MERCON LV
Lead Driver
Joined: Jul 2004
Posts: 6,951
Likes: 512
From: Foothills, CA
Since I am running the '08 pan and filter (and I've checked a bit up in the 6.4 forum now and then as to what they are doing), I'm going with the 60K pan filter interval, and doing some 8-9qt dump and fills with the TP filter up front in between. I've vacillated from 20 - 30K on the intermediate changes. Truck doesn't see as hard use as it once did, and the miles are building at a snails pace, so probably 25-30K (I'll probably be changing oil with CJ when you guys are on CP!) 
Oh, and I don't ever plan to flush it...
Oh, and I don't ever plan to flush it...
Logistics Pro
Joined: Feb 2005
Posts: 3,952
Likes: 117
From: Upper Left Coast
Since I am running the '08 pan and filter (and I've checked a bit up in the 6.4 forum now and then as to what they are doing), I'm going with the 60K pan filter interval, and doing some 8-9qt dump and fills with the TP filter up front in between. I've vacillated from 20 - 30K on the intermediate changes. Truck doesn't see as hard use as it once did, and the miles are building at a snails pace, so probably 25-30K (I'll probably be changing oil with CJ when you guys are on CP!) Oh, and I don't ever plan to flush it...
Oh, and I don't ever plan to flush it...
Lead Driver
Joined: Jul 2004
Posts: 6,951
Likes: 512
From: Foothills, CA
Scott
Fleet Owner
Joined: Nov 2003
Posts: 27,900
Likes: 3,617
A 60k interval is definitely a big plus!
I see so many posts from folks that don't even have the transmission on a regular schedule. Many people go 100k miles. I certainly am not advocating that but I have often wondered how conservative is the 30k interval.
I see so many posts from folks that don't even have the transmission on a regular schedule. Many people go 100k miles. I certainly am not advocating that but I have often wondered how conservative is the 30k interval.
Lead Driver
Joined: Jul 2004
Posts: 6,951
Likes: 512
From: Foothills, CA
I'm thinking very conservative as most folks are doing flushes, when isn't the 30K service a: dump the fluid in the sump and change the TP filter and refill? Have to dig out my manual, but that's what I thought it was. This whole flushing thing has gotten lots of air-time over the years...
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
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
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
Logistics Pro
Joined: Feb 2005
Posts: 3,952
Likes: 117
From: Upper Left Coast
Logistics Pro
Joined: Feb 2005
Posts: 3,952
Likes: 117
From: Upper Left Coast
Is 3 gallons enough for the flush-thru?
I was just going to do the "flush" using 3 gallons, and when it's just about gone, stop it and put it all back together.
Laughing Gas
Joined: Aug 2018
Posts: 934
Likes: 248
From: CA
When I did mine I had for 6 gallon bag. I put about 3 gallons or so in a 5 gallon bucket and pump all that thru the transmission. While I was doing that I had the cooler return line disconnected and flushed the the cooler. I then buttoned up the new pan and filter and topped of with fluid. Then continued flushing another gallon or so out the return line. Then I installed the new TP filter and topped off again. I used a total of 25 quarts.