Re: TOY: Temp help part 2

[Roger Brown <r.c.brown@xxxxxxxx>]

> > "Why 2 numbers? The first is what I found in an old e-mail I had saved
> > and was the p/n I ordered at my local Toyota dealer in 1998. Later,
> > someone send me the 2nd number given to them by a Toyota parts counter.
> > My guess is the older p/n was superseded by the new p/n, apparently both
> > fit the thermostat housing, both open at 88°C, if it looks like a duck
> > and sounds like a duck, its a duck!"
> 
>   I think there is some difference between them.  I went to my local
> dealership and asked for the dual stage tstat and they looked sorta blank
> and said he thought there was only one tstat listed for my engine.  
> Looked it up and he got that -03078 number ($11cdn)  Asked him about the
> - -03070 number and it wasn't listed there for my truck or a few other 22re
> engines he looked up.  Then he searched for the part number and found it
> but with no reference as to what it was for.  Said it probably came in
> because of a service bulletin and that was why there wasn't a description.  
> It was $26cdn.  Since I saw a few people on the list mention that the
> 03070 part worked for them, and it was more expensive (so logically more
> complicated... say like a dual stage) I went with it.  I find out on
> Tuesday whether I was right or not.  I'll let everyone know.

The 2nd number I have listed is (as I mentioned) one that someone sent
to me after saying the 1st number wasn't available. Later someone else
informed me the 2nd number was the normal single stage thermostat.  This
seems to match your experience.  Hopefully the dual t-stat is still
available, I want to pick up one or two for spares.  When I got mine, I
just went and asked for the part by number, it was special ordered and I
picked it up in a few days.

As far as the temp overshoot problem, if someone has an Alldata
subscription, why not look up this TSB for us:

93. 029032787      MAR 87       22R-E Engine Temperature Overshoot 

See:    http://www.alldata.com/TSB/60/84601052.html