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Gearbox oil change
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Author:  Jarsee [ Wed Apr 21, 2021 2:43 pm ]
Post subject:  Gearbox oil change

I decided to change the gearbox and diff oil on my ST185 RC. The diff took just over a litre as expected but after draining the gearbox and transfer box I was only able to get just over 4 litres in but the specs indicate that it should need 5.2 litres. I understand that filling the geabox drains into the transfer case so left it an hour to see if I could get any more in but the oil was still up to the filling plug.
Does the car need to be driven to circulate the oil and then re-checked? Any advice would be appreciated.

Author:  Nibbles [ Wed Apr 21, 2021 8:59 pm ]
Post subject:  Re: Gearbox oil change

From the wording it looks like you know there are 2 drain plugs and 1 filler plug.

There is a fair bit of oil in the cooler circuit which doesn't drain. The quoted 5.2 litre is a fill from completely emptied. If I'd got 4 litres in a change I wouldn't be worried.

Author:  Jarsee [ Thu Apr 22, 2021 2:46 pm ]
Post subject:  Re: Gearbox oil change

Thanks Chris, just wanted to make sure I didn't end up with a load of scrap metal.

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