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Discussion Starter · #1 ·
So I have this pitbull compression tester

One of the adapters screws into the plug hole just fine, but when I connect it to the rest of the gauge it doesn't seem to fit right. It all goes together, but I noticed when I crank my motor, there sounds like air leaking from it. Also, the gauge doesn't seem to hold any pressure so I don't need to use the air pressure release on the gauge.

Should I hear a leak or is it busted?

Thx and sorry for the noob question. I've actually done this on a car, but I never needed an adapter for it.
 

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You've got an air leak on it somewhere. It should hold pressure, indicated on the gauge, and then be released when you desire by the valve..

Could be as simple as a nicked o-ring??

GB :mrgreen:
 

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Discussion Starter · #3 ·
Yea that's what I thought. Mayne I messed up putting all the adapter parts together. I'll try again or borrow someones.

Thx.
 

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Inspect any o-rings very closely and if all else fails you may get by with using some Teflon tape on the threads?? I can't see your particular set so this is all an educated guess on my part..

Any slight nick in an o-ring will be enough to make it leak sometimes..

GB :mrgreen:
 

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Discussion Starter · #5 ·
It's hard to see, but that first sentence in my initial post has a link to the compression tester I have.

Thx again, I'll check it and post back.
 

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Discussion Starter · #6 ·
yea the couplers were busted. They basically do not fit together properly. I wish I could return this defective pos, but I bought it awhile ago. I picked up a rubber wire grommet and I think I got it to create an air tight seal when I connect the couplers together.

I knew this damn thing was too cheap to be any good.
 
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