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Disco 2 Auto "hunting for gears"

Discussion in 'Land Rover Discovery' started by ianb4310, Nov 22, 2012.

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  1. ianb4310

    ianb4310 Active Member

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    Hi driving my d2 today when on cruise at low speeds I noticed it hunting for gears
    It's a chipped 2001 so I know the torque curve is different but I never noticed it until today
    Just wondered if its normal or start of a problem with the auto box
     
  2. HenryD

    HenryD Active Member

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    What sort of milage has it done and when was the gearbox oil/filter last replaced ?
     
  3. ianb4310

    ianb4310 Active Member

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    Mileage is 132k not sure about g/b oil n filter but last services 5k ago
     
  4. HenryD

    HenryD Active Member

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    Its got be worth changing the gearbox oil and filter,if the filter is partially blocked it could cause the problem you are having.
     
  5. eightinavee

    eightinavee Well-Known Member

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    Is the engine running properly ? Often autoboxes are blamed for problems that are there as a result of the engine performing badly.
     
  6. MGBGTV8

    MGBGTV8 Active Member

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    Have you checked the oil level in the box?
     
  7. ianb4310

    ianb4310 Active Member

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    Engine runs great,oil level looks ok I'm going to change along with filter this weekend see what effect that has
     
  8. sierrafery

    sierrafery Well-Known Member

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    Worth a try(from RAVE):

    Stall test

    Testing
    1. Chock the wheels and fully apply the
    handbrake.
    2. Start the engine and run it until it reaches
    normal operating temperature.
    3. Apply the footbrake and select 'D'.
    4. Fully depress the accelerator pedal and note
    the tachometer reading. The figures should be
    as given below. Do not carry out stall test for
    longer than 10 seconds, and DO NOT repeat
    until 30 minutes have elapsed.
    l V8: 2200 to 2400 rev/min
    l Diesel: 2600 to 2800 rev/min
    5. A reading below 1300 rev/min indicates a
    torque converter fault, ie stator free-wheel.
    6. A reading between 1300 and 2200 rev/min (V8)
    or between 1300 and 2600 rev/min (Diesel)
    indicates reduced engine power.
    7. A reading above 2400 rev/min (V8) or above
    2800 rev/min (Diesel) indicates clutch slip.
     
  9. sabredylan

    sabredylan New Member

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    What speed was the cruise control set to maintain?
     
  10. ianb4310

    ianb4310 Active Member

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    50mph i know it doesn't lock in till 53mph but I'm not sure what it feels like when it does lock up
     
  11. thebiglad

    thebiglad Well-Known Member

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    It feels like another gear change and the revs drop roughly 5-600rpm.
     
  12. ianb4310

    ianb4310 Active Member

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    Yeah that's it
     
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