Hi all, recently bought a 2004 td5 Defender so going through the usual routine of changing all the fluids etc, and on draining the rear diff oil it was a very light milky brown colour, and it was well above the level.
I know this means water in the oil, and with the level being so high I'm guessing a lot of water, But I thought the diff was a sealed unit?
How did the water get in there?
Are there any checks I should carry out or just refill it?
Should I change the oil again soon?
Cheers!

hey I have also just purchased a 2004 defender TD5 , what mileage is yours on? , it could be that's its gotten in through the breather pipe as they are crap push ons on TD5 , they tend to let water in at the bottom if sat in water for a while

piccy of mine

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Check the breather as said, or better still change them for the screw in type.

Here it is! On 104,000km