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car shudders in park S40-V40 2000

posted by  living in the past on  Sun Oct 23 06:05 CST 2011
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last visit: Wed Jan 29 05:42 CST 2014
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otherwise runs fine has been getting more pronounced over the last few week
eases up in neutral. have been doing the 4 qt atf drain and replace no difference.
reminds me of a presure relief valve releasing and closing and setting up a resonance.any ideas ? car has 190k








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    car shudders in park S40-V40 2000

    uid 5322's pic
    posted by  alschnertz on  Sun Oct 23 08:22 CST 2011
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    last visit: Fri Oct 24 10:32 CST 2014
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    My first idea is that your "4 qt atf drain and replace" is bad practice.

    The pan only holds about 2.5 quarts. So perhaps you've been overfilling the transmission by 1.5 quarts every time you do this. Considering that the transmission only holds about 8 quarts, you may be overfilling the transmission by almost 20%. This is a case where "more is NOT better".

    You really should use the dipstick as your guide for how much to fill the transmission.







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      car shudders in park S40-V40 2000

      posted by  living in the past on  Tue Oct 25 06:20 CST 2011
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      last visit: Wed Jan 29 05:42 CST 2014
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      All good places to start.
      Fluid level is right between the marks, I put 4 in because 4 came out of drain
      can not find a pan in the traditional sense.
      I am exploring motor mount or exhaust hitting
      good potential
      thanks








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        car shudders in park S40-V40 2000

        posted by  KlausC on  Tue Oct 25 10:01 CST 2011
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        last visit: Fri Oct 24 10:15 CST 2014
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        Unless you park on an incline without the Ebrake set, there should be no difference between P or N. If there is an incline, check the motor mounts and tranny mount.

        What are the rpms at idle? Are the spark plugs in good shape? Too black is an indication that there might be a vacuum leak.

        Klaus
        --
        Did you do your Random Act of Kindness today?







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