Fluid change intervals

boylanp

New member
I was looking through my service schedule the other day and was somewhat surprised at the length of time between change interval, specifically transmission and differentials. I have the 6f55 AWD transmission, and is not recommended to be changed until 150, 000 miles. Has anyone got that many miles out of theirs yet?
 

Lvnmarks

quandoomniflunkusmoritati
Are you sure it is for the transmission and not the transfer case? With today's synthetics, it is possible.

I personally wouldn't wait that long though, new oil never hurt anything.
 

steve

With "LOD" Since 1997
It's possible, but i would think it depends on how it is driven and in what climate.
 

beerdog

New member
My MKZ has a ZF auto trans with no pan to allow filter changes. I will look up my fluid change intervals tomorrow for comparison. I took it in to the Ford dealer for a flush last year. The service advisor told me they don't even recommend changing trans filters anymore because the new flush machine flush it in both directions and clean the filter. I am not sure I completely guy that.
 
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