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  #1  
Old 01-09-2005, 03:18 PM
COhunter COhunter is offline
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5.4 life expectancy

How many mile's on average should the 5.4 engine and Transmission last ?

I found a 2003 with 89,000 miles on it and I'm a little leary of those mile's. But if the engine/trans is expected to go for a lot more miles than that, it wouldn't matter.

Thanks
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  #2  
Old 01-09-2005, 03:37 PM
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With proper fluid changes and regular scheduled maintenance, 200,000+ isn't unheard of. That has to be a lot of road miles on a 2003. Those are the easiest kind
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  #3  
Old 01-12-2005, 04:11 PM
johneye johneye is offline
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I know for sure you can get 153,000 out of it. Mine has to do some city hauling, hill climbing, with 2 to 3,000 lbs cargo. It runs like new.
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Old 01-13-2005, 01:38 AM
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cant say for sure though, i know of a few people with cars that blew gaskets and crap at 50k.. lol but with proper maintenance, and a car/truck that WASNT a factory lemon lol you should get over 150k out of ANY car... may not run like new, but it should run
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Old 01-13-2005, 09:49 AM
superrangerman2002 superrangerman2002 is offline
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Quote:
Originally Posted by LxMan1
With proper fluid changes and regular scheduled maintenance, 200,000+ isn't unheard of. That has to be a lot of road miles on a 2003. Those are the easiest kind
How about 110K mi on a late '02?

Seriously, there are some great deals to be had on newer model year vehicles with high milage.

Both of the rigs in my sig have over 100K mi, and neither have had any serious motor problems or tranny problems. The only problems my F-150 has had was a PS pump that went out 1 week after I bought it with 72Kmi, 1 year ago, and steering idler arm and a rear end pinion seal, and that's it.

My 5.4L had developed a small leak while I was auto-rxing it (which sometimes happens), but it has long since gone away, that was almost 20K ago.

When I got my F-150, I changed all the fluids, changed all the filters, plugs, belts, and then I started modding the "h" out of it.

Most of my friends think I'm a fool for having vehicles with "high" milage, but I really don't consider any thing under 150K high milage, and I have no fears of taking my rigs on 2 hr + trips accross SD in winter weather.

I will say this, I trust my vehicles way more than that '90 Ranger that my father bought with 54K mi on it, and it is in pristine condition....till you look at the rusty fuel filter, and that creamy garbage in the PCV valve...
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  #6  
Old 01-13-2005, 11:24 PM
7700Rob 7700Rob is offline
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A 5.4 with any kind of care should go 200K. As far as the tranny, 4R100's are what get 500+ lbs of torque from a Powerstroke to the wheels. I think.
I bought my '01 7700 (5.4) last October. It had 90,000 on it then. It turned 107,000 about three weeks ago. Here's a list of what it's needed in 17,000 miles.

1. Front hub brg. (Easy job)

2. Take off IAC valve, spray WD-4D in it, work valve back and forth, reinstall. (10 min.)

3. Replace leaking manifold gasket, which I think someone started and gave up on when they broke a stud. ( Not difficult, but time consuming at about 3 hours)

4. replace a license plate bulb.

5. 1400 gallons of gas!!

I have no plans of giving this truck up. For the price I paid, I can buy a new reman Ford engine, and still have paid less than another 7700 they had with 54K on it. I like this truck more than any vehicle I've ever had. (Except my '63 Mercury)
In short, the list of repairs didn't really relate to the engine, other than the manifold gasket, which is no fault of the engine. 5.4's didn't make it onto the list of top ten engines for no reason. Rob
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Old 01-14-2005, 11:10 AM
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2000 f350 with 5.4L still running strong with 189,000 miles on it. Only thing it needs is a new exhaust manifold gasket, I've just been too lazy to do it lately! This spring I'll be taking a 1600 mile trip cross country, we'll see just how strong these trucks are!
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Old 01-14-2005, 11:30 AM
nobrandx nobrandx is offline
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5.4 life expectancy

I just turned in 2 98 expeditions with over 246,000 miles that's using rerefined oil, the only thing that went bad was 1 alternator, these were U.S. Military vehicles utilized for going to missile fields but the 5.4 is an excellent engine, and would have no problem buying a high mileage one
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Old 01-14-2005, 05:56 PM
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My work van, a '02, E350 15 pass. with a 5.4 just turned 406,000 miles this week. NO engine problems at all. It gets 14.5 mpg average. Did have the rear end go out at 390,600 miles. This is the second van with this type use. The first was a '99 and we sold it with 475,000 miles on it with no major problems ever. Most engine work it had was an alternator at 333,000 miles.

The reason for the miles is I transport employees to work at the rate of 410 miles per day, 365 days a year. 90% is highway miles, the rest is small town driving with four drivers total.

Az. Pete
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  #10  
Old 02-08-2005, 12:40 AM
jethro b jethro b is offline
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I do expediting and know many owner/operators that have seen more than 500,000 miles from the 5.4 triton motors. With hwy. miles and proper maintenance it's not that hard to do! I had a 5.8 van with 500,000 plus miles that I just retired and donated to my FD and it is still running strong!
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  #11  
Old 02-08-2005, 12:55 AM
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It's all about the maintance!!! A engine will out last you if you take care of it.
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  #12  
Old 07-08-2005, 12:20 AM
mlaughscrew mlaughscrew is offline
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wow!! that sounds great............my truck has 61,000 miles on it. I guess I have a way to go.........
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  #13  
Old 07-08-2005, 07:01 AM
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well, at 198,000 miles the engine blew a spark plug. Of course I was 900 miles away from home in the middle of the night and had to be home in the morning. I just jb welded the plug back in and drove home on 7 cylinders. The truck still pulled the trailer fine with only 7. Rather than fixing the plug I'm going to put in a new engine. I finally have an excuse!
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Old 07-08-2005, 08:33 AM
iskybantilus iskybantilus is offline
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haha, sounds like a typical jbweld story ... surprised you didnt put the wire on and keep driving it till it blows out again. in another 200,000 k (i can see it on the back of the package now)
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Old 07-08-2005, 10:26 AM
MrBSS MrBSS is offline
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Yeah, somehow everybody thinks that a vehicle is pretty much done at 100,000 miles. So if you're smart and don't just grow tired of your selection, you can save a lot of money utilizing that 100K to 200K band. And if it hasn't been abused, it can run like new there.

If its been well maintained, even to 300K or 400K is fairly easy, although you can begin to have weird unexpected failures; things like differentials, belt tensioner pulleys, hood hinges, brake and trans fluid line rust-throughs, etc. And, like an old house, most have had incompetent work, accidents, or "accumulated errors" by then.

Past 200,000 miles, unless the vehicle is somehow special or reliability is not a concern, it's probably best to just buy an "almost new" replacement like that one with 89,000 miles!

Last edited by MrBSS; 07-08-2005 at 10:45 AM.
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Old 07-08-2005, 10:26 AM
 
 
 
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