WTF is this rattle....!!!!!
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WTF is this rattle....!!!!!
So today when I was taking my daughter to the Dr I get in and start the car and I hear this really loud annoying rattle... so I rev the car and it seems to go away... either that or the magnaflow is louder than it is. well I get home and its still there. I checked all the clamps on the magnaflow catback and they are all tight. So I then try to track down the rattle and it sounds like its comming from something on the pass side before the Y pipe??? any Idea what this could be? oh and I checked the HPtuners to see if there was anything amiss. nothing out of the ordinary... IAT was red but thats because the car wasnt in motion and its hot as hell here lol
Last edited by Z28Camaro01; 08-03-2006 at 06:02 PM.
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I've never heard a blown cat rattle lol. but it is a pretty loud hardcore rattle. I've determined if I stick my head down near the pass side head it seems to get louder... so I'll check the heat shield, exhaust hanger and o2 sensor tomorrow... anything else I should check on that side?
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i have the same problem, we did a full header ory and catback install, i have maybe 150 miles on it and i have the same rattle on the passanger side, and it goes away when i give it gas, makes no sense to me
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Originally Posted by @nthony
its a midgit with a beer bottle cap
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So heres what I've checked so far. heat shield is in there pretty good. O2s seem to be in there pretty good too. I tightened the bolts on the Y and no change. maybe they need to be tightened more. It kinda sounds like somethings rattling around in there. could it have something to do with the A/C?
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My O2 sensors do this same thing. I know you said they are tight, but try taking them out and banging on the pipe, I bet it's dead silent. There must be something inside of the O2 sensor itself that rattles in my pipes because they are tightened down good.
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I think I've just determined its not just pipe rattle considering it gets worse at 1.5k... and eventually goes away... then unless you apply throttle very heavily... after it goes away and the cars warm I knoticed some light smoke comming from the intake mani. so I took off the lid, maf, bellows and opened the TB. theres some smoke in there. I hope a valve isnt screwed. considering anything like that on the car is all stock. I put the stock tune back in the car before I tested this.. I checked all the DTCs its pulling and its the normal AIR and the ones that come up about the computer when you have hptuners... HELP!!! please