I am replacing the gear lube in my back axle with synthetic

Tiny
TRLOUKS
  • MEMBER
  • 2005 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
I am replacing the gear lube in my back axle with synthetic. How much lube do I need to buy to do it?
Thursday, June 3rd, 2010 AT 8:19 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,810 POSTS
It is based on the size of the differential. If it is a 8.8 or 9.75" it takes 5.50 PTS. If it is the 10.25" it takes 6.50 PTS.

Both use SAE75W - 140 Synthetic Rear Differential Oil.

Let me know if you have other questions.

Joe
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Monday, May 17th, 2021 AT 1:20 PM

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