Where do I add transmission fluid

DOLFANDAVE

MEMBER
2004 MERCURY MOUNTAINEER
6 CYL
2WD
AUTOMATIC
87,000 MILES

I just drained and changed the transmission filter, but I noticed there is no dipstick to add the new fluid. So where exactly can I try to add the fluid?

Sunday, March 14th, 2010 AT 3:46 PM

4 Replies

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

The fluid is installed from the oil pan. Here are diagrams to help you see how to do the job:

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

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Tuesday, March 23rd, 2010 AT 7:41 AM

JSOUSE27

MEMBER
1 POST
2004 MERCURY MOUNTAINEER
75,000 MILES

I accidentally drained the transmission fluid instead of the oil when I was going to change the oil.

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Saturday, August 25th, 2018 AT 7:22 PM (Merged)

ARACHRISTINEDAVIS

MEMBER
1 POST
2004 MERCURY MOUNTAINEER
6 CYL
AWD
AUTOMATIC
96,000 MILES

How do you check the transmission oil in a sealed transmission? And can you replace the oil in a sealed transmission?

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Saturday, August 25th, 2018 AT 7:22 PM (Merged)

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

The transmission fluid can be checked for level. There is a bolt in the side that is removed. If the fluid comes out, level is okay. Service work should be done by a dealer.

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Saturday, August 25th, 2018 AT 7:22 PM (Merged)