2004 - 2008 F1502004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 or 4.2 V6 engine
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I am wondering if anyone here knows approx how much it would cost to have the rear end of my '05 f-150 rebuilt or replaced. I just bought it and it is howling very loudly - I know it needs to be done asap. I am also thinking of looking into a pick and pull and swapping one out.
Also how hard/easy would it be to upgrade from the 8.8/3.55 to the 9.75/3.55?
I just had the clutch packs replaced in mine and it cost 980$ at the Ford dealer. My extended warranty paid for it. Dont know if clutch pack would cause a howling though, maybe gears. Anyway I dont see a gear swap being any cheaper. Of course if you go anywhere but the Ford dealer, im sure you can save some money. Good luck !
Clutch packs are for the shudder issues. To swap from a 8.8 to 9.75, you'll have to get a new rear end. The change is fairly easy and maybe cheaper than rebuilding your current pig. Maybe find an axle at a junk yard. When you have it installed, drop the cover, check the pattern and put fresh lube in it. If the axle is just whining from the gears, not really a durability issue, more just a huge annoyance.
__________________ 2004 Black Lariat F150 Supercrew 4x4
Roush Suspension Kit, Mark LT bed rails, Truxedo Low Profile tonneau cover, Euro Tail lights, chrome handles, Edge, Volant CAI
Summer Wheels : NS Racing Black/Chrome, 20X8.5, Cooper Tires, 305/50R20s.
Project: 1950 F1 Previous:
89 Probe GT; 86 Bronco II (ex gave it away )
So right now I have the 8.8/3.55 and have decided that swaping out the old for a 9.75 with 3.23 is my best option. I found one online for $1000 and I will just do the labor myself. My question is - does the e-brake hookup the same way from the old to the new? Also are all of the sensors the same (ABS, etc.)? Thanks
i got a price quote for $1700 to fix the 8.8 . i knew it was broke but the truck was cheap.it is cheaper to by the 9.75 if it will bult right in. i do know i will have to shorten the drive shaft thank for the help
dont forget about the anti lock sensors and e brake hookups between the different rear ends-they may not be compatible. i would think a used 8.8 with 3.73 would be the way to go. far easier to change and not much more $$$ than trying to adapt a diffferent style.
So I got the rear end, pulled everything apart and put back together with only a few minor hiccups. The drive shaft's ujoints were non removable; so the drive line shop locally said to build a new one would be 600 bucks, so I found a local wrecking yard with one and did that for 1$50 instead from a wrecked truck w/ 9.75 rear. Gone 6,000 miles so far and need to balance the drive shaft, but other than that it was a very easy installation and good deal.
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