Re: TOY: Temp help part 2

[Karl Bellve <Karl.Bellve@xxxxxxxxxxxx>]

The 22RE seems to have a design problem that the dual thermostats solve. 

That dual thermostat worked for me and solved all my cooling problems.
It is OEM designed for the temperature overshoot problems on 22R motors.


Scott Muir wrote:
> 
> Sean Flynn:
> >> > start to flow to the rad.  Since this happened on 3 different
> thermostats
> >> > now, I can't believe I'm _THAT_ unlucky.
> >>
> >> Sounds like the classic temperature overshoot problem:
> >>      http://4crawler.cruiserpages.com/4x4/CheapTricks/index.shtml#Thermostat
> >
> >  Thanks, Roger!  Sounds like that could be the issue - this really only
> >started showing up as the days got colder.  Grrrr so you proved me wrong,
> >I _can_ be that unlucky with thermostats. :)  Never heard of those 2 stage
> >t-stats before but they sounds pretty neat.
> 
> Sounds like the classic, fix the symptom not the cause.  *I* really doubt
> that you are 3 times unlucky with the stat's.  I would like to know if you
> bought OEM stats?  More possible causes: impeller not pumping enough, fan
> clutch not working properly, blockage somewhere, or my personal favourite,
> exhaust gas sneaking past the spark plugs. I suppose the same thing could
> happen if the exhaust manifold was leaking.  Its also possible that the
> sender is the problem and you have no overheating issue at all.  When you
> took the rad cap off as you described, what happened? did you get the
> coolant spraying out the neck, or was the system not under pressure?  When
> you check the fluid level after the system has cooled, is it still full?
> 
> S.
> 
> 4x4Wire.com Toyota Section http://www.4x4wire.com/toyota/

-- 
Cheers,



Karl Bellve, Ph.D.                   ICQ # 13956200
Biomedical Imaging Group             TLCA# 7938 		
University of Massachusetts
Email: Karl.Bellve@umassmed.edu
Phone: (508) 856-6514
Fax:   (508) 856-1840
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