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squeal noise from engine when under load

T

tragichip

New member
Hey, so I recently started to have an odd squel noise almost like letting the air out of a ballon. So I found metal in the super charger and replaced it and nothing. Seems as though when it squels the care has problems sucking in air. I am thinking maybe an intake gasket is letting air out or maybe even a wastegate? Some ideas to check would be great
 


On idle and start up it is fine, even revving up to 4k while in park there is nothing but once you give it lots of gas and the super whine kicks in is when I hear that squel noise
 
The DIC isn't working but would a loud squel come from a bad vacuum. Even driving it is fine unless you are asking for some power. Like I said the second the super kicks in it has a lot of trouble. Another point to mention is before this happened I could hear large amounts of air rushing into the intake, now when I give it power it almost sounds like air is pulsing in and out of the intake
 


Ok I will have to take a look, thanks for the help I will get back to you if this was the solution but other comments will be greatly appreciated
 
Mine does something like this even after my rebuild. Mine is more like a high whistlejust for like 2 sec after cold startup. Pretty sure its my iac
 
Well the cold start with a whistle I believe would just be the supercharger. Mine squeals whenever its a cold start up. Do you lose power and such to? We have it down to 3 options, vacuum leak, head gasket leak or intake leak. ripping it apart this weekend to see what's up
 
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