meb

Well, Grave said it with more words than I did, but that's pretty good advice IMO. Just do it if you are not certain of the vehicles history.

jenbooks

Thanks all, and Gravedigger. Maybe I will wait for this particular guy to recover from his rotator cuff surgery. He was a FORD mechanic for 20 years, and it was a popular place. The NAPA auto guy who babies his gorgeous red truck uses him. He seems knowledgeable. So I can ask him to be sure to do it "The right way of doing it which I did was drop the pan and replace the filter then do the flush." Because I think that's what he does anyway--he's working out of his garage now. THANKS A MILLION appreciate this forum

rbrais

Ford says to change it every 30K, I believe. Mine was done for the first time when I got it at 77K.

techrep

iTrader: (1)

lmao...

techrep

iTrader: (1)

I do mine every 30K...how could performing the required servicing of the tranny cause problems...not doing it will cause problems...that's for sure

rbrais

Possibly if the pan is not dropped and the sludge is stirred up....? Probably comes from the same mechanics that put saw dust in the trans to make it run smoother.

techrep

iTrader: (1)

lmao..

GraveDigger85

The OP wasn't asking about the first 30K service on his transmission. He's referring to a transmission with over 100K miles and the fluid was never changed yet which can lead to problems either way you slice it whether you do it or not. Look into how old transmission fluid "holds" a transmission together when it comes to clutch packs and shifting when you completely flush all the clutch material out from it when it hasn't been changed in over 10 years/100K miles when its discolored and has a burnt smell to it due to poor maintenance. Normal service is one thing obviously.

jamesyarbrough

I changed mine at 125k. No catastrophe. Its running great. I think as long as the fluid looks good on the stick there is no reason to worry about a fluid change.
Lots of cars and trucks have manufacturer spec 100k fluid change now days....ford makes a few of them.

That being said, when ever I change the trans fluid on a car with 100k or more I add a bottle of lucas. The transmission shops around here swear by it....even for new (rebuilt) transmissions. Something about lower operating temps.....

Foogie

Fellas, new to the forum and first post. Also on Audi World. I don't buy into the 150,000 mile transmission service that's listed in my owner's manual. Normal operating temps at around 195F with surges over 200F when towing is too high...call me old school but I see nothing wrong with servicing the transmission, the right way by dropping the pan and replacing the fluid and filter. We use our truck to tow a 23' Cobalt Bowrider which with trailer is around 6000lbs and in Texas I'm sure I'll see over 200F when towing. That's too hot for any fluid to go 150,000 miles. The fluid will break down eventually. A little time and $$ maintaining your transmission will pay dividends later on if you plan on keeping your truck past the 3/36k warranty 5/60k powertrain. Lifetime fluid simply means it's good until the transmission fails be it at 60k or 300k. Just my .02.