Turbo Leak
Thread Starter
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9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
Turbo Leak
I know I have a boost leak. Its not a matter of IF but WHERE and HOW BIG. My thought are BIG. I can drive down the freeway and have 4lbs of boost on my gauge.. I am 99% sure some is leaking from the IC Boots. My question is; is it possible or likely I've got a leak at the turbo somewhere? My limited knowledge of turbos doesnt provide me much help, but my gauge is tapped to where the AIH plug goes. Since that reads low boost and is before all of the IC boots (I think. again limited turbo know-how) does that mean its leaking from the turbo?
If so, what do I need to fix this?
If so, what do I need to fix this?
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
The AIH plug location is post IC. You could have a leak in any boot from turbo compressor outlet up to the AIH plug and down toward the intake plenums. Check all the boots and don't forget to check the boots between the spider and intake plenums.
Posting Guru
Joined: Jan 2007
Posts: 2,364
Likes: 3
From: Gilbert Az.
The aih is after the CAC but boost is consistent across the system as it is a closed system, density is the variable affected by lowering temperature across the CAC, so a leak at any point will show on your gauge.
Elder User
Joined: Dec 2010
Posts: 704
Likes: 1
hey i donno about my idea or not because im stupid when it comes to the hole turbo stuff but lets say this boost leak is like a tube on a motorcycle or watever what if you got a squort bottel with soap and water and squort it around the boots would that help u find the leak? um so let me know haha
Elder User
Joined: Dec 2010
Posts: 704
Likes: 1
wate wat? (see wat i mean) ha i mean the system causes preasure right is that force preasure if so then its just like a tube u squort u see bubbels u see ur leak hahaha i donno :-)
Trending Topics
Posting Guru
Joined: Jan 2007
Posts: 2,364
Likes: 3
From: Gilbert Az.
Yes exactly right the turbo is just a compressor driven by exhaust gasses instead of electricity, you got it
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Logistics Pro
Joined: May 2011
Posts: 4,832
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From: Maine
You can make a boost leak detector, just buy a 4" PVC cap, pressure gauge, and air hose fitting, tap, seal the fittings, and install in your system... presssurize to 15-20PSI, and use the soap/water method to locate the leak. (I believe if you have the stock CCV setup you have to plug it.)
Or go to diesel site and buy one.
I doubt the turbo is leaking... (could be the clamps to the turbo tho) generally if the turbo is leaking it's oil, and you'll see it out the tail pipe.
Or go to diesel site and buy one.
I doubt the turbo is leaking... (could be the clamps to the turbo tho) generally if the turbo is leaking it's oil, and you'll see it out the tail pipe.
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
I know I have a boost leak. Its not a matter of IF but WHERE and HOW BIG. My thought are BIG. I can drive down the freeway and have 4lbs of boost on my gauge.. I am 99% sure some is leaking from the IC Boots. My question is; is it possible or likely I've got a leak at the turbo somewhere? My limited knowledge of turbos doesnt provide me much help, but my gauge is tapped to where the AIH plug goes. Since that reads low boost and is before all of the IC boots (I think. again limited turbo know-how) does that mean its leaking from the turbo?
If so, what do I need to fix this?
If so, what do I need to fix this?
Good as rain now. 
Thread Starter
|
9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
You can make a boost leak detector, just buy a 4" PVC cap, pressure gauge, and air hose fitting, tap, seal the fittings, and install in your system... presssurize to 15-20PSI, and use the soap/water method to locate the leak. (I believe if you have the stock CCV setup you have to plug it.)
Or go to diesel site and buy one.
I doubt the turbo is leaking... (could be the clamps to the turbo tho) generally if the turbo is leaking it's oil, and you'll see it out the tail pipe.
Or go to diesel site and buy one.
I doubt the turbo is leaking... (could be the clamps to the turbo tho) generally if the turbo is leaking it's oil, and you'll see it out the tail pipe.
