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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 2000 DeVille; Any way to reduce body roll or stiffen up suspension? in Past Cadillac Vehicle Discussion; I looked into reducing body roll on my DTS and found out from all the information I could find, the ...
  1. #16
    White Lightning is offline Cadillac Owners Member
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    I looked into reducing body roll on my DTS and found out from all the information I could find, the Deville, DHS, and DTS all have the same sway bars. So don't go getting DTS sway bars because I'm pretty sure they are the same ones you have now. The Deville and SLS have the same sway bars and the STS bars are bigger, so I would assume STS bars would fit in a Deville. Also a company called Addco makes front and rear bars for Deville but no one on the web that I could find has used them so I've been hesitant to go that route until I really have some extra spending money. If you do decide to change the bars, let us know how it works out, I would definitely like to know you results.

  2. #17
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    Quote Originally Posted by White Lightning View Post
    I looked into reducing body roll on my DTS and found out from all the information I could find, the Deville, DHS, and DTS all have the same sway bars. So don't go getting DTS sway bars because I'm pretty sure they are the same ones you have now. The Deville and SLS have the same sway bars and the STS bars are bigger, so I would assume STS bars would fit in a Deville. Also a company called Addco makes front and rear bars for Deville but no one on the web that I could find has used them so I've been hesitant to go that route until I really have some extra spending money. If you do decide to change the bars, let us know how it works out, I would definitely like to know you results.
    ---------------------------
    I looked into reducing body roll on my DTS
    and found out from all the information I could find,
    the Deville, DHS, and DTS all have the same sway bars

    well - I don't know where you got that "information" from -
    but you need a new source - or you need to dig deeper -

    the 2000 through 2005 base model - and DHS model Deville -
    do share the same suspension - FE1 -

    the 2000 through 2005 DTS model Deville -
    is completely different - FE3

    regarding the different sway bars -

    the FE1 base/DHS models use a 28MM front sway bar - 25640436 -
    and 18MM rear sway bar - 25604731

    the FE3 DTS model uses a 30MM front sway bar - 25640438 -
    and 22MM rear sway bar - 25666234 -

  3. #18
    Black Beauty DTS's Avatar
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    Quote Originally Posted by White Lightning View Post
    I looked into reducing body roll on my DTS and found out from all the information I could find, the Deville, DHS, and DTS all have the same sway bars. So don't go getting DTS sway bars because I'm pretty sure they are the same ones you have now. The Deville and SLS have the same sway bars and the STS bars are bigger, so I would assume STS bars would fit in a Deville. Also a company called Addco makes front and rear bars for Deville but no one on the web that I could find has used them so I've been hesitant to go that route until I really have some extra spending money. If you do decide to change the bars, let us know how it works out, I would definitely like to know you results.
    Did someone do work on your suspension before, where they may have changed the sway bars? My DTS has the exact spec front and rear sway bars as basscatt mentioned, and my car does not have much body roll for a big luxury car. Of course it's no Corvette, but it will hands down out-corner any other level of Deville.

  4. #19
    JDemoney is offline Cadillac Owners Member
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    I was actually surprised at how these cars handle. For a big, long, heavy FWD car it has surprisingly less body roll than I thought it would.

  5. #20
    White Lightning is offline Cadillac Owners Member
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    #37

    http://parts.nalleygmc.com/showAssem...category=19483

    #1

    http://parts.nalleygmc.com/showAssem...category=19567

    The bars on my car match those part numbers 25640436 front, 25604731 rear , they look original, and it wouldn't make much sense for someone to put smaller sway bars on a car. So either this catalog is wrong and someone changed my sway bars, I'm right, or Cadillac did a mid cycle part change between 2000 and 2004 and didn't note it in the catalog.

    Question basscatt what catalog did you use for the FE3 part numbers?

  6. #21
    Black Beauty DTS's Avatar
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    That's interesting. You might want to check the options list for your car to see if it says FE1 or FE3, and if it has F45 (continuous valve real time damping). I know that a DTS is normally an FE3 with F45, but who knows what yours may be since you say that it looks original.

  7. #22
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    Are you sure it's a DTS?

  8. #23
    basscatt's Avatar
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    Quote Originally Posted by White Lightning View Post
    #37

    http://parts.nalleygmc.com/showAssem...category=19483

    #1

    http://parts.nalleygmc.com/showAssem...category=19567

    The bars on my car match those part numbers 25640436 front, 25604731 rear , they look original, and it wouldn't make much sense for someone to put smaller sway bars on a car. So either this catalog is wrong and someone changed my sway bars, I'm right, or Cadillac did a mid cycle part change between 2000 and 2004 and didn't note it in the catalog.

    Question basscatt what catalog did you use for the FE3 part numbers?
    -----------------------------------
    The bars on my car match those part numbers 25640436 front, 25604731 rear ,
    that is MIGHTY STRANGE -
    how did you verify these numbers? -
    stickers still on the sway bars - or did you measure the diameters -

    you have FE1 - "soft-ride" sway bars - on a DTS -

    check the RPO sticker on the underside of the spare tire cover -

    I thought ALL the DTS models came with F45 - electronic suspension -
    and FE3 - firm/sport-ride -
    ------------------
    also check your springs -
    the FE3/F45 DTS uses
    front - 22197592 -
    rear 25670966 -

    and FE1 - base/DHS use -
    front - 22197594 -
    rear - 25670967

    Question basscatt what catalog did you use for the FE3 part numbers?
    I can't remember - this was research I did a while ago -
    and just kept the pertinent information -

  9. #24
    White Lightning is offline Cadillac Owners Member
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    Quote Originally Posted by MoistCabbage View Post
    Are you sure it's a DTS?
    I'm assuming your asking me, and yes I'm sure its DTS by VIN, RPO code label, and visually by the options on the car.

    ----------

    Am I somehow reading the catalog differently than everyone else? cause this is what I see.

    25640436 SHAFT. Stabilizer
    SHAFT,FRT STAB(BLUE). Required: 01
    For: K SOFT RIDE SUSP(FE1),SPORT SUSP(FE3) (2005-2005) (2005 - 2005).
    For: KD,KE,KF SOFT RIDE SUSP(FE1),SPORT SUSP(FE3) (2000-2004) (2000 - 2004).

    25604731 SHAFT. Stabilizer.
    SHAFT,RR STAB(YELLOW)(18MM). Required: 01
    For: C SOFT RIDE SUSP(FE1) (1997-2005) (1999 - 2005).
    For: H FIRM RIDE & HANDLING SUSP(F41) (2000-2005) (2000 - 2005).
    For: KD,KE,KF SOFT RIDE SUSP(FE1),SPORT SUSP(FE3) (2000-2005) (2000 - 2005).
    For: KS SOFT RIDE SUSP(FE1) (1998-2004) (1999 - 2004).

    KF is DTS and FE3 is Sport Suspension so the smaller bars are the right bars according to the catalog. Or am I missing something? If I am please tell me.

  10. #25
    Black Beauty DTS's Avatar
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    Re: 2000 DeVille; Any way to reduce body roll or stiffen up suspension?

    Sorry, but I can't explain why that catalog is showing that information, but my only guess would be that at sometime in the 2000-05 DTS line there was a change. That may have been due to complaints that the suspension was too firm for a Deville, and from then on they only offered the standard sway bars for all Devilles including DTS's. I'm guessing that it was for the 2004-05 DTS, since other changes were made at that time like the coarser head bolts.

    ----------

    Quote Originally Posted by purelux View Post
    Depending on condition changing out the sway bar bushings and end-links should help some.
    Back to the OP's question, since you are looking to have a more stable ride without it being firm for a Deville, I would recommend what purelux had said. Maybe a polyurethane bushing for the sway bars would create a more controlled ride.

  11. #26
    purelux is offline Cadillac Owners Fanatic
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    One thing about the sway bars is they use almost round bushings on the sway bars. So you could fabricate a plate to use after market poly bushings or just get new oem ones such as from rippy. End links you can get after market ones or OEM easily.

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