Problems/Service/Maintenance Do you have problems with your new 2.0, 2.2, or 2.4L? What kind of service did you have done?

Lost almost all boost

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Old 10-31-2012, 03:51 PM
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Lost almost all boost

I just got my car up and running after changing my alternator and i have lost all my boost. If im lucky i can get its up to 10kpa when i usually run around 16-17lb i really dont know what could be the probleme i feel like im driving a regular 2.0 car
Old 10-31-2012, 04:05 PM
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Possibly bumped the hot/coldside pipes?! Honestly, just perform a boost leak test.
Old 10-31-2012, 05:15 PM
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It would help to know if you have a sc or tc. If its an sc maybe your belt is slipping
Old 10-31-2012, 05:19 PM
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How do i do a boost leak test?
Old 10-31-2012, 05:31 PM
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Its a 05 sc modele and i dont see any sign of the belt slipping
Old 10-31-2012, 05:37 PM
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Did you do the alternator install yourself?
Old 10-31-2012, 06:05 PM
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Yes i did
Old 11-01-2012, 02:15 PM
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Any funky sounds on acceleration? Is the belt routed the right way? Tightened enough?
Old 11-01-2012, 02:48 PM
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I was thinking the same thing. Is the SC pulley spinning?
Old 11-01-2012, 03:06 PM
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Did you install the belt 100% correctly? Maybe you routed it wrong somewhere
Old 11-01-2012, 03:14 PM
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The garage put my belt back i was having trouble with it but yea my sc pulley is turning the belt is the same as the diagram and its not sliding my supercharger still goes on i just barely get any boost from it
Old 11-02-2012, 02:25 AM
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Finally i think my bypass valve is getting old i played with the spring abit and i had boost till it shut back into place so im guessin ill have to either replace it or lube it
Old 11-02-2012, 11:26 AM
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Um 10Kpa is more like 1.4psi not 16 or 17
Old 11-02-2012, 03:32 PM
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I know i regularly run 17-16 psi but right now all i run is 10kpa
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