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Old September 3rd, 2007, 09:59 AM   #1
shawn
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Default 8.8 Trac-Lok issue or not?

I ripped the wrecked D44A out of my ZJ and installed a 8.8. For the most part things went well, but I do need to get and adjustable track bar (the bump stop is really close to the passenger upper control arm bracket).

But what I can't figure out is this rubbing noise/feeling I am getting when going around tight corners or turns. It feels like the rear BFG AT is rubbing it's nobs agains something, but they ARE NOT! Nothing is rubbing! Could this be that the Track-Lok is bad and making this noise/feeling I am getting? It's really pissing me off, and I am wondering if this axle I got is junk or not (pinion seal also toast, and I think the axle shaft seals too!).

Any input is appreciated.
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Old September 3rd, 2007, 10:10 AM   #2
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if you don't have the right gear oil or additive the trac loc will make an aweful feeling around corners
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Old September 3rd, 2007, 10:13 AM   #3
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Sez to run Syn 75W140, that's what i put in, at $16/qt! YIKES! Is there something else I'm missing?
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Old September 3rd, 2007, 10:20 AM   #4
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what year 8.8 is it

i know most 8.8s after 95 say to use syn fluid, and most 91-94 use GL-5 with additive

try some additive and see what happens
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Old September 3rd, 2007, 09:16 PM   #5
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You will need to run an additive in it as well.

I am pretty sure the synth oil requirement is because of fuel milage issues or something else stupid. They didn't change anything bearing, carrier, gear wise... with the 8.8 in those years.
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Old September 3rd, 2007, 09:32 PM   #6
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go to ford parts depot... and get the green super smelly 4 oz. bottle of friction modifier. Should cure it with in 50 miles.
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Old September 3rd, 2007, 11:17 PM   #7
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Quote:
Originally Posted by KILLER"B"468 View Post
go to ford parts depot... and get the green super smelly 4 oz. bottle of friction modifier. Should cure it with in 50 miles.
unless its a '02 irs 8.8" :tonka:
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Old September 4th, 2007, 06:57 AM   #8
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Alright, thanks guys, looks like after I change this pinion seal I will be adding some of that friction stuff.
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