Vehicle & Technical > Discovery

Auto Box seems to be slipping.

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remmy7:
Hi all'

Sorry to hijack this thread but it seems to fit my current problem. Its been a while since I last posted because all has been going well with my disco(approx 10000m trouble free). The problematic missfire was cured when I fitted a set of new plugs (the type with the four electrodes) if this was all that it was I could have saved myself a fortune.

Anyway my current problem is that my 2000 model v8 auto also seems to have a slipping box. It only manifests itself when I start up in the morning and for a few seconds doesnt move. Once it has moved a few hundred yards or so all seems fine although I am not convinced it is now transmitting the power as it should. The whole thing is due a service ( although I am using the best part of half a litre of engine oil per 1000m since the engine rebuild). My question is the same as above. Will a change of ATF (it hasnt been done for at least the 40000m I have owned it) cure the apparent slip as when using it off road I really miss the instant response ( still can beat the manual box for this)

Regards Remmy7

Budgie:
Well it seems to have done the trick in my case as I've not had the problem since the first oil change.
At 40k I would think that the ATF would be past it's best and a filter change would also help alot.  :wink:

remmy7:
Hi Budgie

Thanks for that, I shall get onto it soonest, I presume it is a fairly simple task and there is not a shock in store (please note I said presume)

Thanks again Remmy7

Budgie:
Just changing the ATF is straight forward. Drain the old stuff out and refill through the dip-stick shaft. Measure the amount that you drain out and refill nearly the same amount. Then start the engine, put it in "N" and check the level, topping up as required.

Changing the filter is a little more involved as you need to remove the sump on the auto box to get at it. On my 300 series Disco it's easier to remove the crossmember under the auto box to allow access to the sump.

Range Rover Blues:
What Budgie said.  TBH I'd advice the filter though, it may well prove to be worth the effort.

Budgie, that plug sounds like the EFi water temp sensor.  Try unplugging the ECU for 5 minutes, it resets the faults, then try it for a few days.

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