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power steering flush

Discussion in 'Technical Chat' started by rab89, Aug 18, 2009.

  1. Aug 18, 2009 at 9:22 AM
    #1
    rab89

    rab89 [OP] Well-Known Member

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    Grillcraft mx black upper and lower BHLM with Gloss black 265 70 17 bfg a/t center console light mini mag mounted in center console debadged bed lights 35W 5000k HID's
    Hey guys, my power steering is getting bad, it whines louder than my exhaust, and it starting to make a mess under the hood, I want to flush it right out. I bought some valvoline power steering fluid a while back and it's helped a bit just from being better quality, so i'll be re-filling with that.

    any tips on flushing it? my plan is to take the reservoir off and just dump it out and refill..
     
  2. Aug 18, 2009 at 9:33 AM
    #2
    rab89

    rab89 [OP] Well-Known Member

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    Grillcraft mx black upper and lower BHLM with Gloss black 265 70 17 bfg a/t center console light mini mag mounted in center console debadged bed lights 35W 5000k HID's
    looks pretty easy in my haynes...
     
  3. Aug 18, 2009 at 9:35 AM
    #3
    NAAC3TACO

    NAAC3TACO Just east of crazy

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    I would try flushing it too, but I think you are going to need a new pump. Hope I'm wrong.
     
  4. Aug 18, 2009 at 10:05 AM
    #4
    rab89

    rab89 [OP] Well-Known Member

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    i think a new pump will be in order. so, I'm just draining the fluid, and it's like very dark brown/black, when i put it in 2 weeks ago it was almost clear.. any ideas as to why?
     
  5. Aug 18, 2009 at 10:06 AM
    #5
    rab89

    rab89 [OP] Well-Known Member

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    and how do i properly remove the serpentine drive belt?
     
  6. Aug 18, 2009 at 10:17 AM
    #6
    rab89

    rab89 [OP] Well-Known Member

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    another thing, what can I run through the system to clean it before re-filling?
     
  7. Aug 18, 2009 at 10:29 AM
    #7
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    That is caused by a bad pump (which I think you know already). The pump vanes get burred and score the ring they ride against. This causes the fluid to shear, shearing creates heat which in turn burns the oil.
     
  8. Aug 18, 2009 at 10:31 AM
    #8
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    There should be an idler pulley to loosen. Once that is loose you can get the belt off fairly easy. If you just want to run something through to flush it quick, I would suggest a cheap compatible ATF.
     
  9. Aug 18, 2009 at 10:32 AM
    #9
    rab89

    rab89 [OP] Well-Known Member

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    hmm, very good to know! thanks! right now i'm running power steering fluid through, then turning the key to on and turning the wheel and forcing it all out. it's working quite well so far
     
  10. Aug 18, 2009 at 10:34 AM
    #10
    rab89

    rab89 [OP] Well-Known Member

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    is there something better I can do than just flushing fluid through?
     
  11. Aug 18, 2009 at 10:36 AM
    #11
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    No. You cannot restore a bad pump with a fluid flush or change. The only way to fix it is to replace the offending parts or the pump it self.
     
  12. Aug 18, 2009 at 10:38 AM
    #12
    rab89

    rab89 [OP] Well-Known Member

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    ok. should I just buy a fix it kit, or a new pump?
     
  13. Aug 18, 2009 at 10:54 AM
    #13
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    I don't know if they have a "fix it" kit for those. Try pricing one out.

    Here is the breakdown of the pump. Check the last page and you will see what is called a vane pump. It is a typical fixed volume hydraulic pump. On the bottom right of the last page is what you would need, plus any seal or gasket. (from the vane pump rotor to the wave washer)
     
  14. Aug 18, 2009 at 11:01 AM
    #14
    rab89

    rab89 [OP] Well-Known Member

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    link?
     
  15. Aug 18, 2009 at 11:06 AM
    #15
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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  16. Aug 18, 2009 at 11:10 AM
    #16
    rab89

    rab89 [OP] Well-Known Member

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    cool, and the manual says refill with auto trans fluid dexron II. I used valvoline power steering fluid. should I change it out?
     
  17. Aug 18, 2009 at 11:22 AM
    #17
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    Check the bottle on the valvoline. It may be a suitable replacement. If not, then I would switch it out.
     
  18. Aug 18, 2009 at 11:35 AM
    #18
    NAAC3TACO

    NAAC3TACO Just east of crazy

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    Dexron II was replaced years ago with Dexron III. It should be easily available at any auto parts store.
     
  19. Aug 18, 2009 at 1:29 PM
    #19
    rab89

    rab89 [OP] Well-Known Member

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    well i'm all done, it still whines like a hoe and the steerig is kinda heavy. I guess i'll have to save up for a new pump!
     
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