<div dir="ltr">Great, thanks Jim & Jon. I will flush mine out and get it cleaned up. <br><br>Jim: I think I already have a piece of foam from you for this purpose. I remember when I removed my oil cooler I observed that the foam was gone. Other than that, I just set the oil cooler aside. Now that I am close to reassembly, it was time for me to figure out what to do with the oily cooler.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 11, 2014 at 2:38 PM, Jim Adney <span dir="ltr"><<a href="mailto:jadney@vwtype3.org" target="_blank">jadney@vwtype3.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On 10 Nov 2014 at 22:13, Jacob Adam Schroeder wrote:<br>
<br>
> I am doing a rebuild and am curious how I should clean out my old oil<br>
> cooler or whether there is a source for new oil coolers for T3s (as there<br>
> is for Type 1s).<br>
<br>
</span>I don't think I've ever seen a source for new Type 3 coolers, but I<br>
have several good used ones here. I've never seen a bad one.<br>
<br>
I clean them in parts solvent, inside and out. I let the insides soak<br>
while I clean out the external air passages, which are always<br>
clogged, on the inlet side, with dirt and oil. Then I straighten out<br>
any bent fins, so the air gets a clean shot thru the cooler. You will<br>
always find a bunch of bent over air cooling fins on these.<br>
<br>
Once the inside has soaked, I pump parts solvent thru the cooler both<br>
forwards and backwards, to flush out anything that the soaking might<br>
have loosened up. If you have an engine that self-destructed<br>
internally, you would want to be particularly thorough about this, or<br>
just replace the cooler. I've been fortunate and never had to face<br>
that problem.<br>
<br>
Finally, the coolers originally came with a foam pad over the top.<br>
This pad sealed the gap between the top of the cooler and the<br>
underside of the tin. This keeps cooling air from leaking out without<br>
doing any cooling. Unfortunately, the OE foam pads were made up<br>
something that disintegrated in parts solvent, so the OE pads are all<br>
gone by now. The good news is that I have foam that I've cut to<br>
replace the OE pads. This foam turns out to be more durable than the<br>
OE stuff. If you look at the top of your cooler you can see the<br>
yellow/brown remains of the OE glue that held the OE foam in place.<br>
<br>
My replacement foam is cheap and I strongly recommend installing one<br>
of them any time an engine is rebuilt, unless it's already been<br>
replaced.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
*******************************<br>
Jim Adney, <a href="mailto:jadney@vwtype3.org">jadney@vwtype3.org</a><br>
Madison, Wisconsin, USA<br>
*******************************<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
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