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Boost leak #453529
July 25, 2017 01:56 am UTC
July 25, 2017 01:56 am UTC
Joined: Jul 2005
Posts: 1,314
Sudbury, Ontario
Ian Burnside Offline OP
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Ian Burnside  Offline OP
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Why wont this seal? Brand new gasket in there, no gasket maker though.

[Linked Image]

Re: Boost leak [Re: Ian Burnside] #453531
July 25, 2017 12:12 pm UTC
July 25, 2017 12:12 pm UTC
Joined: Mar 2009
Posts: 3,055
Stanstead, Quebec
Jason Drew Online content
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Photobucket ruined all hopes of a solution here


1997 Eclipse GST - AWD swapped - TPC - GT Spec powered
2023 - 9.63 - 145mph
Re: Boost leak [Re: Ian Burnside] #453532
July 25, 2017 12:46 pm UTC
July 25, 2017 12:46 pm UTC
Joined: Feb 2010
Posts: 2,504
Your girlfriend's closet
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Lucian Marta Offline
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Bucket of sh!t. Fuk that site.


1993 TSi AWD
2008 Evo GSR
2011 Ralliart
2012 Ralliart
2011 RVR GT
Re: Boost leak [Re: Ian Burnside] #453535
July 25, 2017 08:20 pm UTC
July 25, 2017 08:20 pm UTC
Joined: Jul 2005
Posts: 1,314
Sudbury, Ontario
Ian Burnside Offline OP
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Perfect.

Anyways, its my BOV. Won't seal to the flange and its leaking bad.

Re: Boost leak [Re: Ian Burnside] #453536
July 25, 2017 10:22 pm UTC
July 25, 2017 10:22 pm UTC
Joined: Feb 2008
Posts: 3,438
Kitchener Ontario
Stephen Richardson Offline
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Make sure both flanges are flat. Sand them if necessary. A block sander will do the trick.

Re: Boost leak [Re: Ian Burnside] #453537
July 26, 2017 09:44 am UTC
July 26, 2017 09:44 am UTC
Joined: Oct 2010
Posts: 9,968
Caledon, Ontario, Canada
Bryan Lawrence Offline
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Caledon, Ontario, Canada
That or I just got a nice piece of flat metal and lay the sand paper on that so I have a nice even surface. Check it at all the angles with your straight edge.


"Old Blue" 91 Talon TSi AWD
"Super Enthusiast" 91 Talon TSi AWD
Checkout DSMFAQ.com!
Re: Boost leak [Re: Ian Burnside] #453538
July 26, 2017 08:59 pm UTC
July 26, 2017 08:59 pm UTC
Joined: Apr 2006
Posts: 3,873
Los Angeles, California
Alex Akachinskiy Offline
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The mating surfaces are likely warped. On my 1G flange, I use RTV Silicon gasket maker together with OEM gasket and it never leaked on me. Same goes on my TB and IM.


1996 Eagle Talon TSi AWD
1999 Eclipse GST Automagic
1991 3000GT VR-4
Re: Boost leak [Re: Ian Burnside] #453544
July 28, 2017 03:24 pm UTC
July 28, 2017 03:24 pm UTC
Joined: Jul 2005
Posts: 1,314
Sudbury, Ontario
Ian Burnside Offline OP
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It never leaked with the stock 1g BOV. It's a 1g/greddy combo flange that Ziggy used to sell. I'll take it apart and clean the crap out out of it and check for it being warped.

Re: Boost leak [Re: Ian Burnside] #453545
July 28, 2017 03:42 pm UTC
July 28, 2017 03:42 pm UTC
Joined: May 2003
Posts: 7,263
Niagara Falls, Ontario
Ziggy Dietrich Offline
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Niagara Falls, Ontario
If the flange didn't leak with the stock 1g bov, my guess would be the flange is flat and your new bov is the problem...

Don't "clean the crap" out of it, as you will likely make it LESS flat than it is now. Sand LIGHTLY to check for lumps/bumps, and check flatness.


"bluebird" worlds fastest scooter ridden by me
"Whitebird" RIP
Re: Boost leak [Re: Ian Burnside] #453546
July 28, 2017 07:13 pm UTC
July 28, 2017 07:13 pm UTC
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Posts: 2,808
Ontario, Canada
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Salomon Ponte Offline
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Easy enough, get some prussian blue machinist dye and put some on one surface, then bolt them together with no gasket, no rtv, etc. Look for the high/low spots and call it a day.


'92 Talon TSi AWD - 5 Speed/E16G/12.385s @ 115.13mph
Re: Boost leak [Re: Ian Burnside] #453550
July 29, 2017 03:31 pm UTC
July 29, 2017 03:31 pm UTC
Joined: Jul 2005
Posts: 1,314
Sudbury, Ontario
Ian Burnside Offline OP
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Sudbury, Ontario
Where to buy?

Re: Boost leak [Re: Ian Burnside] #453552
July 29, 2017 07:12 pm UTC
July 29, 2017 07:12 pm UTC
Joined: May 2003
Posts: 7,263
Niagara Falls, Ontario
Ziggy Dietrich Offline
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Niagara Falls, Ontario
https://www.amazon.ca/Permatex-8003...75&sr=8-8&keywords=prussian+blue

Not sure if local Napa would have it?

Buy latex gloves and a little acid brush also. It is a bitch to wash off.


"bluebird" worlds fastest scooter ridden by me
"Whitebird" RIP

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