brianp38dse said:

Was the fluid topped up using the correct procedure, engine running run through gears then check

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feyniriel said:

Hey, my automatic gearbox has been grinding in reverse for a while now, it also jolts quite rough when shifting gears and when driving it for 5+ hours without breaks it gives gearbox fault beep and goes into limp mode. We've filled it up with oil, when I bought the car there was 2 liters of oil missing for some reason. It's full of oil now, we checked multiple times. There's a small handbrake oil seal leak that I'll change, but after topping it off, it hasn't leaked for 5000+km. Could it just be needing a proper oil change? Going to a specialist soon to get it looked at, but kind of dreading if it might be an internal problem within the gearbox..

Has anyone had similar symptoms before?

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Datatek said:

Did you use the correct filling procedure? Engine and transmission cold, engine idling, move through all gears & back to neutral, top up until fluid just dribbles out of the filler plug or, if you have a dipstick is at the correct level on the stick.
Any oil in the transfer box?

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feyniriel said:

I think I will replace the gearbox oil altogether and change the filter to see if the sound and jerking gets better. Does anyone have a recommendation for the oil? Thanks!

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feyniriel said:

I think I will replace the gearbox oil altogether and change the filter to see if the sound and jerking gets better. Does anyone have a recommendation for the oil? Thanks!

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feyniriel said:

We did an oil change on the gearbox. Out came around 5 liters of brown oil and we only managed to put in 5 liters. We did this while the gearbox was cold, went through all the "gears" multiple times until oil overflowed. Doesn't this seem like a small amount, shouldn't it take in way more oil? The dry capacity should be 9,7l. We only went through the gears on the high-range side, not the low-range but I understood that shouldn't make a difference.

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feyniriel said:

So the gearbox is still grinding in reverse..

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Datatek said:

Somehow, I doubt it's the gearbox, maybe the whole lot is moving on the mounts when reversing and touching something. Another thought, does the parking pawl hold the car on a slope? Is the selector cable stiff? Does it grind if you go from Drive to Reverse or just from Park to reverse?

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feyniriel said:

We did an oil change on the gearbox. Out came around 5 liters of brown oil and we only managed to put in 5 liters. We did this while the gearbox was cold, went through all the "gears" multiple times until oil overflowed. Doesn't this seem like a small amount, shouldn't it take in way more oil? The dry capacity should be 9,7l. We only went through the gears on the high-range side, not the low-range but I understood that shouldn't make a difference.

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Grrrrrr said:

Brown does not sound good. I'd be tempted to CHICK in some transmission fix, do 200 miles then change again. It'll take 2 or 3 changes to get all the brown out if it has been that bad.

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