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Stock diff breathers - how d'you know they're working correctly?
13 Nov 2023 17:12 #252096
by 300bhpton
Replied by 300bhpton on topic Stock diff breathers - how d'you know they're working correctly?
I think they are like the breathers on a Series Land Rover. A little pressure style valve cap, that can vent excess pressure. If you plan any sort of wading I'd be tempted to fit extended breather pipes however. While the cap should close, if stuck open or rapid cooling of the diff due to be submersed, they can act as a vacuum and suck in water.
If they are stuck closed I'd expect an oil leak due to pressure build up.
If they are stuck closed I'd expect an oil leak due to pressure build up.
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- Roger Fairclough
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13 Nov 2023 21:24 #252106
by 300bhpton
Replied by 300bhpton on topic Stock diff breathers - how d'you know they're working correctly?
I haven’t looked at the ones on the Jimny. But I’d be surprised if they are springy. As I understand it they operate like a valve. So under pressure would open and be closed without pressure. If there is any spring it would be pulling them open, not pushing them closed. Happy to be corrected if I’m wrong though.
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