2007 STS Power Steering Inop

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Cadillac STS Forum - 2005 through 2012 Discussion, 2007 STS Power Steering Inop in Past Cadillac Vehicle Discussion; I have a 2007 STS and the power steering stopped working it was intermitent but now it does not work ...
  1. #1
    Morky1 is offline Cadillac Owners Member
    Automobile(s): 1998 Seville SLS
    Join Date
    Dec 2008

    2007 STS Power Steering Inop

    I have a 2007 STS and the power steering stopped working it was intermitent but now it does not work at all. I was told it could be the power steering actuator whats that. I flushed the power steering fluid twice ( It was dirty) but it still will not work. There are no strange noises never was when you first start the car it seems like its going to work but 15 seconds later the service steering light comes on and it just won't work any ideas please.

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  3. #2
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
    Automobile(s): 05 STS4
    Join Date
    Nov 2010

    Re: 2007 STS Power Steering Inop

    Its the pump, common failure item on these cars.

  4. #3
    KRSTS Guest

    Re: 2007 STS Power Steering Inop

    Hope you have a warranty

  5. #4
    caddyfat2 is offline Cadillac Owners Fanatic
    Automobile(s): 2005 STS4 1SG w/ HUD-ACC
    Join Date
    Jul 2010

    Re: 2007 STS Power Steering Inop

    I replaced my pwr steering rack at 48k miles after it made tons of noise that the dealer couldn't replicate for about 6 months until they finally heard it and made a diagnosis.

  6. #5
    8323matt's Avatar
    8323matt is offline Cadillac Owners Fanatic
    Automobile(s): 2007 Cadillac STS
    Join Date
    Nov 2010
    Fargo, ND

    Re: 2007 STS Power Steering Inop

    Make sure the pulley isnt just spinning on the shaft (this is a rare case). I'm sure its the pump going bad though. There not that expensive, just check ebay, www.gmpartsdirect.com, or www.newgmparts.com

  7. #6
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2006 STS V8 AWD, '95 Ford Ranger
    Join Date
    Jul 2004
    Fairbanks, Ak

    Re: 2007 STS Power Steering Inop

    Do some research before changing out the pump yourself. You need the right tool to change the pulley and getting the fitting loose on the high pressure hose can be a bitch even for a dealership tech.
    Don't mess with Binky Bear!

  8. #7
    sub613's Avatar
    sub613 is offline Cadillac Owners Enthusiast
    Automobile(s): 2006 STS 1SF N* RWD NAV F55
    Join Date
    Mar 2009
    NC for Now, Florida SOON

    CoolRe: 2007 STS Power Steering Inop

    Had mine replaced under Warranty (aftermarket),around 40K Miles.
    Works Great now !
    Overnight repair, used a Rental car FREE.

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