Want to make a recirculate switch.....

Slimdude85 · Mar 4, 2014

Ok, I know what parts I need to make my own air recirculate switch for the hvac system ( vacuum toggle, vacuum line, maybe a tee/y). All I need is a diagram of the back of the hvac control and where each of the nipples goes to. I assume the nipples on the back correlate with where the knob us located, but assuming has gotten me into some deep $*** before. Nothing like driving by a sewage treatment plant with the heat on high, and not being able to preemptively turn on the recirc.

highspeed · Mar 4, 2014

Really?

Hypoid · Mar 4, 2014

highspeed said:
Really?

Why not?

I put my HVAC to max cool, to help the cabin warm up faster. My AC has not blown cold air for quite a few years. If I get the AC fixed, I lose that benefit.

the_weirdo · Mar 4, 2014

Hypoid said:
Why not?

I put my HVAC to max cool, to help the cabin warm up faster. My AC has not blown cold air for quite a few years. If I get the AC fixed, I lose that benefit.

I don't think you lose that benefit. Max AC is hot when turned to hot...just like the defroster which also turns on the AC compressor.

OP should just flip it to max AC.

Slimdude85 · Mar 5, 2014

Running the ac turns on the compressor which, in turn, puts more load on the engine, thus using more fuel. Not to mention the fact that when max ac is turned on, temps are cooler. Not really optimal with as hard a winter as we've been having.

whitexj98 · Mar 5, 2014

What If you put a toggle switch inline with the a/c pressure switch, flip switch to open so a/c can't come on and put it to max cool.

DrMoab · Mar 5, 2014

Slimdude85 said:
Running the ac turns on the compressor which, in turn, puts more load on the engine, thus using more fuel. Not to mention the fact that when max ac is turned on, temps are cooler. Not really optimal with as hard a winter as we've been having.

You'll spend more in parts than you'll save in fuel.

markaboo929 · Mar 5, 2014

Just un plug the compressor under the hood.

Want to make a recirculate switch.....

Slimdude85

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highspeed

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Hypoid

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the_weirdo

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Slimdude85

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whitexj98

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DrMoab

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markaboo929

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