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7th January 2021, 16:33 | #1 |
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ATF fluid level wrong?
I replaced my V6 autobox cooling radiator (I was replacing the main radiator, and the autobox radiator, whilst not actually leaking was really shonky looking and missing a lot of fins). I drained the old ATF out of the old radiator to give me some idea of how much I should put back (about 750 ml). Following the instructions on topping up the autobox to the absolute letter (correct temp, engine running, each gear selected in term). I removed the level plug (14mm hex on my 2005 car, engine still running) and nothing came out. So I poured some more ATF fluid in (750 ml), still nothing. More fluid (250 ml this time), still nothing out the level plug hole, poured some more in (another 250 mil) , still nothing. I checked that I had removed the right plug (I definitely had).
Before I started all this, the gearbox was absolutely fine (smooth changes etc.) so I assume level was at least somewhere near. So: Where is all the fluid going? (no obvious leaks anywhere) Do I just keep filling the box until I get something out of the level plug hole because it just doesn't feel right (am I being overly cautious?) |
7th January 2021, 18:43 | #2 |
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WHAT ARE YOU USING FOR A LEVEL PLUG? Hope you are using the plug on the bottom of the box and not the plug on the back of the box.
Kev Last edited by Kev75; 8th January 2021 at 17:12.. Reason: spelling |
8th January 2021, 13:45 | #3 |
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ATF fluid wrong
Thank you for your response Kev - I am sure that I've got the right plug - initially I had my doubts as it is a 14mm hex rather than the allen head cited by Haynes manual but (as far as I can ascertain) the plug design does differ depending on the age of the box. It is the only horizontal plug that is in the right position and I have checked time and time again (self-doubt may be a terrible thing but it has stopped me going tragically wrong on more than one occasion).
I suppose my next option is to take the car to an auto gearbox specialist and get them to check the level... |
8th January 2021, 14:06 | #4 |
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Here's your next option Andy.
You say that you've replaced the 0.75 litres lost during the cooler replacement. You then added a total of 0.5 litres with nothing draining from the level plug. MG Rover's Technical Bulletin TB0080 Issue 1 says this: If no fluid loss was apparent when level plug was removed, add additional fluid in 1 litre quantities until fluid begins to drain. So try adding another 0.5 litres at least. Simon
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8th January 2021, 14:06 | #5 |
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See pics on thread 16 and 24 of this post:-
https://www.the75andztclub.co.uk/for...=124816&page=2 Not sure if this is the same on your model.
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8th January 2021, 14:28 | #6 |
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The Allen bolt was replaced by the 14mm hex bolt on later cars.
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8th January 2021, 15:41 | #7 |
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ATF fluid wrong
Thank for your suggestions - I'll try the refilling business again -
some more crawling around on the floor in the cold is called for! |
8th January 2021, 17:08 | #8 | |
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Quote:
This any help ???????--- |
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17th January 2021, 16:45 | #9 |
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ATF fluid - operator error
Long story short - by following the advice on this forum (once again) I have now successfully topped the auto gearbox.
Some things I learnt along the way: apparently my neighbours (who are all on lockdown) are as bored as I am but don't have the benefit of a Rover 75 to mess with. So instead, they feel obliged to come and talk with me whilst I'm working on the car - Without wishing to sound churlish, I don't have the greatest attention span anymore and I find that their well-meant attempts at conversation often distract me from what I'm doing. Now I'm not saying that's the reason why I turned the car engine off without replacing the gearbox level plug but that's what I did- obviously the ATF that was busy whizzing around the box then just emptied on the ground. Fortunately I have a cat and therefore access to cat litter which does a great job of soaking up the ATF slick on my driveway (the fact that the ATF is cherry red the resultant scarlet pool meant it looked like I had committed a particularly nasty murder). Anyway, apart from the loss of some ATF and yet another stain on the driveway there was no harm done and I now have the correct level of fluid in the box. All I have to do now is sort out why the cooling fan is behaving so oddly... |
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