So am I correct in understanding that the TK valve is to rectify a
seal problem in the vent. box & if you don't have this problem, you
don't need one?

Tom B.-Carl, The Gr. Pyr. appreciates cold air or none at all down
there.

On Aug 1, 2007, at 1:37 PM, Bob Stevens wrote:

> "Rocket",
> Take the glove box off and up on the left you will see 2 heater
> hoses. Pinch off (I used small vice-grips) about 5" apart, cut a
> 2"-3" section of the lower (closest, easiest to work with) hose
> out, insert the TK valve, tighten the stainless clamps, put the
> glove box back on and yur good to go.
> Catch the 2 tablespoons full of coolant in a rag or something. I
> put a large tarp on the floor and it worked well ... kind like a
> big "pan".
> Oh, by the way, be sure the yellow valve is in the closed position
> before putting the glove box back on.
>
> This is the easiest way to access and turn the valve back to open
> without getting on your back, under the van.
>
> Mine works wonderfully! ;>)
>
> Bob
> '87 Syncro Westy ... mit muchas cooler feets.> > On 8/1/2007 10:43
> AM Tom Buese wrote:> > > I may be deluding myself, but> > Are you
> closing the heater levers in the proper Rubik's combination so> >
> that there is no heat coming out, but only nice fresh air?> >
> Howdy, Tom. Yep, second valve from the top all the way to the left
> is> meant to turn off hot water to the heater core. Can't tell for
> sure if> it does what it is supposed to do, fully, but I do know
> that my toes get> baked on a hot day. The ventilation box thing has
> funky seals and the> air can't be shut off all the way, either, so
> that may be part of my> trouble, too. However, removing the dash is
> the way to get to that> thing. Removing the dash is also, I am
> told, a miserable job.
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