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fluid for my transmission

Discussion in 'General Tech and Maintenance' started by 90htchbck, Oct 18, 2007.

  1. 90htchbck

    90htchbck New Member

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    i have a 92 civic si with about 90k on it, just wondering what's the best fuild to put in the tranny, my diesel tech teacher tells me to go with mobil one sythetic ATF but others tell me straight 30 motor oil, some said redline...I plan on keeping the car for a long time and want to get the most out of it, i tend to jump on it once and a while so i want something that's good and can handle being abused sometimes...what kinda fluid should i use for my transmission??
     
  2. eg6sir

    eg6sir Supa Mod Moderator VIP

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    Honda MTF.. if its not smooth enough after that.. try GM Synchromesh..
     
  3. 90htchbck

    90htchbck New Member

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    is MTF a sytheic or what is it? where can i buy it?
     
  4. eg6sir

    eg6sir Supa Mod Moderator VIP

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    Honda MTF you can buy at Honda :eek:
    should be right behind the parts counter

    not real sure why a diesel tech suggested ATF (automatic transmission fluid) for a manual tranny.. but i'd never take his advise, ever
     
    Last edited: Oct 18, 2007
  5. 90htchbck

    90htchbck New Member

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    i wonder why he told me to put ATF on a manual transmission??? would automatic fluid hurt a manual tranny?
     
  6. 90htchbck

    90htchbck New Member

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    so i can only get the honda MTF at a honda dealer??? is there another good fluid i can use??? what do you think is better redline or motor oiL???
     
  7. eg6sir

    eg6sir Supa Mod Moderator VIP

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    you may be able to order it online.. but yes.. Honda ..
    another good tranny fluid is GM Synchromesh..
    Redline or motor oil?? neither .. ^^ see choices above ^^
     
  8. 91_civic_si

    91_civic_si New Member

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    listen to eg6sir, use Honda MTF and if you have grinds use GM Synchromesh. Trust us
     
  9. 99sidude

    99sidude Moderator Moderator VIP

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    autozone sells a penzoil copy of GM syncromesh that I've used for quite awhile. I think it makes the trans feel better than with honda mtf.
     
  10. 93civicracer

    93civicracer Oh, I do a little here and there.

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    Buy a Haynes Repair Manual for 92-95 (5th gen) civics and del sols. It's full of EVERYTHING you need to know to keep your 92 running great for a long time. I got one :) the wiring diagrams are the main reason I bought it.

    It tells you every type of fluid the best for PS, brakes, motor, trans, everything and regular maintenence schedules etc. I highly recommend :).

    EDIT: by the way mine says:

    Manual Transaxle
    Lubricant type.......API grade SF or SG engine oil
    Viscosity................10W-30 or 10W-40
     
    Last edited: Oct 19, 2007
  11. eg6sir

    eg6sir Supa Mod Moderator VIP

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    Honda sells transmission fluid for a reason..
     
  12. norcalgsr

    norcalgsr Honda Master Technician

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    You don't use engine oil for transmission fluid anymore you use Honda MTF and that is it, period. If you don't feel like following eg6sir's correct advice feel free to use whatever else you want and you will probably fuck up your transmission.
     
  13. 90htchbck

    90htchbck New Member

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    sounds good i'll try the Honda MTF, why GM synchromesh if i have grinds??? would it be benifital to put GM sychromesh if my tranny is running good with no grinds???
     
  14. eg6sir

    eg6sir Supa Mod Moderator VIP

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    well, grinds are caused from synchros.. if they're going bad, they'll grind.. GM Synchromesh prevents it from grinding somehow, hence the name.. if your tranny is smooth, use the Honda MTF
     
  15. riceburner89

    riceburner89 Banned

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    not any kinda fluid can ''mess up your tranny''

    you can use motor oil in it. 10 w 30 or 40..

    i use 10-w 40 motor oil to flush my tranny , and i drive on it alot too..

    my Y21 tranny is doing just fine on it
     
  16. norcalgsr

    norcalgsr Honda Master Technician

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    You can, but with the release of the specific manual transmission fluid Honda recommends that to be used instead of motor oil. It has special additives and friction modifiers that help to reduce wear and shift smoother than regular motor oil.

    I've used pretty much everything that can be put into a Honda manual trans and it works better than everything else including Redline.
     
  17. riceburner89

    riceburner89 Banned

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    i know that man. i was just telling him that nothing will ''hurt'' his tranny.


    u can put thick honey 90 w gear oil to expirement if u want...... see wat works best then stick with that, rather then taking advice of wat to get
     
  18. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    If you get the GM Synchromesh fluid, make absolutely sure you get the one with the friction modifier in it. There are two different kinds.
     
  19. K2e2vin

    K2e2vin Senior Member

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    Motor oil will work fine in the transmission unless you have a clutch-type LSD.

    +1 for Honda MTF, and GM Synchromesh FM.

    Pennzoil is not a copy of GM, rather the "original"; GM Synchromesh is manufactured by Pennzoil.

    I've used Royal Purple, Honda MTF, GM Synchromesh(non-FM), Castrol 10w-30, and Amsoil Synthetic MTF. Of all those, Royal Purple and GM Synchromesh(non-FM) didn't work too well for me.
     
  20. serrilion

    serrilion In my own little world! VIP

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    I've used Purple royal in the GF's car. Driven it 50k miles no problem and its 5w-30 in the trany. I'n my civic im using GM synchromesh FM, Great stuff ... I would recomend!
     
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