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Old 05-03-2008, 09:13 PM
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Default PCV VALVE QUESTION

Not sure how to word this but, If you have a bad PCV valve, What symptoms would you have
Haven't replaced mine in some time, Still rattles When you shake it, just wondering if it should be changed.Thanks
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Old 05-03-2008, 09:13 PM
 
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Default RE: PCV VALVE QUESTION

Still rattles...still good.
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Old 05-04-2008, 07:42 PM
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Default RE: PCV VALVE QUESTION

When I had a plugged PCV port on the TBI unit my oil pressure gage read very high and if my dipstick tube was not seated I would blow out oil through the tube. Also, the PCV valve would pop out of the valve cover. I would imagine a plugged PCV valve or hose could have the same symptoms. I did not figure out what was going on untill I bought a TBI rebuild kit and in the process of cleanig the TBI body i found that the PCV port was totally blocked. Once the TBI was cleaned and installed back on two the Vehical all was normal with the oil pressure gage, oil no longer blew out of the dipstick tube and the PCV valve stayed in the valve cover. Without a crankcase ventilation system the excess pressure will find a way out other then the PCV valve. Prior to the PCV in older cars they had just a breather cap installed on one of the valve covers.
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Old 05-04-2008, 07:42 PM
 
 
 
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1989, 97, bad, blazer, blew, chevy, clogged, cover, faulty, pcv, rattle, signs, symptoms, syptoms, tbi, valve


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