How to detect boost leak
01-23-2002, 06:52 AM
#2
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Re: How to detect boost leak (hybridrex)
Any degree of substantial boost leak will prohibit you from seeing much if any boost, that's an easy way of knowing you've got boost leak.. aside from the obvious looking at the piping.
01-23-2002, 08:13 AM
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Re: How to detect boost leak (rtype11)
hmm, what I do ? set my AVC-R at .5 bar, and check my boost gauge...
I ran my boost gauge to the intake manifold, in a way a true representation of the boost going in the engine...
stan
I ran my boost gauge to the intake manifold, in a way a true representation of the boost going in the engine...
stan
01-23-2002, 10:34 AM
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Re: How to detect boost leak (Flamenco-T)
I blew an intercooler pipe last night... driving around I would lay into it get like .3 bar and then it would go back to .2 and I couldn't build boost past it. I could hear the air blowing out of the piping!
Dustin
Dustin
01-23-2002, 05:55 PM
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Re: How to detect boost leak (dustin)
Does anyone know of a way to tell where it is, I opened the boost controller up quite a bit today, it would go up to 4 psi then drop to 2psi around 4.5k rpms or so, and I would hear a terrible rattling noise, I do not think it was detonation, as it was very loud, as where people would stop and look at my car as I pass by, and this is with the throttle wide open. Thanks for your help.
01-24-2002, 11:36 AM
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Re: How to detect boost leak (hybridrex)
I think the esiest way to detect a leak is to mix soap and water and spray it on the pipes and conections, and get a friend to rev it up look carfuly for bubles you will find any leak 
[Modified by fast[R], 8:41 PM 1/24/2002]
[Modified by fast[R], 8:41 PM 1/24/2002]
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01-24-2002, 11:41 AM
#8
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Re: How to detect boost leak (fast[R])
Just look around and rev the motor with your hand. It's not too hard, so long as you are not deaf, you should be able to focus on the point at which the sound is originating. Start with your manifold though, look for cracks.
01-24-2002, 12:36 PM
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Re: How to detect boost leak (hybridrex)
You are going to laugh at me for this but I swear it will work for you.
Get a cardboard paper tube from a roll of toilet paper or paper towels.
Get one ear-plug.
Start the car and have someone rev the engine while you plug one ear and listen through the tube pointing it at the manifold and charge piping. You will hear a hiss noise near the leak.
You will look stupid doing it, but I use this method to isolate 'ticks' in my engines and it works good.
Randy
Get a cardboard paper tube from a roll of toilet paper or paper towels.
Get one ear-plug.
Start the car and have someone rev the engine while you plug one ear and listen through the tube pointing it at the manifold and charge piping. You will hear a hiss noise near the leak.
You will look stupid doing it, but I use this method to isolate 'ticks' in my engines and it works good.
Randy
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