| Re: My 2000 Disco had water in the rear diff..what gives? Posted by PeterW on August 19, 2004 at 03:17:33: In Reply to: My 2000 Disco had water in the rear diff..what gives? posted by Jamie on August 18, 2004 at 17:48:32: On the top of the axle housing assemblies you have a round breather that is supposed to open as the internals heat up to allow the excess pressure to escape. The breather caps are slightly weighted so they will seal under their own weight. If they don't seal closed, when you drive through water that goes over the assembly, it will cool the axle assembly, cause a low pressure and draw water in via the non sealed breather. Most serious four wheel drivers fit an extension hose over the breather and take it up high so if it fails to seal, all it does is draw in air. This goes for the trans as well. HTH PeterW
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