? reguarding spun rod bearings
07-17-2004, 04:02 PM
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TECH Apprentice
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? reguarding spun rod bearings I have an 01 Z that has the good ole piston slap but lately it seems as if I have picked up a noise between 3500-5000. I would descibe the sound as a mix of piston slap and a very light rod knock. It could very well be all piston but I was just wandering if anyone could shed a little light on this. I use Mobil1 5w30 and pressure and level seem to be fine. I did a search and have read several threads on rod bearing failures. Is this common on particular years or is it an rpm (excessive) issue. I failed to see a common factor to explain the failures. Any advice would be very appreciated.
07-17-2004, 07:02 PM
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Staging Lane
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i dont know what your noise is, but i do know that the #1 #2 and #3 reasons of rod bearing failures is due to low oil level, if is VERY easy to spin a rod bearing being even a half quart low.. i spun mine when i was a quart low..
i have found that most rod bearings that fail because of low oil are farthest away from the pump. mine was a #6 twice, once was after a shotty rebuild
i have found that most rod bearings that fail because of low oil are farthest away from the pump. mine was a #6 twice, once was after a shotty rebuild