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Re: testing an oil cooler

To: <>
Subject: Re: testing an oil cooler
From: "Eric J Russell" <>
Date: Mon, 25 Jul 2005 10:08:57 -0400
----- Original Message ----- 

> Date: Sun, 24 Jul 2005 07:40:45 -0400
> From:
> Subject: testing an oil cooler
> I inherited (from a salvage 1971 B) an oil cooler which would be useful on 
> my
> oil cooler absent '76B. I am loath to just install it without checking its
> integrity. My question...How do I check the oil cooler radiator for leaks, 
> for
> blockage, etc?

An easy way to test for leaks is to use a bicycle tire's inner tube. Cut the 
tube and attach the cut ends to the cooler's in/out ports. Apply some air 
pressure via the tube's valve stem then dunk the item into a bucket of water 
(kid's pool works good for larger items like a radiator). The inner tube 
gives you a supply of air pressure while you search for tell-tale bubbles.

For a used oil cooler, I'd suggest flushing with solvent before use and then 
changing the engine's oil & filter after a short drive (say 100 miles).

Eric Russell
STOC #2860
Mebane, NC

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