How to add differential gear oil?

MATTHEW SCALLORN

MEMBER
2011 LINCOLN MKS
3.7L
6 CYL
2WD
AUTOMATIC
121,000 MILES

My car is leaking differential gear oil through I think a failed driveshaft/CV seal where it connects to the differential.
I attached a photo which I believe is the "Drain" plug but am unsure, any help would be appreciated before I destroy my differential until I can get it into the shop.

Image (Click to make bigger)

2 Replies

MATTHEW SCALLORN

MEMBER
2 POSTS

Here's the picture of the plug I think is the for the drain.

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Monday, April 12th, 2021 AT 5:51 PM

JACOBANDNICKOLAS

MECHANIC
109,724 POSTS

Hi,

That looks like an inspection plate. Is that where the leak is being noticed?

As far as the drain, it is an actual plug not a plastic cover. If you look at the pic I attached below, I highlighted the drain plug and circled what you have in your pic.

Also, this vehicle shouldn't have differential fluid. Everything is part of the transaxle. Is the fluid you see red in color?

Let me know.

Joe

See pic below.

Image (Click to make bigger)

How to add differential gear oil?

2 Replies

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