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AOD won't stay in gear/won't shift

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    #1

    AOD won't stay in gear/won't shift

    Okay, so here's the whole story: Last August or so, I installed a dual mode (street/strip and heavy duty) B&M shift kit in my '89 CV. At first it was fine, shifted great, but then after a few shifts, the 1-2 shift softened out again. I just lived with it for a long time (I didn't have time to do anything with it so I just had to live with it).

    Today, I finally got around to pulling it apart again, and I changed out the 1-2 modulator spring (the little one; I think that's what they called it) from the street/strip one to the heavy duty one. I didn't have new valve body or separator plate gaskets to use, so I just tried to reuse the old ones, which seemed all right.

    Anyway, I put it all back together and got plenty of fluid in it, and then took it for a test drive. Now it won't stay in gear unless I'm stepping on the gas, and it won't shift out of first gear.

    WTF did I do???

    2001 Ford Crown Victoria P71 - "The Fire Engine"
    1985 Lincoln Town Car Signature Series
    But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8
    Tags: None
    #2
    Sounds to me like the gaskets are leaking mang. You didn't lose any check balls or anything did ya?
    Pebbles-1968 Ford F250
    Pile of Junk! An Electronics Project Site (To get wet by)<---Clicky! NEW STUFF!!!!

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      #3
      I did try my hand at installing a shift kit once, but thankfully mine didn't have major issues afterward even though performance wasn't all that much improved. All I really know about is TV adjustment - how's yours look?
      2012 Mazda5 Touring | Finally working on the LTD again!

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        #4
        Well, I'm gonna go to the Ford dealer tomorrow...gonna hafta take the Taurus...ugh...lol. I'll get some new gaskets and put it together again. I'll keep you guys updated.

        2001 Ford Crown Victoria P71 - "The Fire Engine"
        1985 Lincoln Town Car Signature Series
        But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8

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          #5
          Good luck with it Nate. Im useless when it comes to tranmissions... sry
          -Matt
          1968 Fairlane 500 - 1998 Camaro Z/28

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            #6
            I sa
            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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              #7
              I say new gaskets and inspect whatever you changed to be sure its correct, and that no seals or check balls, etc got misplaced.
              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

              Comment

                #8
                UPDATE:

                It's fixed!!!!!! I pulled it apart again and replaced the gaskets (had to buy a complete gasket set for the tranny even though all I needed was the valve body gaskets), put it back together, filled it with juice, and it works!!! Plus, what I had originally set out to do, make the 1-2 shift firm like it should be, actually happened! I'm so happy! Thanks for all the advice and well wishes, guys.

                Moral of the story: no matter how tempting it seems, DO NOT reuse tranny gaskets!

                2001 Ford Crown Victoria P71 - "The Fire Engine"
                1985 Lincoln Town Car Signature Series
                But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8

                Comment

                  #9
                  Congrats mang, I bet it's fun to drive now. And i'll remember not to reuse gaskets in the future.
                  88 Town Car (wrecked, for sale)
                  Walker OEM duals with muffler deletes

                  Comment

                    #10
                    Originally posted by 88Vic
                    I bet it's fun to drive now.
                    Not really...lol With those 2.73s it's just such a dog. I'm hoping to switch those out in a few weeks here. Just not sure how difficult a job that's gonna be. I have a site that describes the whole job, but until I actually do it it's gonna be hard to know.

                    Hijacking my own thread here, but does anyone have any tips for switching out ring/pinion and rebuilding the posi unit?

                    2001 Ford Crown Victoria P71 - "The Fire Engine"
                    1985 Lincoln Town Car Signature Series
                    But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8

                    Comment

                      #11
                      I thought the B&M kit included valvebody gaskets .......
                      2012 Mazda5 Touring | Finally working on the LTD again!

                      Comment

                        #12
                        It does, but only one set. I put the kit in last summer, and I was pulling it apart again on Tuesday.

                        2001 Ford Crown Victoria P71 - "The Fire Engine"
                        1985 Lincoln Town Car Signature Series
                        But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8

                        Comment

                          #13
                          Originally posted by Nathan in MN View Post
                          It does, but only one set. I put the kit in last summer, and I was pulling it apart again on Tuesday.
                          Bet he was referring to why you re-used old gaskets when installing the shift kit, if the kit comes with new ones - kinda what I'm wondering too actually...

                          As for the slow part - if you hadn't left Ferris already I'd let you take the Chevy for a spin, it's slow till 1000rpms then the cam and mechanical advance come on and it switches to hold-on mode - it's just disturbing how quickly it accelerates, especially considering the 3.08 or whatever gears and 33" tires... Soo, take this advice - modify yer shifter "steps" or just get a slapstick, cause it's just too much fun to just drop a gear, floor it, and blow someone's doors off after you have a shift kit and and new gears in

                          Comment

                            #14
                            Originally posted by MeLikeyStripperChicks
                            Bet he was referring to why you re-used old gaskets when installing the shift kit, if the kit comes with new ones - kinda what I'm wondering too actually...
                            *sigh* I'm not sure why this is so confusing. The kit DID come with new gaskets, and I DID use them when I installed it. LAST SUMMER. When I pulled it apart again on Tuesday, I didn't have another set of gaskets to put in, so I put it back together with what I had. Get it now?

                            2001 Ford Crown Victoria P71 - "The Fire Engine"
                            1985 Lincoln Town Car Signature Series
                            But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8

                            Comment

                              #15
                              and that's why it no werkie

                              1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
                              2006 Lincoln Town Car Signature. Stock for now
                              1989 Ford F-250 4x4 much much more to come, sefi converted so far.
                              1986 Toyota pickup with LSC wheels and 225/60/16 tires.
                              2008 Hyundai Elantra future Revcon toad
                              1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

                              please be patient, rebuilding an empire!

                              Comment

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