Signs of a transmission going dead
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, Signs of a transmission going dead in Past Cadillac Vehicle Discussion; hello all was just wondering are there signs of a transmission is about to go? or needs something done to ...
  1. #1
    85 FLEETWOOD COUPE's Avatar
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    Signs of a transmission going dead

    hello all was just wondering are there signs of a transmission is about to go? or needs something done to it? besides the normal slipping,i got a 96 cadillac fleetwood project car that i bought from a auction not to long ago got it running but now when i start the car and put it into drive or reveres it makes a high pitched noise well not really a high pitch it gives a sound like when your power steering pump got no fluids in it. it had fluids in it i checked the dip stick,im just scared to take it on a long drive and get stuck some where it has happend to me before in another car we had was not nice in the middle of after 5 traffic yikes,but and words would be kind,thank you all

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    The car does not slip,and millage is 180thousand miles

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    HUF's Avatar
    HUF
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    Re: Signs of a transmission going dead

    Are you sure it is not the PS pump indeed? They make scary high pitch noise when it is below freezing.

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    Re: Signs of a transmission going dead

    It cant be just for the simple fact it does it only in gear,its totally fine when its in park position only when engaged

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    Re: Signs of a transmission going dead

    Any other ideas

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    Re: Signs of a transmission going dead

    Have you checked the fluid level???

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    CadillacPimpinNOLA is offline Cadillac Owners Connoisseur
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    Re: Signs of a transmission going dead


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    85 FLEETWOOD COUPE's Avatar
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    Re: Signs of a transmission going dead

    Quote Originally Posted by jayoldschool View Post
    have you checked the fluid level???
    yes its normal

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    Quote Originally Posted by cadillacpimpinnola View Post
    thank you im going to check this out now

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    csbuckn is online now Cadillac Owners Master
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    Re: Signs of a transmission going dead

    If you want to eliminate all the belt driven accessories, take the serpentine belt off and run it. See if it still makes the noise. If it does, I'd bet its the tranny pump making noise. Maybe the filter is getting clogged.

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    Re: Signs of a transmission going dead

    Quote Originally Posted by csbuckn View Post
    if you want to eliminate all the belt driven accessories, take the serpentine belt off and run it. See if it still makes the noise. If it does, i'd bet its the tranny pump making noise. Maybe the filter is getting clogged.
    really interesting,im going to try this out on my day off this weekend thanks for the words,ill report back to give update on this part

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    Quote Originally Posted by CadillacPimpinNOLA View Post
    I LOOKED AT IT AND # 20 IS THE CLOSEST TO MY SITUATION HERS WHAT IT SAID-20. Trans seems noisy when moving in 1st and Reverse, noise goes away instantly if you shift to N or the trans goes into 3rd gear: Reaction planetary is worn out due to high miles or insufficient lubrication. Not a critical failure, but not a good sign either. R&R sooner rather than later.

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    whats the Reaction planetary?

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    csbuckn is online now Cadillac Owners Master
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    Re: Signs of a transmission going dead

    Makes me think of some kind of vibration dampener.

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    Re: Signs of a transmission going dead

    whats that mean something internal?

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    csbuckn is online now Cadillac Owners Master
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    Re: Signs of a transmission going dead

    Yep. If its the tranny, I cant think of anything outside of it that would wine.

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    Re: Signs of a transmission going dead

    A trans whining is usually cavitation (bubbles in fluid) caused be a clogged filter. Sometimes one can get lucky with changing the fluid and filter.

  15. #14
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    Re: Signs of a transmission going dead

    Ill see if i can post a video of it maybe? But so just change the filter and oil? I heard doing this may be risky and trans wont act the same as before? Another question whats the proper fluids to be in these transmissions? Is there a such thing as a high millage trans oil like they do for motors?

  16. #15
    The Ape Man's Avatar
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    Re: Signs of a transmission going dead

    Consult da owners manual for proper fluid. Should be Dexron II (not dextron).

    If the filter is clogged there's no other way to proceed except just swapping transmissions.

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