Rpm rises as turning steering wheel
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Rpm rises as turning steering wheel in Past Cadillac Vehicle Discussion; I don't know if this is normal... I've only driven a few different cars so I have to ask. At ...
  1. #1
    eldorado_sean's Avatar
    eldorado_sean is online now Cadillac Owners Fanatic
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    I don't know if this is normal... I've only driven a few different cars so I have to ask. At a stand still whenever I turn my wheel, quarter turn or full lock to lock turn my rpm rises 100-300 rpms.

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  3. #2
    JimD is offline Cadillac Owners Connoisseur
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    Re: Rpm rises as turning steering wheel

    Quote Originally Posted by eldorado_sean View Post
    ....At a stand still whenever I turn my wheel, quarter turn or full lock to lock turn my rpm rises 100-300 rpms.
    That is exactly as the GM/Cadillac engineers intended. In all the years I have been reading several Cadillac forums, yours is the first post I've seen regarding the RPM bump (300 RPM is the high side of the correction) when the steering wheel is turned while the vehicle is not moving.

    That condition can be expected during parallel parking maneuvers (who parallel parks in 2013?). The power steering fluid pressure requirement is maximum when the vehicle is not moving. GM/Cadillac powertrain and GM/Cadillac suspension engineers decided that Cadillac drivers should not be inconvenienced by even the slightest reduction of power steering assist when the pressure requirement was the greatest. Adjusting the idle speed was the method of preventing the idle RPM from sagging due to the heavy load imposed by the power steering pump.

    Congratulations on being observant enough to notice.

  4. #3
    eldorado_sean's Avatar
    eldorado_sean is online now Cadillac Owners Fanatic
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    I'm not sure if its sarcasm or you're actually congratulating me. Hehe and is there a way to delete a post that you wrote?

  5. #4
    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    Only mods can delete posts and threads.

  6. #5
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Rpm rises as turning steering wheel

    JimD is NEVER sarcastic. He is dead nuts factual, no smoke.

    Which post, and where is it - the delete question.

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