"While I'm there" question
 

Hello Everyone,

I'm in the process of replacing my clutch along with some other things.

I have few questions for you.

The thermal switch behind the throttle body, PN 930-207-231-00, what is its purpose? What's its function? And should I replace it?

Also, the triangle of death... there are no leaks there, but should I replace the gaskets anyways? Or should I go with "if its not broke, don't fix it" ?

Let me know your thoughts.
http://forums.pelicanparts.com/uploa...1455726364.jpg

I did when I did my FI refresh 2 years ago. What the heck, it not expensive and "while your in there". Also did the rubber vac lines as well and the TB O ring too.

Does it connect to a vacuum line that runs up to the oil tank vent valve? See recent post "Can this valve be bypassed?".

No.
One hose connected to the thermo valve loops back to the rear of the throttle body and the other connects to the vacuum for the fuel regulator and dampener.

Are you sure? Looks like the schematic you posted may be missing some info? See below....of course this is for an 87-89....

http://forums.pelicanparts.com/uploa...1455729068.jpg