transmission flush
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
When are we supposed to change transmission fluid?
I looked in the diesel engine manual and it states to refer to the owners manual.
The owners manual reports 30,000 miles except for TorqShift transmission.
Endless loop...
I looked in the diesel engine manual and it states to refer to the owners manual.
The owners manual reports 30,000 miles except for TorqShift transmission.
Endless loop...
Cargo Master
Joined: Aug 2010
Posts: 3,228
Likes: 64
Do you have 100,000 miles towing?
The manual specs are a fluid change at 150,000 miles, regardless of towing.
Unless you have a problem, or for some reason have already removed the factory fill trans fluid why do it?
Once you remove the factory fluid your change interval drops dramatically.
Page 431 of the 2011 Owners guide, 4th printing;
The manual specs are a fluid change at 150,000 miles, regardless of towing.
Unless you have a problem, or for some reason have already removed the factory fill trans fluid why do it?
Once you remove the factory fluid your change interval drops dramatically.
Page 431 of the 2011 Owners guide, 4th printing;
- Every 150,000 miles, (240,000 km)
- Change automatic transmission fluid and filter (except 5–speed TorqShift transmission) (filter not required on 6F35, 6F50, DPS6 and AWF-21transmissions); consult dealer for requirements
Post Fiend
Joined: Jan 2009
Posts: 6,521
Likes: 11
From: Greenwood, SC
I wanted mine flushed when I had the coolant flushed at around 103,000 I think, don't remember the xact mileage right now.
It didn't really need it but I run her pretty hard so it's just peace of mind.
My factory fluid was slightly off color but not enough to really be concerned.
It didn't really need it but I run her pretty hard so it's just peace of mind.
My factory fluid was slightly off color but not enough to really be concerned.
Trending Topics
Senior User
Joined: Oct 2011
Posts: 295
Likes: 1
From: Youngsville, LA
I was looking into this topic since my truck is nearing the 30k number, and I knew that use to be the magic number for flushing the trans....until now apparently. So the change interval is only 150,000 on this truck, wow. I figured a flush would be required before then, just to remove accumulated wear debris from operation. I guess these new systems experience much less wear these days. I've been running with a FILTERMAG on my trans since early on, which helps collect any debris at the bottom of the pan. I figured did would hurt.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
10 Ugly Ford Trucks That We Still Kinda Love
Joe Kucinski
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
Thread
Thread Starter
Forum
Replies
Last Post
doc4bax
1997 - 2006 Expedition & Navigator
5
Jan 8, 2013 10:35 AM
jma3437
2007 - 2014 Expedition & Navigator
4
Aug 18, 2010 11:09 AM
tealboy1
1997 - 2006 Expedition & Navigator
2
Jul 13, 2002 11:38 AM