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Thread: Transmission fluid and filter change

  1. #1
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    Ok, I have aprox. 75,000 miles on my transmission and was wondering if it is safe to change the fluid and filter. I was listending to the radio this morning and they have a program that they talk about automobile servicing. They said that if you have close to 80,000 miles that a transmission fluid flush and change could damage the transmission. What do y'all think, I don't have the money to replace or rebuild the trans right now.

    Thanks,
    Randy
    RChevy.48
    2001 Silverado RCSB 4.8L
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  2. #2
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    I have heard the same thing. I had around 85,000 this past summer and I had the whole thing flushed out and filter changed. I have not had any problems at all with it! But on the other hand other people that I know have changed it and had problems, so I really don't know the real answer on whats right or wrong.
    99 Pewter SCSB
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  3. #3
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    Bah, that radio show was probably by some shisters from AAMCO Tranmissions. I wouldn't waste time changing that filter as it's really a screen. Just dump the fluid in the pan and refill it. You will be fine.

    Basically it'd be like not changin your motor oil...you wouldn't do that would you?

    I change my tranny fulid 12-15K mi.

    Happy speeding.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  4. #4
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    Does anyone else have any information. I need to get this done soon.
    RChevy.48
    2001 Silverado RCSB 4.8L
    Current Mods
    Flowmaster Exhaust
    LT1 Fans
    vette cam sitting in garage

  5. #5
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    I have to call BS too. I have heard that for years but I dont believe it is true. The only problem I could see is if you had some trash tucked away in a corner of your valve body, flushing it could dislodge it and get stuck in one of the passages. I say go ahead and change the fluid and be done with it.
    2000 Silverado, RCSB, 2wd w/ a few mods.
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  6. #6
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    Originally posted by BigKID@Jan 12 2004, 06:20 PM
    I have to call BS too. I have heard that for years but I dont believe it is true. The only problem I could see is if you had some trash tucked away in a corner of your valve body, flushing it could dislodge it and get stuck in one of the passages. I say go ahead and change the fluid and be done with it.
    I wouldn't do a flush...too much $$$. I change my ATF ~12-15Kmi...it is so damn cheap it's silly not to.

    BTW...I just change the fluid via that drain plug.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  7. #7
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    Ok, thats what I will do. So the filter doesn't really filter anything to get clogged up, and does not need to be changed?
    RChevy.48
    2001 Silverado RCSB 4.8L
    Current Mods
    Flowmaster Exhaust
    LT1 Fans
    vette cam sitting in garage

  8. #8
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    Originally posted by RChevy.48@Jan 13 2004, 11:04 AM
    Ok, thats what I will do. So the filter doesn't really filter anything to get clogged up, and does not need to be changed?
    The filter is a screen that keeps metal filings from getting into the valve body...when you turn the vehicle off all that crap floats to the bottom of the pan anyway.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  9. #9
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    Location
    Wylie, TX
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    I want to add a transgo shift kit in the future. I have been reading that this may cause problems with an older transmission. Should I stay away from it, or will this cause no problems?

    Thanks,
    Randy
    RChevy.48
    2001 Silverado RCSB 4.8L
    Current Mods
    Flowmaster Exhaust
    LT1 Fans
    vette cam sitting in garage

  10. #10
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    Originally posted by RChevy.48@Jan 13 2004, 12:01 PM
    I want to add a transgo shift kit in the future. I have been reading that this may cause problems with an older transmission. Should I stay away from it, or will this cause no problems?

    Thanks,
    Randy
    Well it will cause problems is installed incorrectly. 75K mi isn't that high of milage. If done properly it will lengthen the life of the tranny but eliminating the factory short comings.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


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