Oiler cooler PSI testing?
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Laughing Gas
Joined: Jul 2008
Posts: 772
Likes: 27
From: Brighton CO.
Oiler cooler PSI testing?
Is it possible to have the oil cooler PSI tested for leaks?
I've seen many post for people just replacing them but was wondering if they can be tested?
I've seen many post for people just replacing them but was wondering if they can be tested?
Postmaster
Joined: Apr 2012
Posts: 2,613
Likes: 8
From: North Georgia
Its easier than that.
Use a finger to block off one of the coolant passage tubes at a time and plug a mity-vac in the same tube on the other end. Draw a vacuum and watch if it leaks down. You dont need to go more than 15inches. Coolant only sees a +15 psi in a healthy motor.
Use a finger to block off one of the coolant passage tubes at a time and plug a mity-vac in the same tube on the other end. Draw a vacuum and watch if it leaks down. You dont need to go more than 15inches. Coolant only sees a +15 psi in a healthy motor.
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
I plugged the small hose with a pen and puffed the deagas bottle up with 15 PSI air on the open tube (cap still on to vent over 15 PSI). I have also used a Harbor Freight radiator tester to puff up the coolant system to 15 PSI and let it set overnight.
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