NOS Dodge Chrysler Master Tech July 1976 Aspen & Volare Air Conditioning

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  1. XfbodyX

    XfbodyX Well-Known Member

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  2. XfbodyX

    XfbodyX Well-Known Member

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    I received the one I bought today and see the one left is still for sale, its the best AC related manual ive seen to date on the F-s.

    Dont see alot of difference from 76-78 ect, but im sure there is.

    Anyway, its about all one would need to work on there as system a to z.
     
  3. Aspen500

    Aspen500 Well-Known Member

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    From back when you didn't need a $10,000 A/C machine (actually 2 now, R134a and R1234f), a $10,000 scanner and 87 pages of diagnostics and wiring diagrams when the R/O says "A/C inop". Sigh...............:(
     
  4. BudW

    BudW Moderator Staff Member

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    It didn't take much equipment to work with R-12 (what FMJ's came with) and do a good to decent enough job.

    I know this is off subject, but good golly is that R-1234yf expensive stuff.
    Annotation 2020-04-08 132029.png

    This was taken from O'reilly auto parts website https://www.oreillyauto.com/shop/b/...frigerant-19048/e590df7442c1?q=yf+refrigerant
    I would guess most vehicles hold about 1½ pounds of refrigerant (20-26 oz), so that could easily be $150 just in the OTC price (2+ 12-oz cans, at $70/can).

    R-134a can still be purchased for ~$10/pound or less for a 12 oz can. $25 will fill an empty R-134a system.
    Note all costs mentioned are US.
    BudW
     
  5. Aspen500

    Aspen500 Well-Known Member

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    We haven't needed to use our R-1234f machine yet, which cost $11,000, and it needed to have 10 lbs of refrigerant put in to set it up and get it ready for when the time comes. A 10 lb cylinder wasn't $1,000 (our cost) but it was over $800. You sure don't want to do something wrong and lose any of it to the atmosphere! IIRC, R134a in a 30lb cylinder comes to around $8 a pound, give or take a little. We guard our remaining supply of R12 with laser guns, lol. Rarely, and I mean VERY rarely do we work on anything old enough to have R12 or that hasn't been converted to R134a years ago already so, the 30 lb cylinder plus what's in the recovery machine we have yet will probably last forever.:p For the cost of R12, if one of those systems needs to be opened for repair, or it leaked out, you may as well convert to R134a. Depending on the vehicle and system, the cost comes out a wash.

    The sale of 12 oz cans of R12 is illegal in Wisconsin. I wish they'd make the sale of those "A/C Pro" type products illagal too. They all have sealer in them and the sealer works really good. Seals the leaks, even the ones you want like the orifice tube or expansion valve, gums up the desiccant in the dryer, etc. and just makes a general mess of the system. Then again, I suppose you could call it job security for the professional auto techs:D
     
  6. XfbodyX

    XfbodyX Well-Known Member

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    I bought the other copy of this I posted on if anyone decides they want one also. Ive no clue why I did though. Maybe because some of the sharks want $99.
     
    Last edited: Apr 8, 2020