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Old 24-02-2020, 03:41   #1
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Borg Warner oil leak at control lever
I have a borg Warner transmission 70c / 71c leaking transmission oil from the gear leaver.
The leak is quite substantial when underway and needs immediate attention

In the manual i can see there is an o-ring part no 4804H I suppose this is the culprit leading to the leak.
Does anyone know the size in mm of this o-ring ?

Additional thoughts appreciated
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Old 24-02-2020, 09:41   #2
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Re: Borg Warner oil leak at control lever
It is a #210, or

Width 0.139"
ID- 0.734"
OD- 1.012"
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Old 24-02-2020, 14:28   #3
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Re: Borg Warner oil leak at control lever
Thanks, replaced, tested and no more leak!
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