Question about Subaru Impreza WRX STi

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My 2002 Subaru WRX Turbo sat in the garage for 2 weeks while I was traveling and now the turbocharger does not kick in. The other thing I noticed and this was before the trip was that a belt seemed to be slipping as I would hear a screech when first starting the car. The screech disappeared after it was warmed up.

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  • ffcobra39 Aug 02, 2010

    Thank you. I will try what you suggest.

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Well, it could be a bunch of different things. You could have a leak in your vacuum line, or intercooler hose. Or it could be possible that your turbo is shot, though I doubt that is the problem. Your best bet would be to do a boost leak test, and that would tell you were the boost is leaking out of, if it is leaking at all.Remove the hose that connects to turbo, start the engine and put your hand to cover the inlet of turbo. It should try to **** your palm in as if creating vacuum.
If it does, then your turbo is fine.
----------- follow this procedure:
1.open the hood.
2.put the vehicle in neutral.
3.start vehicle.
4.get down and go near the hood.
5.listen very carefully at idle speed. the turbo wont be shooting up.
6.listen the sound near the turbo very carefully and get accustomed to it for a while.
7.then pull the accelerator cable with ur hand or with some hook strongly and listen to the sound.
8.if u hear that hissing sound with roar then the turbo is working or else turbo has failed.
The turbo may be spooling but the any one of the hoses going to the cooler of the the intake could have a leak or a punture. Check out.Thanks.

Posted on Aug 01, 2010

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