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    99 obs ac only works while at idle?

    Update, finally had time to do it Sunday, evac the system, I had about 32oz in it, so I was low about 4oz. After swapping the orfice tube, I vacuumed the system, and it held, so I filled it. I think what I did wrong the first time is that I didn't purge the yellow line after taking it off the...
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    99 obs ac only works while at idle?

    The cycling switch, and low pressure switch are original, everything else is new, evap core, condenser, dryer/acuu, compressor and all the lines and high pressure cut off switch. I pulled vacuum for 2 hours and then I charged it with freon. The compressor came prefilled. As the system was dry...
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    99 obs ac only works while at idle?

    Here's a quick video
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    99 obs ac only works while at idle?

    Bump?
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    99 c2500 crew cab short bed Fuel tank swap or aftermarket xl tank?

    Plug and play with some modifications to the wiring harness? Will likely splice the old one with the new one with the lq4 ecm/ harness. Is lextech still active? I was watching some YouTube videos and he is usually mentioned as a source of good information
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    99 c2500 crew cab short bed Fuel tank swap or aftermarket xl tank?

    With the goal of trying to fill once a week an aux tank with a transfer pump would probably be best. I drive about 200 to 1000 miles a week, which is why I'm looking for new cloth bucket seats or the 60/40 with a center console. And when this 5.7 vortec quits I'm about 90% sure im going to swap...
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    99 c2500 crew cab short bed Fuel tank swap or aftermarket xl tank?

    Aux tank is an option, just a bit more expensive. Its is less work though. And yeah I know about the seats, im gonna wrap the bench and put it in storage. Its in really good shape.
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    99 c2500 crew cab short bed Fuel tank swap or aftermarket xl tank?

    Its got the short bed, I was hoping because it was a crew cab it used the same chassis as the long bed single cab. I was going to head to the pick n pull Saturday and take some measurements, I'm also hunting for new comfy cloth seats. Ive got the bench and its killing my back.
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    99 c2500 crew cab short bed Fuel tank swap or aftermarket xl tank?

    I have a 99 c2500, 4 door crew cab 2wd with a 26 gallon tank. Ive been looking on this forum and Google about swapping to the 34 gallon tank, or if there is a larger aftermarket tank that bolts in. I can't find anything, any information would be much appreciated.
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    99 obs ac only works while at idle?

    I recently replaced my entire ac system, followed the fsm that I found on this site, the compressor came prefilled and sealed with oem oil. Its been working great for about 3 weeks, last night and this morning the ac will only blow cold when I'm at idle, if I get on the highway it blows warm...

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