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Transmission life expectancy

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Old Jan 4, 2021 | 09:57 AM
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Transmission life expectancy

I just bought a 2002 F350 with 169k on it. Previous owners spent a lot on repairs, new starter, water pump, fuel pump, etc. It's pretty much stock. They added a aftermarket trans. cooler. Transmission fluid changed 25k ago. It has not done extensive heavy towing from what I can gather from Carfax. I'm wondering about how many miles I have left before the $4k bill comes due. Any ideas?
 
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Old Jan 4, 2021 | 10:26 AM
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It should go to a minimum of 250k.
 
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Old Jan 4, 2021 | 10:42 AM
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A very general observation:
Eleventh generation (2004–2008)
Will run up to 200k miles

After that, the owner / operator should have the knowledge to make his own repairs.

Hobo
 
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Old Jan 4, 2021 | 11:13 AM
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Really? Rebuilding a transmission is not a backyard job in my estimation. Am I wrong?
 
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Old Jan 4, 2021 | 11:58 AM
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You are quite correct, rebuilding a transmission is not a backyard job. A clean, well lit, warm, indoor location with generous bench space is preferred. Russ
P.S. Lint free towels are a big plus
 
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Old Jan 4, 2021 | 11:59 AM
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Originally Posted by hobohilton
A very general observation:
Eleventh generation (2004–2008)
Will run up to 200k miles

After that, the owner / operator should have the knowledge to make his own repairs.

Hobo
That article is about the F-150. This is an F-350.

Originally Posted by Drdon20
Really? Rebuilding a transmission is not a backyard job in my estimation. Am I wrong?
It can be done by a backyard mechanic. If you are willing to learn and have an excellent shop manual it can be done.
 
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Old Jan 4, 2021 | 12:41 PM
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I ran a:
'99 7.3 to 200k with no trans issues
'03 6.0 to 230k with no trans issues (I did have to replace the trans oil cooler lines, but the transmission was fine)
'04 6.0 to 180k with no trans issues (this one was a dually and pulled both a 42' toyhauler around the state every summer, and a 44' front living room Jayco Pinnacle several times)

I either sold or traded in all of these trucks. The transmission is not the weak point behind either of those motors.
 
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Old Jan 4, 2021 | 01:13 PM
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Originally Posted by 99powerstrokedF250
I ran a:
'99 7.3 to 200k with no trans issues
'03 6.0 to 230k with no trans issues (I did have to replace the trans oil cooler lines, but the transmission was fine)
'04 6.0 to 180k with no trans issues (this one was a dually and pulled both a 42' toyhauler around the state every summer, and a 44' front living room Jayco Pinnacle several times)

I either sold or traded in all of these trucks. The transmission is not the weak point behind either of those motors.
The '03 and '04 had a 5R110W transmission. Totally different from the '99 to '03 4R100 transmission.
 
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Old Jan 4, 2021 | 02:33 PM
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Originally Posted by redford
The '03 and '04 had a 5R110W transmission. Totally different from the '99 to '03 4R100 transmission.
Yes but my point is, the transmissions that have been placed in these trucks are, by and large, not the weak points of the driveline.
 
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Old Jan 4, 2021 | 03:04 PM
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My F250 was an old fleet truck owned by a grain elevator. They towed gooseneck trailers with it. Assuming its the original transmission it has over 260,000 miles now. Everything looks untouched so I think it's original. I just changed the fluid and filter and removed lots of metal shavings from the pan. Shifts fine, no issues.
 
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