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Re:car sounds like a lawn mower?
Originally Posted by projekteg
so are you trying to find out what the problem is and fix it? if so, how about some more details, if not, please post in the 'general discussion' forum. :P
yes, i'm trying to figure out what the problem is 'cause the noise is horrible. "details" is kind of vague - what more would you like to know? |
Re:car sounds like a lawn mower?
Originally Posted by rustdha1o
"details" is kind of vague - what more would you like to know?
Originally Posted by projekteg
look at your boost gauge, do you only hear this noise when your boost gauge hits the set psi? if so, it's your wg, if you hear it under load but before set psi, you have an exhaust leak somewhere.
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Re:car sounds like a lawn mower?
no, it does it long before i hit 8psi. so it's a leak somewhere. ok thanks
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Re:car sounds like a lawn mower?
yeah, it sounds like an exhaust leak. how long have you had your set up on? has it done this the whole time, or did it just start?
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Re:car sounds like a lawn mower?
it's been on for about a month and it's done it the whole time.
i don't see any leaks around the manifold. i'll take a closer look at the down pipe when i put it up on a lift tomorrow. i'm wondering if my wastegate is still letting exhaust go by even tho i installed the O ring that i was originally missing. |
Re:car sounds like a lawn mower?
i was going to say, did you install the o-ring ;) take all the vacuum lines off your wg, then let your car idle and feel if any exhaust is coming out of your dump tube, if not, put the lines back on and see if any exhaust is coming out of it, maybe a blown gasket somewhere? just check all your gaskets and bolts if the wg is working fine. i had a problem like this and couldn't figure it out, i finally tore the whole set up down to find the gasket between the turbo and manifold had blown out.
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Re:car sounds like a lawn mower?
well lemme ask you this: right now i have the side of the wastegate connected to the comp. housing and the top open to atmosphere. i've read that if i hook the side up to the intake manifold, it effects the wastegate (usually causing faster spooling)
i'm wondering if the wastegate is running slightly open all the time because of the vacuum source and causing it to spool really slow. i don't hit 8psi till around redline. |
Re:car sounds like a lawn mower?
alright well the o2 sensor is installed and so far the CEL is gone (knock on wood)
when i got the car up on a lift, i found the exhaust leak so that's better. |
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