Question about 2000 Saturn SL

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My 2000 Saturn sl1 recently showed codes po733 and po734.What exactly does this imply and where would I start if I wanted to try fixing the problem myself?

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  • miriam_j12_4 Aug 28, 2010

    If I was checking the right dipstick, the trans fluid was something of a cherry red and didn't smell burnt really. Is this how it is supposed to look?

  • miriam_j12_4 Aug 28, 2010

    How do you tell if the solenoids are okay or not?

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Po733- gear 3 ratio incorrect, po734- gear 4 ratio incorrect. this is how to fix. You can try replacing the shift solenoids inside the transmission as long as the trans fluid is nice and clean looking. If the trans fluid is dark or burnt looking, it time for a new tranny if you need further assistance please let me know and i will be glad to assist you. Thanks, Midwest-Tek

Posted on Aug 28, 2010

  • 3 more comments 
  • Nathan Ayers
    Nathan Ayers Aug 28, 2010

    ya sounds like transmission fluid. Best way is to take the dipstick wipe it off. Then stick it back in and pull it out and wipe it again. Then look and see how it looks. It could also look newer if you recently got a transmission fluid flush/change. That always isnt a sign but it helps.
    All in all from what i know with experience these could be the problems for your codes.
    faulty valve body
    internal seal cut or damaged
    hyrdaulic line pressure faulty
    faulty 3rd, and 4th clutch plates
    shift solenoid packs faulty
    To test the shift solenoids a diagnostic scanner is needed to perform solenoid audible check. If solenoids are ok, transmission will need to be pulled and valve body, cluctch plates and internal seals checked.
    In all likelyhood you are looking at a transmission overhaul.
    If you need further explanation or assistance please let me know and i will be glad to assist you further. Thanks, Midwest-tek

  • Nathan Ayers
    Nathan Ayers Aug 28, 2010

    sorry forgot to add yes transmission fluid is red and if you feel it with your fingers it should feel oily and smooth like oil. Not to thin like water though. That could also be a sign of worn out transmission fluid.

  • Nathan Ayers
    Nathan Ayers Aug 28, 2010

    and if you need further assistance please feel free to follow up with a comment and let me know and i will be glad to assist you further. Thanks, Midwest-tek

  • Nathan Ayers
    Nathan Ayers Aug 28, 2010

    you have to take the transmission out to check em really. But if it wont shift into 3rd or 4th and then goes back down to the lower gear. They are bad. If the car still does a hard shift into gear they may be fine and you could possibly clean them

  • Nathan Ayers
    Nathan Ayers Aug 28, 2010

    if you need further assistance please let me know if this helped you with your problem please feel free to rate it accordingly. Thanks, Midwest-tek

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