| Forced Induction Discuss topics relating to turbochargers, superchargers, and nitrous oxide systems. |
10-27-2006, 11:54 AM
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#1
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AF Newbie
Join Date: Oct 2006
Location: san jose, California
Posts: 5
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Turbo not working today, what to do
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10-27-2006, 01:27 PM
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#2
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AF -Advisor
Join Date: Feb 2006
Location: Seattle, Washington
Posts: 1,487
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Re: Turbo not working today, what to do
either you've developed a large air leak in the system, or your turbo bearings are shot. If you have easy access to the turbo, check the shaft play and look for rub marks on compressor housing where the compressor is. It should never touch the housing, if it does, you need a rebuild.
__________________
life begins at 10psi of boost
Three turbo'd motorcycles and counting.
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10-28-2006, 04:21 AM
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#3
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AF Newbie
Join Date: Oct 2006
Location: san jose, California
Posts: 5
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Re: Turbo not working today, what to do
Quote:
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Originally Posted by UncleBob
either you've developed a large air leak in the system, or your turbo bearings are shot. If you have easy access to the turbo, check the shaft play and look for rub marks on compressor housing where the compressor is. It should never touch the housing, if it does, you need a rebuild.
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i drive a 97 gst eclipse and the trubo hold pressure and runs normal when i srart it up and continue driving, only when i have been driving is when the boost does not kick in anymore. not even to 1psi, i have a pressure guage and it shows it does not hold pressure. unless i suddendly step on the gas is when it holds a while still leaking but that happens when i drive it for a good 45 min or more. it does sound like an air leak, thats the only thing that makes sense. i have been driving the car for about three weeks and ran it for a long drive before but this is the first time it started happening. anyone heard of this thing. thanks for the advice im going to take it to the shop hopefully i wont get price raped
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10-28-2006, 09:41 PM
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#4
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AF -Advisor
Join Date: Oct 2004
Location: Fargo, North Dakota
Posts: 3,898
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Re: Turbo not working today, what to do
that's odd....at first i thought it could be that you have a boost leak, but it kind of seems like the seals might be gone...
Not to be an ass, but its a DSM....they can be fast as hell sometimes, but they will also teach you how to work on cars in a hell of a hurry because from the ones i've seen around here, they're running about as often as they're broken....
__________________
The new build is underway...
Borg Warner S256 + 9.8:1 built GSR + E85 = 450whp Daily Driver 
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10-28-2006, 11:38 PM
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#5
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AF -Advisor
Join Date: Feb 2006
Location: Seattle, Washington
Posts: 1,487
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Re: Turbo not working today, what to do
sounds like a trashed turbo to me....but the shop will tell you, I assume
__________________
life begins at 10psi of boost
Three turbo'd motorcycles and counting.
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10-29-2006, 01:33 AM
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#6
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AF Newbie
Join Date: Oct 2006
Location: san jose, California
Posts: 5
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Re: Turbo not working today, what to do
thanks guys, yah im going to get it looked at. today i drove it atleast 50 miles and it ran and boosted real good. you think it can be an electrical problem maybe ECU issues?
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10-29-2006, 03:30 AM
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#7
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AF -Advisor
Join Date: Oct 2004
Location: Fargo, North Dakota
Posts: 3,898
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Re: Turbo not working today, what to do
it could have been that the wastegate was stuck open or that the BOV stuck open as well....i've seen both scenarios
as long as it works, you're in business
__________________
The new build is underway...
Borg Warner S256 + 9.8:1 built GSR + E85 = 450whp Daily Driver
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