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 Post subject: Gearbox oil change
PostPosted: Wed Apr 21, 2021 2:43 pm 
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Clubman

Joined: Sat May 18, 2019 9:39 pm
Posts: 58
Location: Herefordshire
Car Model: ST185 CS/RC
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.


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 Post subject: Re: Gearbox oil change
PostPosted: Wed Apr 21, 2021 8:59 pm 
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Group B
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Joined: Sat Sep 02, 2006 3:13 pm
Posts: 3679
Location: Bournemouth
Car Model: None
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.

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 Post subject: Re: Gearbox oil change
PostPosted: Thu Apr 22, 2021 2:46 pm 
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Clubman

Joined: Sat May 18, 2019 9:39 pm
Posts: 58
Location: Herefordshire
Car Model: ST185 CS/RC
Thanks Chris, just wanted to make sure I didn't end up with a load of scrap metal.


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