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Old 07-17-2010, 11:14 PM   #11
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Re: Need help with AC

This is a sealed unit. I've been told it would cost more to recharge than its worth. Anyone had this done? How expensive is it.

Please excuse my typing. I'm on my blackberry. Lol
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Old 07-18-2010, 01:00 PM   #12
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Re: Need help with AC

I did some research into my bus this last couple days. got it inside so i can work on it again lol. I got a bus similar to Sdwarf's. on my dash was "do not use dash air without rear air or blow off may occur". I have a skirt mount condenser like his to but only a 2 fan. I need to get it cleaned out in the worst way to! I found out the hoses come up into the bus body just behind the drivers seat on the angle then go up to the top of the bus and run along the angled part at the roof and go to the AC in the rear.

anyhow, does anyone know how to tell if these systems are charged etc?

hmm as for control panel mine just has a rocker on the dash that leads to the circuit box above the drivers seat that runs a relay to start the rear AC. I dunno if the dash has to be on at the same time.. I assume it does to run the AC pump but i havent confirmed that.
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Old 07-18-2010, 08:05 PM   #13
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Re: Need help with AC

Quote:
Originally Posted by Stuff
I did some research into my bus this last couple days. got it inside so i can work on it again lol. I got a bus similar to Sdwarf's. on my dash was "do not use dash air without rear air or blow off may occur". I have a skirt mount condenser like his to but only a 2 fan. I need to get it cleaned out in the worst way to! I found out the hoses come up into the bus body just behind the drivers seat on the angle then go up to the top of the bus and run along the angled part at the roof and go to the AC in the rear.

anyhow, does anyone know how to tell if these systems are charged etc?

hmm as for control panel mine just has a rocker on the dash that leads to the circuit box above the drivers seat that runs a relay to start the rear AC. I dunno if the dash has to be on at the same time.. I assume it does to run the AC pump but i havent confirmed that.
Yea-we got the same arrangement. The 2 ports to test are up under the hood. The coach builder just chucked the stock hoses + made their own. The parts are out there to turn it back to front only. (I'm hoping! ) I picked up some hoses off a 99 diesel. MIne still has the stocker condeser up front of the radiator-never hooked up.
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Old 07-18-2010, 10:37 PM   #14
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Re: Need help with AC

ill have to take a good look under the hood and stuff while it is inside to see if mine is like that to.

I assume they used the factory AC pump though?
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Old 07-19-2010, 05:27 AM   #15
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Re: Need help with AC

Mine has a control panel mounted on engine cover full of toggle switches. It controls all interior lights, door, and rear heat and air. I wish I had a owners Manual or better yet a service manual.
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Old 07-19-2010, 04:44 PM   #16
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Re: Need help with AC

Carrier has manuals and parts lists on the internet at www. transportaircon. carrier.com. The telephone help line is just an answering machine though. You probably have a split system in bus. Gen 1-5. The front , at least on my bus is an add on, but carrier has no parts or records of add ons in front, even though I had a model number of 442 in dash. My gmc dealer says its not gm anyway. Attempting to get my air going. 134 was stuck at dryer. So had to open up system and am attempting to find new dryer and expansion valves. Found dryer on ebay and back exp valve at napa. Front system has been a challenge but think Napa finally found it. Mine was standard and most today are metric. Hasn't cost a fortune yet.
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Old 07-20-2010, 12:41 AM   #17
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Re: Need help with AC

took a look at mine quickly this morning when i was at the shop. the compressor is factory but the lines come up from the back, into the pump, and go back under again. So i guess thats why they say to use both at the same time.
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