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  1. #1 Transmission nearing the end? 
    Who is this guy? SubwayGuy's Avatar
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    So many of you know that my transmission has had a slip problem going into 2nd at higher RPM's. Well, some more things started to come up. Just started today leaving school, The car would sometimes have this lug feel where when accelerating in 1st gear, it would almost lose power for a second and then regain it and go on and not do it for awhile. Well, it did this about 3 or 4 times on my home from school. It also dropped into 1st from 2nd when not needed, like taking a turn and giving it almost no throttle, it went down into 1st. I drove it home carefully as I did not want to hurt anything else. I don't know if I was just driving int he wrong conditions and didn't really know what to do, or if it is dying. I've already added stop slip, MAP and MAF sensors are clean, throttle body is halfway clean, air filter could be changed, but I don't think it cause the lug. I'm not sure what to do. I was gonna drive it for another week and see if the problems subside, but if it turns out it needs a new tranny, I'm S.O.L. So are there any other things I could do to try and fix it? I was gonna try pounding on it and see if anything happens.

    I should also add that I had my car scanned for engine and tranny codes yesterday and none came up.

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  2. #2 Re: Transmission nearing the end? 
    Donating Users EHB's Avatar
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    try some seafoam
    http://www.amazon.com/Sea-Foam-TT-16.../dp/B0002JN2F4

    drop the pan , install a shift kit , new filter ,and another bottle of lucas.
    2000 GTP - 3" Catted DP...ZZP Plog...9" Cone filter...Reptile pcm...3.4 pulley...AL104's
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  3. #3 Re: Transmission nearing the end? 
    Who is this guy? SubwayGuy's Avatar
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    Quote Originally Posted by EHB View Post
    try a shift kit.
    I weary of dropping the pan and adding new fluid as some people made their transmissions worse by doing that. I can't afford to take that chance.

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  4. #4 Re: Transmission nearing the end? 
    Donating Users EHB's Avatar
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    don't flush it. just drop the pan . people have problems when they do a full flush.
    2000 GTP - 3" Catted DP...ZZP Plog...9" Cone filter...Reptile pcm...3.4 pulley...AL104's
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  5. #5 Re: Transmission nearing the end? 
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    Quote Originally Posted by EHB View Post
    don't flush it. just drop the pan . people have problems when they do a full flush.
    Someone on here said all he did was a pan drop on 2 of his GP's and after, both of them slipped worse than before. Honestly, I'd take it to a GM dealer and have them do it. That way if something breaks, it's their fault.

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  6. #6 Re: Transmission nearing the end? 
    I live here. stealthee's Avatar
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    Quote Originally Posted by EHB View Post
    don't flush it. just drop the pan . people have problems when they do a full flush.
    If a trans is bad enough a pan drop alone could kill it. I've had it happen to me three different times on three different cars.


    2011 Mitsubishi Lancer GTS - DD mode
    1991 Mitsubishi 3000GT - Many mods to come
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  7. #7 Re: Transmission nearing the end? 
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    Quote Originally Posted by stealthee View Post
    If a trans is bad enough a pan drop alone could kill it. I've had it happen to me three different times on three different cars.
    And that's what I'm afraid of. That's why I've never had that done.

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  8. #8 Re: Transmission nearing the end? 
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    Well it's been 2 days and it hasn't been acting up. It will still occasionally lug and do the power loss thing which I cannot figure out, but it doesn't do it as much. If I give it more gas, it helps haha. I will change the air filter soon and see what happens, it's pretty dirty.

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  9. #9 Re: Transmission nearing the end? 
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    There is no way that dropping the pan to add 8.5 Qts of new trans fluid (I have been using Dexron VI for the last 100,000 miles) and filter will make the trans worse unless there is so much dirt/gunk in the old fluid that the new filter gets clogged quickly. If the fluid/filter has never been changed or has more than 80-100,000 miles on it, I would change the fluid/filter, drive it for a few hundred miles and change the fluid/filter again.

    GM recommends changing the fluid/filter every 50K in heavy duty applications (city driving, hot temps 90+, police, taxi, mountain/hilly driving) or 100,000 miles for other driving (this interval is crazy and why so many 4T65E tranny's fail early). Lots of people never change the trans fluid...I have owned my GP since new and changed the fluid/filter at 40,000, 65,000, 90,000 miles and now after that every 20K...trans/engine has 180,000 miles now, shifting perfectly. I have no interest in replacing the tranny and have never had a tranny failure on any car in 35 years..At 90,000 miles I added (2) 18,000 GVW Double stack coolers in the grille which cools the tranny fluid outside of the radiator cooling which is totally by passed. Heat and dirt kill transmissions...minimize both and the trans will last a loooong time.
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  10. #10 Re: Transmission nearing the end? 
    GT Level Member brettstoner's Avatar
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    If the trans is slipping or showing signs of malfunction you are on borrowed time. You can install a shift kit, use additives, change fluid but you still face the inevitable, a rebuild. I say save your money, do nothing, and put your money towards a rebuild. Drive the trans till you can't stand it anymore then order a TEP trans. Everytime I have tried to keep a dying trans going a little longer by sinking money into it I have regretted it and ended up wasting money that could have been used for a rebuild.
    04 GP GT- top swap, VS cam, 2.8 pulley, E85, headers, 60 injectors, TEP 3:29 trans, Racelogic Traction Control, ZZP dyno tuned.
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