Change Trans fluid or not?
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Change Trans fluid or not? in Past Cadillac Vehicle Discussion; My 2000 SLS has 170,000 miles and unless the previous owner changed the transmission fluid before I got it 3 ...
  1. #1
    mikec35 is offline Cadillac Owners Fanatic
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    Change Trans fluid or not?

    My 2000 SLS has 170,000 miles and unless the previous owner changed the transmission fluid before I got it 3 years ago with 40,000 miles on it then it has never been changed. It runs great but it has been bothering me for a while as I have been thinking I should change it. I really don't trust transmission shops, I know that most jobs like fluid changes are usually given to the apprentice or green mechanics. Is it worth taking to the dealer? Are they likely to try to suck it out and replace or should I ask for them to drop the pan and clean the screen? Any advice? Thanks
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    1BadCadSTS's Avatar
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    Too late to change now. Leave it. Never touch one that hasn't been changed before 100k and it should be done every 75k IMHO. 170k your asking for problems, you've past the point of no return drive it till it breaks.
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    basscatt's Avatar
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    Re: Change Trans fluid or not?

    Quote Originally Posted by 1BadCadSTS View Post
    Too late to change now. Leave it. Never touch one that hasn't been changed before 100k and it should be done every 75k IMHO. 170k your asking for problems, you've past the point of no return drive it till it breaks.
    -----------------------------------
    SO much BAD information here - WHERE do I begin -

    1 - check the fluid -
    look at the color is it red/pink - like cherry Kool-Aid?
    or nasty burned dark brown?

    2 - smell the fluid - is it really stinky?
    or mostly odorless?

    3 - check the TRANS FLUID OLM -
    it will display a % of TRANS FLUID life remaining -
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    MoistCabbage's Avatar
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    Personally, I prefer to change the transmission fluid every 80K-100K miles, or every 10 years.

    There is certainly no "point of no return" as far as trans fluid changes go. In reality, the point of no return is the instant a part is put into service. At that point, with use, it will eventually fail.
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    Re: Change Trans fluid or not?

    Quote Originally Posted by 1BadCadSTS View Post
    Too late to change now. Leave it. Never touch one that hasn't been changed before 100k and it should be done every 75k IMHO. 170k your asking for problems, you've past the point of no return drive it till it breaks.
    That is a myth.

    I agree with MC. Can't hurt to change it. Most dealers and trans shops will pump out the old and in with the new (fluid exchange). Personally, I prefer to do a pan drop to clean out any debris and the magnet.
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    SUPER LAC DEVILLE's Avatar
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    Quote Originally Posted by basscatt View Post
    ---------------

    3 - check the TRANS FLUID OLM -
    it will display a % of TRANS FLUID life remaining -
    I've never seen that in the IC

    Is there some way for me to bring up that info???
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    Re: Change Trans fluid or not?

    [QUOTE=SUPER LAC DEVILLE;3483369]I've never seen that in the IC

    Is there some way for me to bring up that info???
    -------------------------------
    I've never seen that in the IC
    your 98 Deville doesn't have that feature -
    the OP's 00 Seville does -
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    Re: Change Trans fluid or not?

    Use the info button and scroll down. Don't expect to see much though. It will always be at 99 or 100% unless it overheats. It does not decrement like the OLM does.

    EDIT:
    Are you sure Bass? I could swear my '97 Deville had it.
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    SUPER LAC DEVILLE's Avatar
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    [QUOTE=basscatt;3483417]
    Quote Originally Posted by SUPER LAC DEVILLE View Post
    I've never seen that in the IC

    Is there some way for me to bring up that info???
    -------------------------------
    I've never seen that in the IC
    your 98 Deville doesn't have that feature -
    the OP's 00 Seville does -
    Ah!

    That explains it then

    I've been Robbed !

    I shall protest Until GM does a Recall...

    Or Not. Lol
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    SUPER LAC DEVILLE's Avatar
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    Quote Originally Posted by Ranger View Post

    EDIT:
    Are you sure Bass? I could swear my '97 Deville had it.
    I've never seen it but I wish it did... I'd like to know temp and life, jus so I have an idea of what's going on in there... If anything
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    1BadCadSTS's Avatar
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    Quote Originally Posted by basscatt
    -----------------------------------
    SO much BAD information here - WHERE do I begin -

    1 - check the fluid -
    look at the color is it red/pink - like cherry Kool-Aid?
    or nasty burned dark brown?

    2 - smell the fluid - is it really stinky?
    or mostly odorless?

    3 - check the TRANS FLUID OLM -
    it will display a % of TRANS FLUID life remaining -
    Wrong kiddo. Cycling the debris (metal) accumulated in a transmission especially for 170k is going to cause more issue then prevent.

    Ergo bad idea.

    Op drain and fill if its really bothering you but do not even consider a flush.
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    Re: Change Trans fluid or not?

    Quote Originally Posted by SUPER LAC DEVILLE View Post
    I've never seen it but I wish it did... I'd like to know temp and life, jus so I have an idea of what's going on in there... If anything
    It doesn't show temp.
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  14. #13
    SUPER LAC DEVILLE's Avatar
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    Quote Originally Posted by Ranger View Post
    It doesn't show temp.
    I'm sorry
    I meant temp jus for the transmission fluid

    It shows coolant temp tho
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    Re: Change Trans fluid or not?

    That's what I meant, they don't show trans fluid temp.
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  16. #15
    SUPER LAC DEVILLE's Avatar
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    Quote Originally Posted by Ranger View Post
    That's what I meant, they don't show trans fluid temp.
    Wouldn't that be important to know tho?
    U mentioned overheating
    The temp could indicate such a thing
    Or is it jus that unnecessary?
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