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4T60 tranny= help needed

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  • 4T60 tranny= help needed

    it doesnt seem to be that tranny is no good. but u tell me. i was going fast, gear was in D, when i hit speed limter (done it oftenly) but this one was strange- when i hit the speed limter, all of sudden the rpm was hitting the redline (chip rev limter, thank god for that) its like u are flooring it at Netural gear. R, OD, D, 2, 1 doesnt work at all, when i PARK and put back in OD, works fine but only for 1st gear and thats it. WHY? it doesnt seem like the trann blew? seems like some computer error? sensors? it just dont make sense since i was going on 3rd gear and gone N, then 1st n 2nd should be working cept for 3rd but only 1st works n other gears dont.. help me out
    sigpic
    -1992 Red Z34 284
    -1990 TSTE
    -1991 GTP
    -1992 B Z34 parts
    -1992 R Z34 parts

  • #2
    You blew her up time for a rebuild. Should of posted this in the tranny section some others know alot more about it but I think your valve body or cluch packs are to blame.

    96 Z34 3.4 SC DOHC Getrag, 284 5sd manual transmission, stage 3spec clutch, 97 engine, 97 pcm, S3 intercooler 1 of 1 Roots SC LQ1 in the world 8.5 psi.

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    • #3
      my bad, didnt notice the tranny section
      sigpic
      -1992 Red Z34 284
      -1990 TSTE
      -1991 GTP
      -1992 B Z34 parts
      -1992 R Z34 parts

      Comment


      • #4
        Almost sounds like the reaction sun shell striped. Easy fix.
        88 Beretta GTU turbo . 90 Black ASC/McLaren TGP, awaiting 4t80. 2003 Grand AM se 3400/4t45 daily grind.

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        • #5
          im all new with tranny, i mean those short words for it im lost. whats sun shell? how can i fix it? teach me how
          sigpic
          -1992 Red Z34 284
          -1990 TSTE
          -1991 GTP
          -1992 B Z34 parts
          -1992 R Z34 parts

          Comment


          • #6
            Its this piece here...

            Professional Grade Automatic Transmission Parts. New Soft parts & Kits, Quality Inspected Used & Professionally Rebuilt Hard Parts High-Performance Parts 1-888-8CT-POWR Mon-Fri. 9:00 to 5:30 PST California Closed Sat/Sun/Holidays


            it usually strips from years of use.

            And even if its not that, you still have to pull the trans down.
            88 Beretta GTU turbo . 90 Black ASC/McLaren TGP, awaiting 4t80. 2003 Grand AM se 3400/4t45 daily grind.

            Comment


            • #7
              ah i see. yeah i know i will pull it down either ways. thats sun shell? cool, thanks
              sigpic
              -1992 Red Z34 284
              -1990 TSTE
              -1991 GTP
              -1992 B Z34 parts
              -1992 R Z34 parts

              Comment

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