05 sts v8 northstar oil leaks - Page 2

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Cadillac STS Forum - 2005 through 2012 Discussion, 05 sts v8 northstar oil leaks in Past Cadillac Vehicle Discussion; update: I just got mines back from the dealer last week for an oil leak . They replaced (oil manifold ...
  1. #16
    caddyfat2 is offline Cadillac Owners Fanatic
    Automobile(s): 2005 STS4 1SG w/ HUD-ACC
    Join Date
    Jul 2010

    Re: 05 sts v8 northstar oil leaks

    I just got mines back from the dealer last week for an oil leak . They replaced (oil manifold lower crankcase seals). $2900.With only 74k miles.

  2. #17
    willysmooo is offline Cadillac Owners Member
    Automobile(s): 2007 STS V-8 AWD ISG, Tuscany seats, per. cooling etc
    Join Date
    Mar 2012

    Re: 05 sts v8 northstar oil leaks

    Dont ask me why,but I was thinking about your CAM issue.....and I always look for TSB's about twice a year. There are 2 TSB's for the CAM sensors/and or CAM actuators in the STS....some from movement or inproper seals. If you google TSB and go in the NHSTB(or whatever the heck it is) you may just be ablke to get this taken care of.

  3. #18
    1BadCadSTS's Avatar
    1BadCadSTS is online now Cadillac Owners Connoisseur
    Automobile(s): 05 STS4
    Join Date
    Nov 2010
    Mines in the shop again for this. Oil fouling out the cam sensors due to bad actuator seals.

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