adding AC Compressor.

NMB2 · Aug 16, 2009

looking to add an AC compressor to my truck, use for OBA, is it a seperate bracket or will it incorp. both the compressor and PS pump mounts into one bracket? Any pics of one?

dangerranger83 · Aug 16, 2009

There is a braket that blots to the back side of the PS braket. I took the A/C braket off my truck because the engine I put in had A/C and my truck doesnt.

Have you set up your cooling system for A/C, basiclly a dual core radiator and a suround fan shroud?

NMB2 · Aug 16, 2009

my truck has a 3core and 2400cfm electric fan. I'm not adding AC to the truck though, using OBA.

so the bracket i need will bolt onto what i have currently, correct?

dangerranger83 · Aug 16, 2009

Heres a picture of the braket.

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You said something I've never heard of. Whats OBA mean, damn do I feel stupid. You live you learn.

NMB2 · Aug 16, 2009

on board air. using the A/C compressor as a compressor to an air tank.

thanks for the picture. so basically decompress the system, cut the lines off, cut pigtail and 2 bolts and the thing is out.

dangerranger83 · Aug 17, 2009

You got it. The unpainted parts are where it was conected to the PS braket. Cant remeber if it had any other mounting locations.

NMB2 · Aug 17, 2009

there was a bit more than just that bracket but I got it figured out, and it was direct bolt in. got the bracket assy and pump for $50 from the j-yard, they pulled it for me too.

so do i need to get a new pully too? has 3 grooves in it i would assume? does the 2.9 pully fit?

dangerranger83 · Aug 18, 2009

The PS should share the same belt as the AC compressor. The grooves should line up. My 2.8 had AC and the main pulley only has 2 grooves, one for the alternator and one for PS/AC.

BTW how did you get an A/C compressor for only $50?? You took them. Keep up the pictures on how you are doing this, I'm interested in doing this in the future.

NMB2 · Aug 18, 2009

i just went to a junkyard, guy told me $15 for brackets and $45 for compressor... I offered him $50 for both and he said yes.

this is the tank i have
http://www.4x4groupbuy.com/store/performance-gallon-tank-p-9103.html

and I got a squareD ajustable pressure switch today..

now i just gotta figure out this damn compressor pully lining up.... does something look wrong in the picture i posted? perhaps i will need to put a spacer in that front bolts and move those tabs to the back of the mount, that should push it back a good 3/4"?

dangerranger83 · Aug 18, 2009

I cant remember what a 2.8 looks like with A/C, its been over a year. What did it look like coming of the donar vehicle? Hopefully the compressor works.

NMB2 · Aug 18, 2009

it was on a 2.9.....

and the compressor works, already locked the clutch and spun it.

dangerranger83 · Aug 19, 2009

You might have to make it work for you by movig it back the 3/4 of an inch. How do you lock the clutch? Have an A/C problem on a van and want to check if the compressor went bad.

NMB2 · Aug 19, 2009

i just took the two wires off of the plug and touched it to the battery positive and negative. locks the clutch.

BLUE BII · Sep 3, 2009

thats a pretty sweet idea for the OBA, might havta go see where i threw the compressors that i took off my BIIs haha

BLUE BII · Sep 3, 2009

so you can jus run the compresor to fill a tank then? Im thinkin bout figurin this out now

adding AC Compressor.

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