Spun bearing?
08-09-2005, 04:52 PM
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Spun bearing? Have been having a knocking noise and really rough idle. Oil pressure is at 40 on cold start but settles to 20 after 5 minutes. sometime when under acceleration oil pressure falls. I was going to change the oil pump to cure the oil pressure problem. However, do you think the knocking is a spun bearing? Above 2500k the car seems to drive fine and can't hear knocking but oil pressure fluctuates. No knock shown on scanmaster but i did have something crazy happen to me the other day. I was in 5th gear going about 45 and gave it some gas, it bogged and got 15* of knock. I let off immediately and it went away. Should I start saving for shortblock or try oil pump first?
08-10-2005, 03:56 PM
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sounds like rod knock to me. have a vid? here is my rod knock.
http://tech.cfbinc.com/dave/valvetrain2.avi
dave
http://tech.cfbinc.com/dave/valvetrain2.avi
dave
08-10-2005, 04:05 PM
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Originally Posted by mazdized
Pull your oil filter and look for metal shaving.