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Old Feb 19, 2008 | 08:51 PM
  #1  
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4r75e

How long does this trans usually last before it fails and a rebuild is required? I am coming from the horrible GM 4L60E that fails generally after 50k everytime.

I am hoping this Ford unit is much much better, however I have had 3 friends with F-250s loose there trans in the last month with around 150k on each.
 
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Old Feb 20, 2008 | 06:30 AM
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it all depends on how you drive it and if you do your maintence. i have seen people go over 200k.
 
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Old Feb 20, 2008 | 08:40 AM
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i will take very good care of it.
 
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Old Feb 20, 2008 | 09:21 AM
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I plan on thrashing on mine, I will let you know.
 
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Old Feb 20, 2008 | 10:03 AM
  #5  
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The 4r75e is a Crown Vic transmission they adapted to the F150s.

In short, it isnt longed for the world if you thrash it. I thrashed mine and it was smoked @ 24,000 miles.

The unit now has a billet 11" converter, FTVB Calibration kit, Spiral Clip upgrade, Hi-Energy Carbon Overdrive Band, Hi-Energy Clutches, Deep Pan for additional fluid and cooling.

The unitworks extremely well now. However, it only has 100-200 miles (ALL HARD) on it after the rebuild.

We will see if it holds up. I dont think it will.
 
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Old Feb 20, 2008 | 10:04 AM
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who did your rebuild?

is there a difference between the 4r75w and 4r75e?

which one is in the f-150s?
 
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Old Feb 20, 2008 | 11:20 AM
  #7  
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Originally Posted by benningstspeed1.0
it all depends on how you drive it and if you do your maintence. i have seen people go over 200k.
yep, Ford IMO makes a pretty decent transmission. I've had good luck with all the automatics anyways. 2nd gears sucks in the 5 speeds though.

my Bronco had 283,000 miles on the original trans...O/D was starting to slip, but overall the trans was amazing at that mileage. I had 2 other F-150's with 120,000 and 150,000 on their original auto trannys as well

Originally Posted by wreedZ71
who did your rebuild?

is there a difference between the 4r75w and 4r75e?

which one is in the f-150s?
I wouldn't worry about your trans. veronese1 is running a s/c truck making serious power. your 4.6 won't hurt the transmission unless you do something stupid. btw, I remember you tow a tow trailer occasionally, right? might want to get a trans cooler if you don't have one
 
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Old Feb 20, 2008 | 11:23 AM
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Yes i tow a 16 foot trailer with a Mule and 2 ATVs. I have the 5.4L also not the 4.6l.

Does it not have a tranny cooler??? I think i have a fairly decent sized one in my airdam.
 
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Old Feb 20, 2008 | 11:36 AM
  #9  
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sorry, I thought you had the 4.6....then most likely you do have a trans cooler. look behind the bumper. the a/c condenser will be directly in front of the radiator, but then there will be this little shoe-box sized radiator for the trans.

I haven't looked at mine lately, so I can't exactly remember where she is
 
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Old Feb 20, 2008 | 11:37 AM
  #10  
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i will post a pic of where i think mine is.
 
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Old Feb 20, 2008 | 03:38 PM
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The transmission behind a 5.4 can last a while before they go bad. See link.

Lots of miles
 
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Old Feb 20, 2008 | 09:44 PM
  #12  
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now that is impressive


gas or diesel?
 
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Old Feb 21, 2008 | 01:41 AM
  #13  
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Originally Posted by wreedZ71
now that is impressive


gas or diesel?
that's a 5.4 gas, same motor you have, just different heads.
 
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Old Feb 21, 2008 | 08:52 AM
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Does the 5.4 normally burn that much oil? Is that something i need to watch out for?
 
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Old Feb 21, 2008 | 06:53 PM
  #15  
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Originally Posted by wreedZ71
Does the 5.4 normally burn that much oil? Is that something i need to watch out for?
After 1,000,000 miles I sure as heck wouldn't complain about 1 quart every 500 miles. That motor may be running, but it sure is tired.
 
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