Why does the transmission fluid have to be changed in a 2006 Jeep Liberty when the owners manual says the transmission fluid installed at the factory is good for the life of the car unless contaminated with water. Normal wear and tear on the transmission will make it dark... so why would the manufaturer write that in the owners manual?


Asked by Sep 16, 2014 at 02:55 PM about the 2006 Jeep Liberty

Question type: Maintenance & Repair

I took my Liberty to a Jeep Dealership and they told me because my tran. fluid was
dark it needed changing. Yet my owners manual says, under normal conditions it
should never need changing FOR THE LIFE OF THE VEHICLE unless contaminated
with water. They tell me that particles from the gears causes it to get dark so it needs
changing. Isn't that normal with all transmissions, fluid and gears? Why would the
maufacturers write that if it is not true? Do I ignore the manufacturers owners manual
and do what the dealerships tells me to get done?

3 Answers


If fluid is dark,then yea ignore it,by changing fluid now,could save you from having to replace it later on.The owners, manual was wrote by some one that cant, see the future,by changing bad fluid make,s tranny run better for you and get a longer life span.


Yes indeed change it, Jeeps are known for tranny trouble, I service mine every 30000 miles cause it is in severe use. So far no tranny problems it has 123,000 now. But I do not use the dealer after they messed up the getting the pan to seal with silicone sealer. I now do it myself and get a kit from NAPA. Just say no to silicone.

1 out of 1 people think this is helpful.

I think a lot of people will agree, that heavy or busy use isn't going to make a difference unless you have heavy mileage like I do. 200000+, when I had the filter and fluid changed. I don't know what others think but this is what I know and have been told by more than just mechanics

2 out of 2 people think this is helpful.

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