RE: [T3] Thermostat Help

[Jim Adney <jadney@vwtype3.org>]

On 26 Apr 2002, at 9:51, Jaranson, John (J.W.) wrote:

> (Note, that the fan housing is different from 6V to 12V however so get the
> right one for your application if you are buying a complete fna housing with
> flaps.) 

While it's clear that there were 2 different generator diameters, I don't think 
the diameter change simply happened with the voltage change. Seems to 
me that there are 3 different generators, 2 sizes of one voltage and 1 of the 
other voltage. I can never remember the exact order in which this occurred.  

> I am going to be pulling the engine from the Square this weekend to retorque
> everything. 

I've never bothered with retorquing and never had any regrets. I don't think 
that VW ever recommended it either, but I seem to recall Russ mentioning 
that they commonly did it, at least at his dealership.  

My feeling all along is that retorquing was required for certain kinds of head 
gaskets which crush and take a set, but that, since our cars do not use any 
gasket there, there is no gasket to crush. This only works if the sealing 
surface on both the head and the case has been machined flat and smooth, 
otherwise there may be enough pressure (force spread over a smaller than 
expected area) to deform the metal.   

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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