Can the P/S pump be run without fluid?

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  • Cyrix2k
    E30 Addict
    • Mar 2010
    • 593

    #1

    Can the P/S pump be run without fluid?

    Or it will it lock up? I need to get my '91 aligned and it currently has the p/s pump installed without any lines attached. Does the pulley spin on sealed bearings or does it use the p/s fluid to lubricate the whole pump?
    1997 540i/6 - stock
    1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
    1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDs
  • willworkfore30s
    E30 Enthusiast
    • Aug 2011
    • 1090

    #2
    It will burn it up, remove the belt to the pump. I'm not sure about an m20 but on an m42 there is a belt just for the p/s pump.
    sigpic

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    • Cyrix2k
      E30 Addict
      • Mar 2010
      • 593

      #3
      Originally posted by willworkfore30s
      It will burn it up, remove the belt to the pump. I'm not sure about an m20 but on an m42 there is a belt just for the p/s pump.
      Sorry, it has an M50 in it so it's on the serpentine belt. I'll have to pick up another p/s delete belt and remove the pump.
      1997 540i/6 - stock
      1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
      1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDs

      Comment

      • Exodus_2pt0
        R3V Elite
        • Dec 2011
        • 5943

        #4
        It will turn into an idler real quick, then once the fluid dries up from heat, it will fall apart.
        No E30 Club
        Originally posted by MrBurgundy
        Anyways, mustangs are gay and mini vans are faster than your car, you just have to deal with that.

        Comment

        • Cyrix2k
          E30 Addict
          • Mar 2010
          • 593

          #5
          Originally posted by Exodus_2pt0
          It will turn into an idler real quick, then once the fluid dries up from heat, it will fall apart.
          Lol, ok. I'd be fine with it functioning as an idler, but falling apart or seizing is a no go.
          1997 540i/6 - stock
          1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
          1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDs

          Comment

          • hooken m
            E30 Mastermind
            • Sep 2010
            • 1537

            #6
            just remove it anyways and get a shorter belt. do it right
            Originally posted by evandael
            a car is a car. call it a dildo, i'd still drive the hell out of it.

            Comment

            • Cyrix2k
              E30 Addict
              • Mar 2010
              • 593

              #7
              Originally posted by hooken m
              just remove it anyways and get a shorter belt. do it right
              already done :) I was just asking because I'm in a time crunch right now and it's a short drive to the alignment shop.
              1997 540i/6 - stock
              1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
              1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDs

              Comment

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