Gear oil

2002 FORD EXPLORER
150,090 MILES • V6 • 4WD • AUTOMATIC
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BINA12313
  • MEMBER
  • 1 POST
Wen doing a fluid change in rear differential do I need to add a additive to it when it's changed?
Oct 24, 2018 at 8:11 PM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning

No, all the additives necessary are already in the fluid you are adding to the differential.

Roy

Type

Front .................... Motorcraft SAE 80W 90 Thermally Stable 4X4 Axle lubricant

Rear .................... Motorcraft SAE 75W-140 Synthetic Rear Axle Lubricant
Capacities
Capacity

Front .................... 1.54L (2.7 pints) 9.56 mm (0.38 in)

.................... below the bottom of the filler hole

Rear .................... 2.60L (5.5 pints) (6-14 mm (1/4-9/16 in)

.................... below the bottom of the filler hole
Oct 25, 2018 at 3:43 AM
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