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power steering works intermittently

Discussion in 'The Garage' started by colbystephens, Sep 9, 2006.

  1. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    why is it that i can't seem to get my p/s pump primed all the way? i had it out of the engine about 3500 miles ago, and it still screeches really bad when i'm not moving and am trying to turn the wheels. man, it pisses me off. makes a racket and makes parallel parking not so much fun. any thoughts?
     
  2. Rolled

    Rolled 1/2 ton status

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    My first thoughts are

    loose belt

    low fluid
     
  3. shane74

    shane74 1/2 ton status

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    Hey Colby. PS pumps are self priming/purging. I'd pull the belt off and check the pulley for play. If you have any play in it, the bearings in the pump are shot and it needs to be replaced. If not and it still screeches, I'd look at fluid level, belt tension, and maybe even replace the belt.
     
  4. y5mgisi

    y5mgisi 1 ton status

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    ya dude that seams to usually be the case with sqeeling belts, loose or glazed or both.
     
  5. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    My vote is for a bad pump.
     
  6. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    i don't think it's the belt - its nearly brand new (3k miles) and is tight... i don't want to deal w/ replacing the pump. that's a bummer.
     
  7. diesel4me

    diesel4me 1 ton status Premium Member

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    check this first..

    Your pump might have a sticky pressure regulator valve,or some crud blocking it once in a while..its biult into the "bung" the pressure hose screws into..

    Are the hoses new??..old ones sometimes get mooshy inside,and can act like a check valve or collapse and block the flow of fluid..I'm also thinking if the hydro-boost has problems,it might be restricting the flow of fluid..usually when a pump goes bad,it doesn't put out enough pressure ALL the time,and is most always accompanied by a loud whine or growl..a pressue gauge might aid in diagnosis..could be the steering BOX binding up too!.:crazy:
     
  8. y5mgisi

    y5mgisi 1 ton status

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    power steering pump 42.99 at thrifty auto supply
     
  9. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    u gonna hook me up if you still work there? :)
     
  10. clarkjw24

    clarkjw24 1/2 ton status GMOTM Winner

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    I changed two ps pumps on my rig after I did hydro steer. Before the swap it whinned and squeal also. Turned out the belt was loose. Although it didn't feel loose.
     
  11. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    for what it's worth, it was the pump. i replaced it tonite and it's nice and smooth! man, i haven't had good powersteering in almost 6 months. incredible concept - that powersteering!
     
  12. chopped&bobbed77burb

    chopped&bobbed77burb 1/2 ton status

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    Now you just gotta get the rear axle locked up on that Blazer so you can actully wheel it and not have to be yanked with a strap behind a camo burb over all the little rocks & obsticals :haha: . Speaking of which :wink1: did you ever get some tow hooks installed on your frame ? YOU need them !
     
  13. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    nope. no tow hooks yet. btw, i ran that trail again and was able to make it thru on my own power - tho it wasn't wet at all... speaking of you and wheeling - do you ever? :haha: are you going w/ me on the 11th? i've got another method that works ok for towing if i need it... you're right tho - i really want a detroit for that 14bff. :)
     
  14. chopped&bobbed77burb

    chopped&bobbed77burb 1/2 ton status

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    Money's a bit tight right now and I can't really afford to fill that 31 gallon fuel tank in the burb to just go play in the wood's . I've got to change the front spring bushing out so I can run larger bolts ( at the shackle ) . I seem to snap those 7/16 shackle bolts almost every time out :mad: . I always carry spares but it's getting really old :rolleyes: . At least I have a rebuilt front drive shaft now . I wonder how long that will last . I ran that same trail with the little sammy and it's got car tires on it and it's open front and rear :haha: . It was dry . We need to do Browns camp . I don't know what trail's are still open . Where are you off to this time ? I got some boulders delivered to my drive way so I have sort of been wheeling :haha: .

    onrockindriveway1.JPG

    onrockindriveway2.JPG
     
    Last edited: Oct 31, 2006

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