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Old 07-03-2009, 08:54 PM   #1
*6STARS*
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Member#: 205327
Join Date: Mar 2009
Chapter/Region: SWIC
Location: New Mexico
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2006 WRX TR
1970 Camaro

Default Boost leak

Ok so I have what is probably considered a stupid question. I have a boost leak and can't track the dam thing down. Is there a common spot that the TMIC's and other boost pipes leak. The TMIC is an Ebay unit and the TMIC to TB boot is factory. I have not actually checked the TMIC for a leak but it checks out fine visually. any help is appreciated I cant stand not making full boost.
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Old 07-03-2009, 09:53 PM   #2
KP
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did you check the Y pipe? And did you reuse your stock Y pipe?
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Old 07-03-2009, 10:51 PM   #3
*6STARS*
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1970 Camaro

Default

Quote:
Originally Posted by Kylepope519 View Post
did you check the Y pipe? And did you reuse your stock Y pipe?

ya the 4 bolts are tight and so is the 3 hose clamps that are on there and they are the good clamps. no I did not reuse the stock y pipe. How do you guys if you have build an intercooler pressure checker?
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Old 07-03-2009, 11:03 PM   #4
DrD
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So how does the y-pipe connect to the ebay tmic? Are there bolt-on elbows as found on the OEM one? Maybe check those (where they attach to the tmic) as well as where the diverter valve connects to the tmic - maybe the gaskets are broken/damaged? Double check the coupler between the tmic and throttle body and make sure that's sealing properly, too.

there are instructions for a DIY boost leak checker on scoobymods (probably on here as well if you search)
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Old 07-03-2009, 11:19 PM   #5
*6STARS*
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Member#: 205327
Join Date: Mar 2009
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Location: New Mexico
Vehicle:
2006 WRX TR
1970 Camaro

Default

Quote:
Originally Posted by DrD View Post
So how does the y-pipe connect to the ebay tmic? Are there bolt-on elbows as found on the OEM one? Maybe check those (where they attach to the tmic) as well as where the diverter valve connects to the tmic - maybe the gaskets are broken/damaged? Double check the coupler between the tmic and throttle body and make sure that's sealing properly, too.

there are instructions for a DIY boost leak checker on scoobymods (probably on here as well if you search)

yes they are bolt on elbows, checked them. The gasket between the TMIC and the factory BOV is cork and RTVed caused It leaked on me when I got it but I had it sealed for the longest time and I did TGV's last wekend and now I am making 3#'s less boost than I was before. TGV's are tight I torqued them to factory specs. Also when I shift when in boost I hear a buzz/squeek sound ( the sound is very hard to describe). I also did an APS turbo inlet at the same time. I am just super confused. sorry if none of this is very well put together I am really tired and stressed out with the situation.
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Old 07-04-2009, 01:08 AM   #6
gormonk
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take dish soap and pout it around all the connector and take a spin around the block. dont water it down any. that way it will stick better. then just look for the bubbles
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Old 07-04-2009, 08:46 PM   #7
KP
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Bump for an update?
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Old 07-04-2009, 09:05 PM   #8
*6STARS*
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2006 WRX TR
1970 Camaro

Default

I am out of town as of the moment so I have not been able to check it out. I am thinking that when I did the TGV's I put a small kink in the BOV recirculation hose where it connects to the APS turbo inlet and maybe the air can't make it around the bend fast enough and builds to much pressure and blew out the BOV to TMIC gasket. I would think I would then get compressor surge too if that happened. The kink is really small but maybe that is what is happening. Is there a common spot Subarus leak boost with a TMIC?
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