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  • Steering: Power Steering Problem.

    I know this is a technical question, and the steering is in a '47 M5, but it's to do with a Ford Aero power steering servo and a GM pump. I recently took delivery of the M5 from Fred Martin in Atlanta, great guy, and a great truck. I encountered the problem getting it on to the trailer from the shippers, the steering is very stiff, I mean REALLY stiff, almost as if it's locked. I emailed Fred and he said he had it 'freeze' up on him twice before, and had intended to replace the GM pump with a Ford pump, (that he kindly packed in the truck for me).

    But I was thinking, before I got changing brakets and hoses etc, there must be some simple, after all it;s a hydraulic pump same as the Ford pump. Have any of you got some ideas, maybe a pressure problem that could be fixed with a different relief valve spring ???
    Matt
    Brisbane
    Australia
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    Visit my Blog: http://www.mattsoilyrag.blogspot.com.au/

  • #2
    Does it stop doing it when it is warmed up? If it does it has "morning sickness" and needs a new R&P box.

    Terry

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    • #3
      Originally posted by dictator27 View Post
      Does it stop doing it when it is warmed up? If it does it has "morning sickness" and needs a new R&P box.

      Terry
      I've only driven it a very short distance, the engine was warmed, but probably not the steering system. From what the previous owner said it sounds like temp doesn't play a part in the problem.

      I'm going to copy this thread over the Stude Specific section for those that don't read the Stove Huggers section.
      Matt
      Brisbane
      Australia
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      Visit my Blog: http://www.mattsoilyrag.blogspot.com.au/

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      • #4
        So we are dealing with a Ford Aerostar Van setup here? That limits our knowledgeable info somewhat.
        StudeRich
        Second Generation Stude Driver,
        Proud '54 Starliner Owner
        SDC Member Since 1967

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        • #5
          Matt, The GM pump pressure is greater than needed for the Ford R&P. Click on the links below for a solution.

          http://www.summitracing.com/search/B.../?autoview=SKU

          OR


          http://www.speedwaymotors.com/Mustan...-GPM,5852.html
          Last edited by 31Streetrod; 12-15-2011, 10:58 AM.

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          • #6
            Originally posted by StudeRich View Post
            So we are dealing with a Ford Aerostar Van setup here? That limits our knowledgeable info somewhat.
            StudeRich - We don't have Ford Aero's here, so I guess you would be right. I'll email the previous owner and ask some more questions.

            31 Streetrod - Thank you, it looks like you may have solved my problem. I'll pull the pump before I go getting excited and order the parts. 12000 miles is a long way to change them if they're the wrong ones ;-)
            (Both web sites say it's for a GM pump & Mustang steering set up, will this still be the same fix for a Ford Aero steering?)



            Thanks guys, I knew the Stude brains trust could help.
            Matt
            Brisbane
            Australia
            sigpic

            Visit my Blog: http://www.mattsoilyrag.blogspot.com.au/

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