hmmm..... .  Aren't there things that can cause overheating that would be due to a bad rebuild?  Heads badly fitted, for example.  Just wondering.  My expertise is on the low side.  mcneely

---- Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM> wrote: 
> lol..
> guess you haven't bought many used engines from junkyards.
> 
> it's a round metal glue-on thing ...silver in color .. about the size of
> a dime.
> changes to dark color in the middle if temp gets too high.
> Very common on any junkyard used engine.
> 
> so if you have a problem and say 'hey ..that engine you sold me is no
> good' ..
> and they see their ( sometimes hidden a little ) heat tab has changed
> color..
> then they cansay 'dude, you overheated it.It's not on us. "
> 
> 
> On 4/23/2013 11:24 AM, Dave Mcneely wrote:
> > What are these "melt tabs"?  mcneely
> >
> > ---- Stuart MacMillan <stuartmacm@GMAIL.COM> wrote:
> >> No doubt you are fine, those tabs melt when the engine melts down.   You probably had some boiling around the cylinders, but I don't think you caused any damage in a mile and a half.  Just fix it and run it!
> >>
> >> Stuart
> >>
> >> -----Original Message-----
> >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of william landsman
> >> Sent: Tuesday, April 23, 2013 10:45 AM
> >> To: vanagon@GERRY.VANAGON.COM
> >> Subject: Possible...Overheating
> >>
> >> Hello,
> >> Today I was out driving (about 2 miles) and my alternator froze up and the belt broke.
> >> I took off belt and did not think about the water-pump being run by the same belt, "other stuff on my mind" regardless I drove another 1.5 miles and then it hit me. Pulled over immediately and turned engine off.
> >> Engine temp was still not up to normal operating temp as I had just started driving and it is currently below freezing where I live.  The gauge was rising quickly before I shut it off in a safe location. Opened up engine compartment, I could hear water gurgling but nothing was spewing out anywhere and it had not hit a temp that caused the coolant to go from expansion tank to overflow tank.
> >> Here are my questions.
> >> 1. Have I ruined the motor...I did not see any coolant leaks anywhere.
> >> 2. What temperature do the GoWesty Melt tabs actually melt and where are they located. (Just had a new engine installed recently...) 3. If the heads fail, would they leak immediately?
> >>
> >> I will get alternator and belts replaced.
> >>
> >> 4. Is there anything I should watch out for when I do start it up next?
> >> Thanks for any advice.
> >> Regards,
> >> Bill
> >>
> >>
> >> 🎭
> > --
> > David McNeely
> >

--
David McNeely