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Old Oct 14, 2016 | 05:37 PM
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7.3 liter question

So I am getting ready to purchase a 2003 F250 with the 7.3 liter. 306,000 miles. Buying well below blue book value. Had the truck inspected by a certified mechanic and it all looked good. It's only going to be a weekend tow rig for a 7500 fully loaded travel trailer. Bumper hitch. My main question is this. What can I be expected to have to repair in the near future with so many miles? Price for repairs? Probably an impossible question to answer, but any kind of heads up on known problems is greatly appreciated.
 
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Old Oct 14, 2016 | 06:43 PM
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Hope for nothing and plan for everything. It all really depends on who owned it before you, how they used it and what they did to maintain it.
 
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Old Oct 19, 2016 | 09:46 AM
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If it was properly maintained you shouldn't have problems. I would inspect front end suspension components, ball joints, u-joints, hubs, etc...that stuff should have been replaced at least once at that mileage. There is a buyers guide stickied in the 7.3L forum with tons of good info on the engine stuff.
 
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Old Oct 19, 2016 | 10:08 AM
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Transmission, rear end, engine, anything can break. That is a ton of miles on a truck, even the "legendary" 7.3. In before the 7.3 worshipers claim that it will go 1 million miles without work...
 
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Old Oct 19, 2016 | 11:59 AM
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lol, 280k on my 7.3 with normal maintenance and trans rebuild. I believe 250k is the recommended factory R&R on the 7.3, but I've personally seen 500k+ trucks running engines that have never been cracked opened for anything.

That said, everything wrapped around the engine/trans (the truck itself) will suffer from mileage the same as any other vehicle.
 
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Old Oct 19, 2016 | 12:05 PM
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Originally Posted by Silverfox0921
So I am getting ready to purchase a 2003 F250 with the 7.3 liter. 306,000 miles. Buying well below blue book value. Had the truck inspected by a certified mechanic and it all looked good. It's only going to be a weekend tow rig for a 7500 fully loaded travel trailer. Bumper hitch. My main question is this. What can I be expected to have to repair in the near future with so many miles? Price for repairs? Probably an impossible question to answer, but any kind of heads up on known problems is greatly appreciated.
You plan to pull a nearly 8k trailer from the bumper? Or you mean versus a goosneck/5th wheel? I hope at that weight this truck has a receiver hitch and trailer brake controller.
 
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Old Oct 19, 2016 | 12:44 PM
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Originally Posted by akorcovelos
lol, 280k on my 7.3 with normal maintenance and trans rebuild. I believe 250k is the recommended factory R&R on the 7.3, but I've personally seen 500k+ trucks running engines that have never been cracked opened for anything.

That said, everything wrapped around the engine/trans (the truck itself) will suffer from mileage the same as any other vehicle.

So you call replacing injector cups normal maintenance? Have fun with that.... Enjoy your oil pan replacement and replacing every o-ring on that pig.
 
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Old Oct 19, 2016 | 03:16 PM
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I did have fun with that, and I didn't have to lift the cab for any of it
 
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Old Oct 19, 2016 | 03:21 PM
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Originally Posted by akorcovelos
I did have fun with that, and I didn't have to lift the cab for any of it
Cab lift???
 
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Old Oct 19, 2016 | 03:37 PM
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I was under the impression 6.0 required lifting the cab to service the inevitable blown head gaskets, no?
 
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Old Oct 19, 2016 | 04:03 PM
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Not required to lift the cab for that, although most people lift the cab or pull the motor.
 
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Old Oct 19, 2016 | 06:28 PM
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If it was take care of I wouldn't worry about anything.




I have owned this truck since sub 100k and have never had a valve cover off.

1 set of ball joints 270k, one transmission at 220K, transfer case at 330k, 2 water pumps, 3 HP power steering hoses, a carrier bearing at 340K and 2 alternators.

And of course routine tires, brakes and oil changes when necessary.
 
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