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Thread: Td5 Auto slow to get going first thing

  1. #1
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    Td5 Auto slow to get going first thing

    When starting my td5 disco for the first time from cold the auto takes a few seconds to start moving in both forwards and reverse, almost feels like it needs to build up pressure before it starts to move, if I give it throttle it revs up a bit. Other than that it seems fine, once driven its fine for the rest of the day

  2. #2
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    Quote Originally Posted by 00quattro00 View Post
    When starting my td5 disco for the first time from cold the auto takes a few seconds to start moving in both forwards and reverse, almost feels like it needs to build up pressure before it starts to move, if I give it throttle it revs up a bit. Other than that it seems fine, once driven its fine for the rest of the day
    I'd say there's an oil leak internally in the Auto.
    Discorevy will have some insight as to what if he sees the post.

  3. #3
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    Mine does that too. I'm not sure why. I idle it in N for a short period before driving off and that seems to get the fluid to whereever it is meant to be.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  4. #4
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    Me too.
    Mine specifically when cold .. cold.
    eg. overnight if it's been high teens or say 20 degrees .. no problem.
    But if it's been low teens, maybe mid teens, does the same thing ... idle for 30sec in park or N .. and then no slipping sluggishness.
    If I idle it in Drive, it seems to build up it's pressure a bit quicker ... maybe 15 sec or so.

    If I go to work, and have it parked up for eg. 10 hours, weirdly, no problem again.
    But if I get home at say 12 or 1 am, then start it up again first thing in the morning (say 6 or 7 am) .. sluggish again.

    So it seems to be temp(cold) dependent or 'an overnight' thing???

    The other possibility of this strangeness is that my drive is on a very slight incline, maybe 5 degree, and I park it facing up the incline.
    At work my parking is usually pretty much flat.
    This is the only other anomaly that comes to mind in the differences in how it sits for a time and has this intermittent issue.
    Arthur.

    All these discos are giving me a heart attack!

    '99 D1 300Tdi Auto ( now sold :( )
    '03 D2 Td5 Auto
    '03 D2a Td5 Auto

  5. #5
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    Mine too, on two different autos.
    ​JayTee

    Nullus Anxietus

    Cancer is gender blind.

    2000 D2 TD5 Auto: Tins
    1994 D1 300TDi Manual: Dave
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    Nanocom, D2 TD5 only.

  6. #6
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    Quote Originally Posted by AK83 View Post
    Me too.
    Mine specifically when cold .. cold.
    eg. overnight if it's been high teens or say 20 degrees .. no problem.
    But if it's been low teens, maybe mid teens, does the same thing ... idle for 30sec in park or N .. and then no slipping sluggishness.
    If I idle it in Drive, it seems to build up it's pressure a bit quicker ... maybe 15 sec or so.

    If I go to work, and have it parked up for eg. 10 hours, weirdly, no problem again.
    But if I get home at say 12 or 1 am, then start it up again first thing in the morning (say 6 or 7 am) .. sluggish again.

    So it seems to be temp(cold) dependent or 'an overnight' thing???

    The other possibility of this strangeness is that my drive is on a very slight incline, maybe 5 degree, and I park it facing up the incline.
    At work my parking is usually pretty much flat.
    This is the only other anomaly that comes to mind in the differences in how it sits for a time and has this intermittent issue.
    It needs more sleep Td5 Auto slow to get going first thing

  7. #7
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    Fluid level is low.

    When cold the fluid takes longer to drain back to the transmission sump so you don’t get drive.

    Once warmed up fluid flows back quicker and life is good.

    So have you checked the fluid level?
    Cheers

    Simon
    2003 D2a TD5, ACE, SLS, Vienna Green.

  8. #8
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    Mine does the same, I've been told it's a weak t/c seal, also known as a lazy converter.
    If you don't like trucks, stop buying stuff.
    http://www.aulro.com/afvb/signaturepics/sigpic20865_1.gif

  9. #9
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    That seems very common issue but might be even normal in some cases cos first of all the Td5 is supposed to stay at idle after cold start for 15 seconds anyway, auto or not, i suppose that by analogy a similar theory like for the turbo applies to the autobox too:

    (from the WSM)
    "The engine should be allowed to idle for 15 seconds following engine start up and before the engine is switched off
    to protect the turbocharger by maintaining oil supply to the turbine bearings."

    Another thing is that if there is any current fault code which might not affect the driveability but it's there the ECUs need few seconds to restore a partially optimal default strategy(provided the fault is "compatible" with such thing)

    I've seen this symptom at some friends and it seems more common on the de-EGR'd vehicles which were not remapped for that and EGR fault codes are always there, in some cases resetting the TCU's addaptive values with nanocom or similar can help as well but at the end IMO it's something to live with as long as everything else works fine
    Discovery Td5 (2000), manual, tuned

  10. #10
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    As discorevy hasn't dropped by....

    I believe one of the main reasons for slow get away, is a damaged/scored fluid pump in the trans.

    Also the age of the seals used throughout the box.

    If the box is taking excessively long to pickup fluid, I'd say a rebuild of some sort is coming up.

    It's a pain, but on the plus side they can be rebuilt "better than new".

    One design flaw of the box is the lack of temperature sensor and pressure sensor.

    The failings of a lack of temp sensor are obvious.

    The lack of pressure sensor delivers slightly more obscure problems.

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