Power Steering Fluid Question
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  • 1 Post By Superjim
Cadillac DTS Forum - 2006 through 2012 Discussion, Power Steering Fluid Question in Past Cadillac Vehicle Discussion; How often do you guys change your power steering fluid out? Also, what color should it be? Also, I should ...
  1. #1
    tjwhite721's Avatar
    tjwhite721 is offline Cadillac Owners Fanatic
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    Power Steering Fluid Question

    How often do you guys change your power steering fluid out? Also, what color should it be? Also, I should the Power Steering fluid cap just twist off? I remember on my 1999 Seville, you had to press down in the middle and turn at the same time. I checked my cap today and I can just turn it right off.

    Thanks

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  3. #2
    billbill1 is offline Cadillac Owners Member
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    Re: Power Steering Fluid Question

    Cap just turns off.
    It's hard to know what has happened , with a high mileage DTS.
    I check smell and color, mine was in need, at 100K. It's a messy
    process, but definitely a DIY project.
    After flush, with new fluid, I installed a, Cardone inline power steering filter ,
    on the lower return hose, just above frame. I then added Lucas 1008 stop leak,
    with the fill up of the system.
    FYI , about 4 feet of soft 3/8 copper tubing, into a large container, was the
    flush return, from the "cut" return line, at new filter location.
    " Did I Say Messy ?"

  4. #3
    jazoo is offline Cadillac Owners Fanatic
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    Re: Power Steering Fluid Question

    It is not a part of the normal maintenance schedule. It is not necessary to check power steering fluid on a regular basis unless you suspect there is a leak in the system. The power steering reservoir cap can be removed by just turning it counter clockwise. If the power steering fluid in your Caddy is dirty as compared to a new fluid then you may want to have it replaced by a reputable auto shop. If you are a DIY’er then you can replace it yourself but make sure to remove all the air from the system after replacing with a new power steering fluid. The power steering fluid Part No. is GM U.S. 89021184.

  5. #4
    Superjim's Avatar
    Superjim is offline Cadillac Owners Connoisseur
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    Re: Power Steering Fluid Question

    If I was going to replace my power steering fluid, I would probably go by the Dollar Store and pick up a cheap turkey baster and suck all the fluid I could get out of the reservoir and refill it.
    Then a couple of weeks later do it again and repeat every couple of weeks till it was clean again.
    Tom's Caddy likes this.

  6. #5
    billbill1 is offline Cadillac Owners Member
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    Re: Power Steering Fluid Question

    Hay Guys don't make such a mystery, the power steering pump, runs 100% of the time.
    A flush may save an aging system, an in-line filter, will keep the crap out, and Lucas
    1008 stop leak, will prolong seal life. A mity-Vac pulling a vacuum on the pump reservoir,
    will remove any air in a power steering system.

  7. #6
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Power Steering Fluid Question

    I wouldn't put Lucas or Seafoam anything in a blown up Briggs&Stratton lawnmower, much less a decent car. (but, working behind the counter at the local Western Auto, selling the stuff to the GPOP is good spiff)

    Superjim's post hit it on the head: 3 times a year, during normal underhood checks and tinkering, I use a squeeze bulb with a 10" length of small vacuum hose attached to remove all the fluid from the reservoir - about 16 ounces. Then refill with standard GM-approved P/S fluid (no "stop leak" crap that swells the seals). As of 12/16/13 what comes out is pale yellow clear P/S fluid.

    On the flip side, I completely exchange all brake fluid every 4 years - in the car and both trucks. Nary a brake problem.

  8. #7
    tjwhite721's Avatar
    tjwhite721 is offline Cadillac Owners Fanatic
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    Thanks for your help. Will use the turkey baster method a few times a year.

  9. #8
    Kenwood is offline Cadillac Owners Fanatic
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    Re: Power Steering Fluid Question

    I like the turkey baster idea - by the way, what power steering fluid should we be using?

    Kenwood

  10. #9
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Power Steering Fluid Question

    In your owner's manual - a GM approved type, NOT any sort of ATF. P/S hydraulic fluid. Read the labels on various brands - and I would stay away from the "Stop Leak" types as they tend to swell the various shaft seals in a healthy system - leading to problems.

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