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Need some help with P/S

Discussion in 'The Hokey Ass Message Board' started by Hot Rod Bob, Sep 15, 2012.

  1. Hot Rod Bob
    Joined: Mar 21, 2007
    Posts: 1,146

    Hot Rod Bob
    Member
    from T-ville Ky

    Working on a 29 Dodge 4 passenger coupe that has been set up with Mustang II suspension with power rack, it has a Chevy 350. The problem is when I start the eng the steering thrashes back and forth on its own.I have replaced the p/s pressure valve with one that is suited for the mustang rack (supposedly) to create less pressure. Any other Ideas other than being Demon Possessed [​IMG] Thanks Guys... Bob
    I also checked to make sure it is not hooked up backwards.
     
  2. DoubleJ52
    Joined: Jul 15, 2007
    Posts: 238

    DoubleJ52
    Member
    from Belton, MO

    I know you said the lines were hooked up correctly, but that is usually what causes this. Or the hard lines on the rack itself are backwards.
     
  3. Retrorod
    Joined: Jan 25, 2006
    Posts: 1,989

    Retrorod
    Member

    Sounds like the rack has an internal problem.
     
  4. Hot Rod Bob
    Joined: Mar 21, 2007
    Posts: 1,146

    Hot Rod Bob
    Member
    from T-ville Ky

    THE HARD LINES ON THE RACK WHERE HOOKED UP BACKWARDS! :eek: THANKS MAN
     
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  5. Tom S. in Tn.
    Joined: Jan 16, 2011
    Posts: 1,108

    Tom S. in Tn.
    Member

    I always enjoy reading these. Never too old to learn something, if I can just remember it at this stage of the game. Tom S. in Tn.
     
  6. BadgeZ28
    Joined: Oct 28, 2009
    Posts: 976

    BadgeZ28
    Member
    from Oregon

    I had the same thing happen. Had to ask the same question.:D
     
  7. Sounds like you solved your problem, but when you open up a system for new hoses/pump/rack; it is good to turn the wheel back and forth numerous times with engine off to help purge air out of the system. Sometimes the air can cause the rack to slam to one side. Purging first will minimize this problem.
     
  8. Hot Rod Bob
    Joined: Mar 21, 2007
    Posts: 1,146

    Hot Rod Bob
    Member
    from T-ville Ky

    You are absolutely correct, and I did purge the system this time. I was surprised at how much air was trapped in the system.
     

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