Boost leak detector - PICS!
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Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
Yeah, its due... Better practice what I preach, eh?? 
I'll be home for 2 weeks and it nice and warm, so I'll get caught up on my PM stuff... Actually, unless something happens 
, this will be first time I've been home for AWHILE and not had major maintenance/repairs scheduled for my entire visit!! 
(last time it was R&R engine for oil pan leak)
Aw shucks Pop, that's probably WVO also.
Fleet Mechanic
Joined: Jul 2005
Posts: 1,800
Likes: 52
From: Southern Colorado
I made a boost leak detector, and installed it where the air cleaner/air box fitting would connect. Upon applying pressure, I could feel air coming out of the dipstick tube (when I pulled the dipstick). I used low pressures and could find no leaks. Is it really safe to crank it way up as massively pressurize your crankcase? It would seem like you'd immediately either blow out the dipstick or force oil past the main seals or through somewhere else. Did I connect the leak detector in the right location?
I regulated the pressure to 20psi, but the volume of air was low, so I really doubt my engine saw anywhere near that much pressure. Presumably, if you had a boost gauge, you could see the actual pressure in the intercooler/turbo hoses?
Thanks,
Steve
I regulated the pressure to 20psi, but the volume of air was low, so I really doubt my engine saw anywhere near that much pressure. Presumably, if you had a boost gauge, you could see the actual pressure in the intercooler/turbo hoses?
Thanks,
Steve
Laughing Gas
Joined: Jan 2007
Posts: 870
Likes: 9
From: Carbondale, CO
Turns out I made the mistake of hooking it up to the CCV coupler just like this. I'll try again later with the detector hooked up to the correct boot.
Next time I hooked to intake tube directly on turbo. CCV hose (no ccv mod) from valve cover was open to daylight. 10 psi from compressor and air came out ccv tube. I plugged with thumb and all went quiet, so no leaks.
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Postmaster
Joined: Apr 2012
Posts: 2,613
Likes: 8
From: North Georgia
is it normal, if the hpop drive gear cover is bent and already leaking, for all pressure during boost leak detection procedure to escape via that spot? the leak is so bad there that i cant even build up any pressure on the gague on my air regulator.
im guessing this explains my incredibly low boost and 10mpg huh?
xtof
im guessing this explains my incredibly low boost and 10mpg huh?
xtof
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