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Slipping issues with recently rebuilt AOD?

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    #16
    Originally posted by gadget73 View Post
    There is a gasket that goes on the filter, without the gasket it can suck air, especially if its pointing uphill slightly. It also tends to be most stupid in low gear for whatever reason.
    Yeah, that little square gasket that many people screw up.
    What I Own: 1993 Mercury Grand Marquis GS
    What I Help Maintain: 1996 CV / 1988 CV / 1988 Tempo

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      #17
      Update: I just got the GM back, and it rides like a charm. The transmission guy said it was a bad torque converter. He replaced it and checked things out while he had it apart. I'll have to drive it again to get a feel for the shift schedule. I feel like 1st shifts out at about 15-20 and OD kicks in at about 40. Is the TV cable adjustment a preference thing or more mandatory? I don't really want to mess with it unless I have to. I asked him about it, and he said he followed the book on it and sets it based off a pressure tool if I remember him correctly.
      @Ryan.Madison68

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        #18
        40 into OD sounds like the typical factory setting under light/no throttle. Any lower than 40 under light/no throttle, I'd be concerned and would bump the pressure.

        The place Nick and I use sets the TV pressure a touch higher for firmer shifts. OD comes in smoothly under light throttle around 45. It'll give a firm clunk into OD above 40 and below 45 if you let off the accelerator. From what I've been told, the AOD will survive a bit longer with slightly higher than normal TV pressure, just the upshifts will usually have more of a "bump" to them, but not in any unpleasant way.


        My Cars:
        -1964 Comet 202 (116K Miles) - Long Term Project
        -1979 Ford LTD Landau (38K Miles) - New Cruiser

        -1986 Dodge D-150 Royale SE (112K Miles) - Slowly Getting Put Back Together
        -1987 Grand Marquis Colony Park LS (343K Miles) - April 2017 + September 2019 POTM Winner
        -1997 Grand Marquis LS (244K Miles) - March 2015 + January 2019 POTM Winner - Sold (05/2011 - 07/2024)

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          #19
          Originally posted by LeviMM View Post
          Update: I just got the GM back, and it rides like a charm. The transmission guy said it was a bad torque converter. He replaced it and checked things out while he had it apart.
          Good deal.
          ~David~

          My 1987 Crown Victoria Coupe: The Brown Blob
          My 2004 Mercedes Benz E320:The Benz

          Originally posted by ootdega
          My life is a long series of "nevermind" and "I guess not."

          Originally posted by DerekTheGreat
          But, that's just coming from me, this site's biggest pessimist. Best of luck

          Originally posted by gadget73
          my car starts and it has AC. Yours doesn't start and it has no AC. Seems obvious to me.




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            #20
            yeah sounds about stock. Might want to ask how he sets it. There is an official Ford procedure using a spacer block and a pressure gauge. Basically its stick the spacer block between the "hat" on the end of the cable and the stem to pull it out some amount, and adjust the thing to read within some range on the gauge. Its one of those things where its generally better to be on the high side than the low side, and old sloppy transmissions often just aren't responsive unless the pressure is jacked up beyond stock. If it shifts up and down well, I'd call it good. Some just are extremely lazy about downshifting though, and thats where extra pressure can be a big improvement. A lot of them you just have to firewall the throttle to kick it down a gear so it will move.

            just a thought though, since that is so critical, messing with it will quite possibly void the warranty so I wouldn't dare touch it without talking to the rebuilder.
            86 Lincoln Town Car (Galactica).
            5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

            91 Lincoln Mark VII LSC grandpa spec white and cranberry

            1984 Lincoln Continental TurboDiesel - rolls coal

            Originally posted by phayzer5
            I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

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              #21
              +1 sounds about right. I'd still pull the TV cable another 1 mm just to hold gears a smidge longer. But yeah... personal preference.

              Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
              rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

              Originally posted by gadget73
              ... and it should all work like magic and unicorns and stuff.

              Originally posted by dmccaig
              Overhead, some poor bastards are flying in airplanes.

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                #22
                If you want it adjusted, let the trany shop do it. This way if there are any issues it's on them!
                What I Own: 1993 Mercury Grand Marquis GS
                What I Help Maintain: 1996 CV / 1988 CV / 1988 Tempo

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                  #23
                  Thanks everyone for the input! It feels good to be rolling again.
                  @Ryan.Madison68

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                    #24
                    Why didn't the transmission shop replace the torque converter ? To me that would a basic must do.
                    If the shop says the torque converters can't be rebuilt that is bs. I know a shop in Ca that specializes in torque converters.

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