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SV: [T3] "Dark side" heater improvement


Good thinking, Ned!
This sounds like a good concept. I have dribbled with the idea using a bus
fan, too, but I got stuck with a lot of assembling problems in the engine
compartment. I was thinking of install it the way it is done on the bus and
on T4:s, to help pushing the air into the heaters when city driving.  But
there isn't  very much free space around the engine on a T3, and a lot of
innovative engineering would be needed to make everything work and fit
correctly.

As I understand it, you have put the fan under the rear seat. Clever! You
feed the fan with hot air from the pipe openings that comes from the std
heater chambers, right? Is the heating system still working in its usual
way? I mean, does the hot air pass by freely enough to do some good, even
when you don't have the fan turned on?  

/Karl-Olov Sandin
-73 squareback (and frozen toes...)
> -----Ursprungligt meddelande-----
> Frn:	ned_glenn@hotmail.com [SMTP:ned_glenn@hotmail.com]
> Skickat:	 den 12 januari 1999 17.19
> Till:	type3@vwtype3.org
> mne:	[T3] "Dark side" heater improvement
> 
> Hi everyone,
>  	On sunday I got fed up w/ my heater performance, (being that it was
> a
> beutifull 70 deg day w/ out a cloud in the sky).  I check the hoses and
> found one was defective.  I quickly replaced it w/ one from the parts
> car.  Then the dark side of the force hit me.....
> 	I lifted up the back seat, and studied the plastic heat box.  The i
> compressed it and removed the offending stock item.  Enter one T4 bus
> heater blower (purchased the day before from a local junk yard).  I took
> the blower off it's mounting bracket, and tryed to manage a good fit.
> 	Next to the hardware store to buy:  a 3" posable tin tubing, a roll
> of
> metal tape for ducting, assorted hose clamps. 
> 	Within an hour, i had an air tight fit between the blower and all
> heater tube openings. And the best part is the wiring.  The + wire from
> the blower just made it to the vacant terminal on the rear defroster
> relay, and the ground just got reattached to the relay mount.  
> 	Now When ever i need a little heat boost, I just hit the rear
> defroster
> switch.  :-)
> 
> ned glenn
> '69 square
> 
> -------------------------------------------------------------------
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