Changing fluids
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Mountain Pass
Joined: Apr 2024
Posts: 110
Likes: 6
From: Beaumont California
Changing fluids
Ok I was watching a video on YouTube saying you should get you differential fluid and transmission changed every 30-60000 miles so I called ford and they said every 150000 miles I have a 6.7 diesel in it but 150000 seems like it's a bit long just like changing oil every 10000miles is to long for me any ideas thanks
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Mountain Pass
Joined: Apr 2024
Posts: 110
Likes: 6
From: Beaumont California
Changing fluid
Laughing Gas
Joined: Jul 2011
Posts: 810
Likes: 494
I did my engine oil, transfer case, and rear axle at around 1,500 mi. Did engine oil again at 5,000 and every 5,000 since.
I’ll do the front axle sometime this summer (truck has 23,xxxmi), and transmission at 50,000 prob.
I’ll do the front axle sometime this summer (truck has 23,xxxmi), and transmission at 50,000 prob.
Logistics Pro
Joined: Sep 2002
Posts: 4,411
Likes: 1,016
From: Central KY
I changed my trans filter at 81k miles. It took almost 9 quarts of Mercon LV to refill to correct level. At 91k miles I drained again (didn't remove the pan this time) to get more of the old fluid out and only had to put in 6 quarts to refill to correct level. So apparently the filter/pan holds almost 3 quarts of fluid that won't drain. I found that interesting.....
At this point I've got 15 quarts of fresh LV in the trans, so now I'll start doing it every 50k miles. Probably will wait and hit the next interval at 150k even to make it easier to remember.
At this point I've got 15 quarts of fresh LV in the trans, so now I'll start doing it every 50k miles. Probably will wait and hit the next interval at 150k even to make it easier to remember.
Cargo Master
Joined: Jul 2011
Posts: 2,670
Likes: 975
From: Walpole, MA
Ok I was watching a video on YouTube saying you should get you differential fluid and transmission changed every 30-60000 miles so I called ford and they said every 150000 miles I have a 6.7 diesel in it but 150000 seems like it's a bit long just like changing oil every 10000miles is to long for me any ideas thanks
Cross-Country
Joined: Jul 2006
Posts: 60
Likes: 25
I like to change the rear for the first time at 10k. Every 30-50k beyond that. Front dependent upon use. Xfer every 50k.
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More Turbo
Joined: Jan 2016
Posts: 574
Likes: 39
Not related to the super duty but the wife's explorer manual states transmission fluid change at 150K. It currently has about 135K on the clock. I went into Ford have the transmission fluid changed and the Ford service guy said they won't touch it if the transmission fluid has not been changed before 100k. He stated they have been experiencing transmission issues if the transmission fluid was not changed before 100k. Maybe a selling tactic to get me to buy a new vehicle, I don't know. Just wanted to give my two cents.
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