Pump chip Reply with quote

regardless of the 'chip'.... for $65 or less, replace the oil pump. to not do so while right there is false economy.

-dan
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Butcher
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PostPosted: Mon Oct 16, 2017 6:11 am    Post subject: Re: Oil Pump chip Reply with quote

My eyes are terrible but the lower edge of the pump bore [2nd photo] has a large gouge in it.

As mentioned earlier, I too would replace the pump. It's time for another pump to take on the chores.
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tmart
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PostPosted: Mon Oct 16, 2017 3:43 pm    Post subject: Re: Oil Pump chip Reply with quote

shagginwagon83 is referring to the chip/gouge I was talking about. I think I'll be replacing it, just wanted to be sure I didn't order a new one and find out the chip was by design.
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mackaymanx
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PostPosted: Mon Oct 16, 2017 6:58 pm    Post subject: Re: Oil Pump chip Reply with quote

If you are refering to this it is the oil relief for when the gears mesh and is factory.

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Wildthings
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PostPosted: Mon Oct 16, 2017 9:53 pm    Post subject: Re: Oil Pump chip Reply with quote

I would not replace the pump if everything is in spec as replacement pumps are somewhat of a crap shoot. You can easily clean up wear on the cover or replace use the cover. The pump needs to fit tight in the case for it to work well.
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tmart
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PostPosted: Fri Oct 27, 2017 4:16 pm    Post subject: Re: Oil Pump chip Reply with quote

I was referring to the oil relief, so I think I may stick it out with this pump after making sure it's in spec.
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