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99 LHS Steering rack confusion

Discussion in 'LH: Large Cars, 1993-2004' started by movinyou, Sep 14, 2020 at 3:21 PM.

  1. movinyou

    movinyou Active Member

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    Hello all, For a while on my LHS, I have had difficulty with the boost on left turns only. It isn't all the time. I replaced the pump, flushed the system and refilled w/ATF +4 with no change. I have always wondered if the solenoid valve on the rack isn't screwing with me but, I'll be damned if you can find a replacement. Anybody have any clues?
     
  2. ImperialCrown

    ImperialCrown Moderator
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    Does this have the speed-sensitive steering?
    I would replace the rack with a reman assembly. Check the inner tie-rod rubber bushings for deterioration and set toe-in.
     
  3. Tomguy

    Tomguy Well-Known Member

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    I am unsure if you can still get the speed-sensitive racks, but if you're talking about solenoid valves on the rack, it must, as the standard and Special racks (have the latter on my 99) are not speed-sensitive.
    In all my years yard picking, I never even bothered to look for one of those, as I imagine it'd need a wiring harness or something to plug in that I do not have on my non-speed-sensitive car. I wonder if unplugging it would potentially resolve?

    Otherwise, there could be binding in struts, and in the bushings for tie rod ends, but if it *ONLY* happens on one type of turn and only at low speeds (when the boost is supposed to be higher, I believe, and wouldn't be if your solenoid is stuck), then that may be the culprit.
     
  4. ImperialCrown

    ImperialCrown Moderator
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