 Anyone near Bloomington? Need some help., Boost leak test anyone? |
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 Jul 23 2007, 11:27 PM
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#1
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Person of Wisdom  Group: Members Posts: 205 Joined: 12-February 04 From: Normal/Bloomington Member No.: 236  |
I seem to have a big boost leak somewhere, and its pissing me off.
I've done a test multiple times but im pretty sure my tester isn't seating well on the turbo because I can't really pressurize the system. Also, I have a tank, not a compressor type deal, so I'm getting tired of having to fill it up all the time. Most of you don't know me although I used to post when I had a blue GSX. If anyone has some free time and would like to help me, I'll drive to your place, it doesn't matter to me. I just really want to get this fixed before MOD so that my car is running nice and good. Help me out and I'll buy you some beer  . (we'll I'll pay for it, I'm only 19, lol)O and background story on the problem: Can't boost over 5psi, and thats with vacuum line hooked right up to the wastegate. so its either a leak, or the flapper. Most likely a leak. Thanks. AIM is TwistedDrum5 is anyone wants to talk. |
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Jul 24 2007, 12:07 AM
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#2
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 DSMCentral Freak Group: Members Posts: 334 Joined: 29-September 02 Member No.: 21 |
QUOTE (DSM5 @ Jul 24 2007, 05:27 AM) I seem to have a big boost leak somewhere, and its pissing me off. I've done a test multiple times but im pretty sure my tester isn't seating well on the turbo because I can't really pressurize the system. Also, I have a tank, not a compressor type deal, so I'm getting tired of having to fill it up all the time. Most of you don't know me although I used to post when I had a blue GSX. If anyone has some free time and would like to help me, I'll drive to your place, it doesn't matter to me. I just really want to get this fixed before MOD so that my car is running nice and good. Help me out and I'll buy you some beer . (we'll I'll pay for it, I'm only 19, lol)O and background story on the problem: Can't boost over 5psi, and thats with vacuum line hooked right up to the wastegate. so its either a leak, or the flapper. Most likely a leak. Thanks. AIM is TwistedDrum5 is anyone wants to talk. I had the same problem and it ended up being the wastegate was bad. I Dont own a DSM anymore, but if you still need help by the time im done moving ide be more than happy to stop by sometime and see if I can help you out. I live in Pontiac so im relatively close. -------------------- 2003 Mustang GT
2008 Harley Nightster 1990 Mustang LX 5.0 notch |
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Jul 24 2007, 12:10 AM
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#3
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Person of Wisdom Group: Members Posts: 205 Joined: 12-February 04 From: Normal/Bloomington Member No.: 236 |
QUOTE (mark95turbo @ Jul 24 2007, 12:07 AM) QUOTE (DSM5 @ Jul 24 2007, 05:27 AM) I seem to have a big boost leak somewhere, and its pissing me off. I've done a test multiple times but im pretty sure my tester isn't seating well on the turbo because I can't really pressurize the system. Also, I have a tank, not a compressor type deal, so I'm getting tired of having to fill it up all the time. Most of you don't know me although I used to post when I had a blue GSX. If anyone has some free time and would like to help me, I'll drive to your place, it doesn't matter to me. I just really want to get this fixed before MOD so that my car is running nice and good. Help me out and I'll buy you some beer . (we'll I'll pay for it, I'm only 19, lol)O and background story on the problem: Can't boost over 5psi, and thats with vacuum line hooked right up to the wastegate. so its either a leak, or the flapper. Most likely a leak. Thanks. AIM is TwistedDrum5 is anyone wants to talk. I had the same problem and it ended up being the wastegate was bad. I Dont own a DSM anymore, but if you still need help by the time im done moving ide be more than happy to stop by sometime and see if I can help you out. I live in Pontiac so im relatively close. Still got your boost leak tester lying around? lol, thats really the part I need. How could I test to see if the wastegate is bad? How did you know it was the wastegate? |
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Jul 24 2007, 02:11 PM
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#4
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Person of Wisdom Group: Members Posts: 244 Joined: 3-March 03 From: Bloomington Member No.: 97 |
If you're up for the trip i've got everything you need to diagnose a boost leak test in peoria.....
-------------------- 1990 Nissan 300ZX T
1992 Accord EX |
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Jul 24 2007, 04:00 PM
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#5
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DSMCentral Freak Group: Members Posts: 334 Joined: 29-September 02 Member No.: 21 |
No. I actually never tested for a boost leak. I had a couple extra turbos laying around so I stole the wastegae off of one of those and swapped it out. So I guess I was just lucky with my first troubleshoot.
-------------------- 2003 Mustang GT
2008 Harley Nightster 1990 Mustang LX 5.0 notch |
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Jul 24 2007, 06:29 PM
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#6
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Person of Wisdom Group: Members Posts: 205 Joined: 12-February 04 From: Normal/Bloomington Member No.: 236 |
QUOTE (Booztd 3 @ Jul 24 2007, 02:11 PM) If you're up for the trip i've got everything you need to diagnose a boost leak test in peoria..... See I wouldn't mind driving that far, the problem is, when I got there we'd have to chill for a while and let it cool down...you know how hot these girls get. |
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Jul 24 2007, 08:39 PM
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#7
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
When the wastegate is hooked directly the J-pipe it will only create 5lbs of pressure. Hook it back up to the stock boost controller and see if it helps any as far as that goes.
Make sure to have someone help you with the boost leak checks. While I can't do it myself, I'm sure someone will speak up and say so. -------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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Jul 24 2007, 11:10 PM
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#8
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Person of Wisdom Group: Members Posts: 205 Joined: 12-February 04 From: Normal/Bloomington Member No.: 236 |
QUOTE (turbohcar @ Jul 24 2007, 08:39 PM) When the wastegate is hooked directly the J-pipe it will only create 5lbs of pressure. Hook it back up to the stock boost controller and see if it helps any as far as that goes. Make sure to have someone help you with the boost leak checks. While I can't do it myself, I'm sure someone will speak up and say so. Do you know what the stock boost controller layout looks like? |
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Jul 25 2007, 08:56 PM
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#9
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
Wastegate......boost control module (L-shaped vacuum sensor w/ plug-in).....J-pipe
....... =vacuum hose -------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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Jul 26 2007, 07:17 AM
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#10
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Person of Wisdom Group: Members Posts: 205 Joined: 12-February 04 From: Normal/Bloomington Member No.: 236 |
QUOTE (turbohcar @ Jul 25 2007, 08:56 PM) Wastegate......boost control module (L-shaped vacuum sensor w/ plug-in).....J-pipe ....... =vacuum hose haha, I knew that...just didn't know which end was which on the controller |
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Jul 26 2007, 09:23 PM
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#11
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
The controller looks like this {}L with the {} being the body of the sensor and the L being the fittings for the vacuum sensor. I believe the top of the L goes to the J-pipe and the right side goes to the wastegate. I could be wrong but that's as I remember it.
-------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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