Looking to swap used engine in 2001 STS, and looking for advice.
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Northstar Engines and System Technical Discussion Discussion, Looking to swap used engine in 2001 STS, and looking for advice. in Cadillac Engine Discussion; Hey guys. I bought a 2001 Seville STS that turned out to have a cracked block. I poured some Bars ...
  1. #1
    pose_sts's Avatar
    pose_sts is offline Cadillac Owners Member
    Automobile(s): 1998 Eldorado ETC
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    Looking to swap used engine in 2001 STS, and looking for advice.

    Hey guys.

    I bought a 2001 Seville STS that turned out to have a cracked block. I poured some Bars Leaks HG1 in it as a Band-Aid for now, but definitely am looking to swap in a good engine (prefer 2003).

    I'd prefer to get a used engine due to budget, and would like to get one from a recycler so at least it would have a warranty.

    What experiences or nightmares have you guys had going this route?

    Any advice would be welcomed.

    Thanks

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it.
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    Re: Looking to swap used engine in 2001 STS, and looking for advice.

    It (2003 > 2001) SHOULD work, but study this to see if there is anything posted ............(Engines; Northstar sticky threads) -

    https://www.cadillacforums.com/forum...fferences.html

    Start with Post #1 - dated 05-13-10 (initial view depends on how you have your site preferences set)

  4. #3
    basscatt's Avatar
    basscatt is offline Master of the Dark Art of Diagnostics
    Automobile(s): 2003 DHS - two-2002 DHS's, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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    Re: Looking to swap used engine in 2001 STS, and looking for advice.

    it MUST be a VIN-9 motor
    from a 2001 through 2003 Seville STS - Deville DTS - or Eldorado ETC -

    a VIN-Y motor
    from a Seville SLS - Deville BASE or DHS - Eldo ESC - has different intake cams

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