Rear diff
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blupupher (11-09-2015)
#12
F150 Manic
I've also never seen a proven 4.6 with a 9.75 factory rear end but I've seen arguments started on here over it.
#13
They never made a FX4 Supercrew Heritage in 04. The Heritage was only a Single Cab or uv
With that being said NO the rearend out of that 04 will not bolt into your 02.
The shock locations are totally different. Bolt pattern is different.
Just a FYI, a rearend out of a 99-03(or 04 Heritage) will bolt in your 02. Doesn't matter if it's a 8.8 or 9.75, there interchangeable. Another FYI is regardless if its 2WD or 4WD the 4.2L and 4.6L had 8.8 rearends and the 5.4L had 9.75.
Wayne
With that being said NO the rearend out of that 04 will not bolt into your 02.
The shock locations are totally different. Bolt pattern is different.
Just a FYI, a rearend out of a 99-03(or 04 Heritage) will bolt in your 02. Doesn't matter if it's a 8.8 or 9.75, there interchangeable. Another FYI is regardless if its 2WD or 4WD the 4.2L and 4.6L had 8.8 rearends and the 5.4L had 9.75.
Wayne
#14
Rear ends are one thing i dont mess with. Ive seen them fail in a couple thousand miles when set up improper. They are super critical . get a complete third member at junk yard.
#15
Update
Thanks. I have to mention there was only a liter and a half of oil.. And it was 50% water.. L
#17
But I'm gonna bet the water got in through axle seals. But I'm gonna check😁
#18
Senior Member
Rear diff
Originally Posted by blupupher
I think I read all Supercrews have the 9.75 regardless of motor, but again, I only read that, not sure.
Any supercrew owners with a 4.6 and a 8.8?
Any supercrew owners with a 4.6 and a 8.8?
#20