Member Since: 16 Nov 2023
Location: Hampshire
Posts: 7
Front and rear diff oil change
I have just changed the front and rear diff oil on my Disco 3 4.4V8. The front oil didn’t look too bad but the rear looked brown and horrible. The plug also had a bit of sludge buildup and some swarf (no large chunks) I am not sure this oil has even been changed in 110,000 miles. Fresh oil went in no issue but I have now noticed a whine/hum from about 60mph. Has anyone experienced this before? Do you think it’s worth changing it again as a kind of flush seeing as it was so bad?
2nd Mar 2025 12:56 pm
rrhool
Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4652
I wouldn't waste the oil by changing it again. Unless there was metal in the old oil, it should be fine. If you've used a quality oil, leave it in.Richard
D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.
Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone
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