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Old 05-10-2012, 11:39 AM   #1
Scooby Newbie
Member#: 319724
Join Date: May 2012
Chapter/Region: SCIC
Location: Los Angeles, CA.
06 Impreza STI

Default Help with turbo problem

So in the past couple of weeks my 06 impreza sti has been acting up, when starting my car and starting to drive I would notice the turbo not spooling or making any turbo noise and I would look at my gauge and confirm the turbo not making any boost and after a block or so it would start spooling (I can here it and notice the boost on the gauge), this went on for a few days and now it's not working at all it just doesn't spool no matter how long I drive around. Another thing I noticed is that I could hear a kind of humming sound that would go up and down with the spooling speed, not sure what could cause this. My only guess is that there must be something jamming the exhaust turbine and this was causing it to get stock and suddenly work sometimes, this kind of makes sense because some months ago my Air fuel sensor went bad and when i removed it to be replaced the tip was missing and I know it cant just disappear so I was thinking that maybe its floating around inside the turbo giving me this problem. Anyway I'm preparing for the worst so I need instructions on how to remove the turbo. I have an aftermarket down pipe and up pipe, and I can remove them easily but when I look at the turbo itself just disconnecting the turbo intake inlet seems like a nightmare. Help with this issue and instructions on how to remove the turbo would be appreciated.
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