Black oil in front diff

bismillah · Dec 28, 2014

Hi guys, I have a little curiosity. Every time I check or change the oil in my Derfender 90 Td5 MY06's front differential see the oil always black (rear obviously no problem). The reason is clear: the grease that is present in the swivel passes in the differential's oil, or better, the differential's oil goes in the swiwels and mixes with the grease. The mechanic that checked and serviced the car first time (since that I always do it) said nothing to me and when I asked if it was normal he said yes. But I'm not convinced. Also happens to you? Is it normal? It should be fixed? I think to fix I should change the oil seal that is between the swiwels and the axes, right?

Thanks

Kwakerman · Dec 29, 2014

I don't think it causes any problems in normal use as earlier defenders didn't have the grease seal and the swivel / CV's were all lubricated with the same EP oil.

jamesmartin · Dec 29, 2014

bismillah said:
Hi guys, I have a little curiosity. Every time I check or change the oil in my Derfender 90 Td5 MY06's front differential see the oil always black (rear obviously no problem). The reason is clear: the grease that is present in the swivel passes in the differential's oil, or better, the differential's oil goes in the swiwels and mixes with the grease. The mechanic that checked and serviced the car first time (since that I always do it) said nothing to me and when I asked if it was normal he said yes. But I'm not convinced. Also happens to you? Is it normal? It should be fixed? I think to fix I should change the oil seal that is between the swiwels and the axes, right?

Thanks

its normal and replacing seals wouldnt change it

Black oil in front diff

bismillah

Member

Kwakerman

Well-Known Member

jamesmartin

Well-Known Member

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