Rough gear change from 2 to 3 and 3 to 2. 4.2 SC
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Thread: Rough gear change from 2 to 3 and 3 to 2. 4.2 SC

  1. #1
    FRESHMAN ROVER
    Join Date
    October 20th, 2016
    Location
    Wiltshire
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    5

    Rough gear change from 2 to 3 and 3 to 2. 4.2 SC

    Hi, really hope someone can help me I'm suffering with really rough clunky gear change from 2 to 3 and back down. It got a lot worse the other day when I used the HDC, it gets much worse when the gearbox has warmed up.
    Any help would be much appreciated, I'm away on holiday in the lake district over Christmas and it can't be doing the car much good.

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  3. #2
    JUNIOR ROVER Flash G's Avatar
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    February 8th, 2007
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    Hollywood Hills
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    Re: Rough gear change from 2 to 3 and 3 to 2. 4.2 SC

    Are you sure it's not 1-2 and 2-1? That's a very common problem on 06-09 cars.
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  4. #3
    LEGACY VENDOR
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    August 15th, 2006
    Location
    Blackburn, UK
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    Re: Rough gear change from 2 to 3 and 3 to 2. 4.2 SC

    Assuming that it is the 2-3 & 3-2 shifts which are problematic, and bearing in mind that the majority of issues with the 6HP26 are caused by failing solenoids, I would be tempted to try swapping out the EDS 2 (B clutch) & EDS3 (C brake) solenoids (the B clutch & C brake are being exchanged during the 2-3/3-2 shift).



    Note that the yellow cap solenoids (EDS 1, 3 & 6) have a rising pressure characteristic with current and for the blue cap solenoids (EDS 2, 4 & 5) the pressure reduces with increasing current.

    Phil

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  6. #4
    FRESHMAN ROVER
    Join Date
    November 29th, 2017
    Location
    Los Angeles, CA
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    Re: Rough gear change from 2 to 3 and 3 to 2. 4.2 SC

    Quote Originally Posted by Flash G View Post
    Are you sure it's not 1-2 and 2-1? That's a very common problem on 06-09 cars.
    Old thread I know, but could you elaborate on this? I did a search but didn't see much of a pattern (though it did get me here).

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