[Public-List] Bleeding the coolant system on a Universal diesel?

Wes Gardner via Public-List public-list at lists.alberg30.org
Sat Apr 2 09:18:10 PDT 2016

Oops, sorry, just saw in your post that you had checked the tstat...


> On Apr 2, 2016, at 8:36 AM, Randy Katz via Public-List <public-list at lists.alberg30.org> wrote:
> Greetings, Albergers,
> I'm in a pickle. Just replaced the new-cleaned heat exchanger (it had
> significant bits of pencil zinc after 10 years), checked the thermostat,
> refilled the coolant, started it up, and now it appears to be overheating.
> I understand that this is a very common problem and that it's necessary to
> bleed, or "burp," the system in order to get rid of air bubbles.
> Does anyone have experience doing this on a Universal diesel? (M 3-20B)
> I've tried the little bleed screw right on top of the thermostat housing,
> but that doesn't seem to work. After running for 10-15 min. I can feel the
> engine hoses, housing--all over--and nothing seems that hot. Maybe around
> the thermostat a bit.
> Some people recommend bleeding by opening the hose connection underneath
> the thermostat housing by way of burping or releasing air.
> But what the heck--it's not yet working.
> Any thoughts?
> Thanks!!!!!!!!!!!!!!!
> Randy Katz
> #249 Simple Gifts
> Everett/Seattle
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