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I can't go along on this one. Gonna get my truck put back together. If you have problems, let me know.

When I met Larry @ the BMV and he asked me about that truck, I said I could have it sold with one phone call. Well, it was one text and a phone call.:p

Look real close at the end of the cooler element. There is a small dot on one end. Line that dot up with the arrow/slash mark located on the element housing.

Yes it sure was leaking. I have never been so glad to see something leak in all my life!!!! All of the new parts showed up today. Gonna re-assemble it and start the flushing.

It was leaking at a solder joint. I could repair it, (even block off the bad tube) but I just don't trust it. I got a new one for piece of mind. The new unit looks far more better built, especially the ends.

I ordered everything to re-assemble. Was very reasonable.

I should have mentioned that my 932 spewed choclate milk out of the coolant reservoir last week. That led to the removal of the oil cooler for investigation.

Necessity is the mother of invention. I just had to know if it was the culprit or not. I cannot take full credit for this set-up. Mike Evens (aka The Wizzard) searched his garage high and low to find something to get it sealed.

more pics

Here is how we tested a 939 series NHC 250 oil cooler. Utilized two 4" schedule 40 plugs, one of which was outfitted with a threaded steel valve stem. To get the plugs to seal, we used a rubber gasket from a shower enclosure floor drain in one end and a seal (which had a handy skirt) from a fuel...