S2000 Under The Hood S2000 Technical and Mechanical discussions.

Spun a rod bearing..

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Old 11-11-2011, 04:40 PM
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What about the white marks like metal on metal scraping on sides of piston?
Old 12-16-2011, 12:20 PM
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Hey, you guys all say low oil pressure is bad which I agree....

But what if you are showing very low oil pressure but ONLY AT IDLE - once you get moving the oil pressure comes right back up to normal?
Old 10-09-2012, 05:29 PM
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Originally Posted by speedjunky01
Why is everyone thinking that the cel would come on when the bearing spins? There are no rod bearing sensors LOL

And if the oil light is on (below 5psi with the factory pressure switch) the engine is already screwed

The bearings are what create oil pressure, if pressure drops the bearing is already toast.

It shouldn't be called an oil indicator it should be an engine replacement indicator.
I second this, this was right on the money. Exact same thing occurred to me...I then wished there were Rod Bearing Sensors or I wished the "Low Oil" indicator actually indicated that the oil was low as opposed to indicated that I needed a new motor.
Old 10-09-2012, 05:40 PM
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P.S. Did you end up rebuilding the motor? I could use some advice, as I have a motor with a rod bearing spun laying around in my garage. Looking into rebuilding it.
Old 10-09-2012, 05:58 PM
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Ya i am rebuilding it slowly. I just started buying the oversized pistons 1 at a time i also road race motorcycles and occupies my cash i am rebuilding my car. The motor had 130,000-145,xxx miles so when i put it back together im replacing a bunch of crap as i go like bolts hoses lines pullys and bearings.
Old 11-20-2012, 01:34 PM
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jhf5000. keep posting your update. I think I have similar issue too... i video it, could you help me to identify the noise, and see was it similar to yours before? ( I pm you the link).

thanks... good luck with your rebuild.
Old 11-21-2012, 01:26 PM
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Oh wow rebuilding at 140k ish miles? Did you hone out the walls with a good shop or go with sleeves?
Old 11-21-2012, 03:41 PM
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I am getting the shop in houston to re-do the sleeves with that special silicon crap.. im buying the pistons so they can make sure the bore n hone it to the piston size and number the pistons.
Old 11-21-2012, 04:51 PM
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special silicone crap? nakasil?
Old 11-21-2012, 07:43 PM
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I swear everyone always buys a new motor when spinning a bearing as its cheaper


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