2005 Deville question - Stiffen a DHS suspension ?
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 2005 Deville question - Stiffen a DHS suspension ? in Past Cadillac Vehicle Discussion; Does any one know if the struts and shocks from the hearse, limo or armored will fit on a stock ...
  1. #1
    jockosboy17 is offline Cadillac Owners Member
    Automobile(s): 2005 Deville DHS
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    2005 Deville question - Stiffen a DHS suspension ?

    Does any one know if the struts and shocks from the hearse, limo or armored will fit on a stock DHS. The reason i'm looking to do this is to stiffen up the
    suspension. Thanks for the input!!

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    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    I think the difference is in the springs more so than the shocks. Sounds like you should have bought a DTS.

  4. #3
    jockosboy17 is offline Cadillac Owners Member
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    Rockauto shows different shocks depending if its a limo, hearse or armored model. I don't want a hard riding vehicle just to firm it up a bit. I was thinking the limo shocks would do the trick but I'm not sure if they would bolt up. Thanks for the help.

    ----------

    If you have any ideas how to install and manually control dts shocks I'm open to ideas.

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    DTS shocks are active, not passive and thus VERY expensive. Besides that, you do not have the system to support (operate) them so it would be a waste of money.

    Limo shocks "might" help some, but I'm not sure.

  6. #5
    ryannel2003's Avatar
    ryannel2003 is offline Cadillac Owners Connoisseur
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    It would be cheaper for you to sell your DHS and purchase a DTS than trying to convert the suspension to CVRSS. I gotta tell you I already owned a car with CVRSS (2000 STS) and I am so happy I longer have to deal with expensive suspension problems when the time comes.

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    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    The limo (commercial/FE7) springs/shocks won't work either. Several suspension/steering components are FE7 specific.

    A new set of shocks would most likely firm up the suspension a bit.

  8. #7
    basscatt's Avatar
    basscatt is online now Cadillac Owners Master
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    Quote Originally Posted by jockosboy17 View Post
    Does any one know if the struts and shocks from the hearse, limo or armored will fit on a stock DHS. The reason i'm looking to do this is to stiffen up the
    suspension. Thanks for the input!!
    ---------------------------------
    the best way to firm up your suspension -
    would be to get front and rear springs from a 2000 to 2005 Deville DTS -

  9. #8
    Manic Mechanic is offline Cadillac Owners Fanatic
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    Ditto on the limo stuff, the hearse/limo uses the same wheel bearing / hub assembly as my 2500 HD, so no go with them. Use KYB front struts as they will give the sportiest control and use them to manually control DTS springs. There's not much option in the rear shock for firm, so get the Monroe Max-airs or Gabriel Hi-Jackers which are tow ready, the others are more soft for comfort. Also get DTS front and rear sway bars, I've installed them on my car and it helps. I was going to do the DTS springs and these shocks but I'm probably going to sell my car soon and won't get to it.

    Vernon

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    I always forget that ^^^ - The "performance" models have front and rear sway bars that are slightly larger in diameter in order to lessen (a little bit) body roll during cornering.

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    Manic Mechanic is offline Cadillac Owners Fanatic
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    IIRC they are 2mm larger diameter front and rear on the DTS and the Oldsmobile Aurora. I found mine on an Olds. The rear is a simple ten minute swap, the front needed a subframe lowering and much wiggling coming off the donor car and going onto mine.

    Vernon

  12. #11
    jockosboy17 is offline Cadillac Owners Member
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    Thanks for the ideas guys I think I will start with the KYB struts and DTS springs. Does any one know if the DTS's are plagued with the famous 2000-2005 deville 60-70mph vibrations?

  13. #12
    Caddy-EaRL's Avatar
    Caddy-EaRL is offline Cadillac Owners Fanatic
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    My 2000 DTS rides smooth as silk. New Dunlop signature 2 tires.

  14. #13
    jockosboy17 is offline Cadillac Owners Member
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    Re: 2005 Deville question - Stiffen a DHS suspension ?

    Hey guys everywhere I have looked so far (RockAuto and OreillyAutoParts) show the same part numbers for DTS and DHS coil spring replacements. Any idea's?

  15. #14
    Caddy-EaRL's Avatar
    Caddy-EaRL is offline Cadillac Owners Fanatic
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    Get with Chris from rippy auto. He supplied us with that info in the general discussion>suspension section
    Attached Images

  16. #15
    jockosboy17 is offline Cadillac Owners Member
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    Thanks Earl!! Any idea what GM's part numbers are for the DTS front and rear sway bars?

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