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aircon question

Tech Talk for Nissan owners.

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aircon question

Post by GQ Bear »

Got '92 tb42e and I want to get rid of aircon condensor and either convert aircon pump into compressor or get endless-air pump.

Is it ok to just undo aircon plumbing and release gas or should it be done by aircon bloke?

Also what's involved in converting pump and is endless-air a better pump?

Also, anyone got any suggestions for a new airbox as the factory ones are too damn big, leak like seives and let too much water in?


Thanks
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Post by GQ Bear »

C'mon, many of you have done it. Share your knowledge
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Post by chops »

crack the nut on the compressor/firewall fitting, and stand back and keep your hands clear

it's a no-no, but everyone does it.. you're meant to get an aircon place to de-gas your system.. but that costs
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Post by GQ Bear »

just so happens it has a loose connection ;)

any advice on converting pump to air compressor?
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Post by CB0569 »

What i did,was to drain all the oil out of the filler plug (in the body of the compressor).Once drained i put a grease nipple into the filler plug and refit the bolt.
I am now in the process of hooking up hoses and filters etc.
What i also did was the leave the original A/C compressor in position,(Good on a hot day),and put a 2nd compressor above the alternator.
BEST OF BOTH WORLDS!!!
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Post by GQ Bear »

CB0569 wrote: What i also did was the leave the original A/C compressor in position,(Good on a hot day),and put a 2nd compressor above the alternator.
BEST OF BOTH WORLDS!!!
So have you put another pully on the alternator to spin the 2nd compressor??

got any pics?
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Post by CB0569 »

I`ll get some pics for you this weekend.
I used a single pulley behind a double pulley.
I had to twist the air cleaner a little bit to clear the compressor.
I am also thinking of putting a 2nd alt there as well BUT it is all still in the design stage so it doesnt look real appealing at the moment.
I hooked some A/C hoses onto it as a trial (with a belt set up as a temporary as well) and it took about 1 to 1.5 mins to pump up a 33 Mongrel from 18psi to 44 psi
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Post by spannercrab »

2nd compressor can also be mounted below fuel injection pump from engine mount bolt and run easily with a longer belt from the P/S pump ...

do a search for "endless air" in these forums ... there have been a few recent discussions ...
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Post by GQ Bear »

spannercrab wrote:2nd compressor can also be mounted below fuel injection pump from engine mount bolt and run easily with a longer belt from the P/S pump ...

do a search for "endless air" in these forums ... there have been a few recent discussions ...
Just trying to visualise this. Wouldn't it get that full of mud and water that by the time you tried to use it the bearings were seized?
CBO569 Wrote:What i also did was the leave the original A/C compressor in position,(Good on a hot day),and put a 2nd compressor above the alternator.
BEST OF BOTH WORLDS!!!
Had another thought about this and i think i like it. Is it ok to use only one belt on alternator and use other pully to run second a/c compressor? and carry a spare belt.
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