Rzeppa Woes…

[aus10nator]

@aus10nator First, nice looking rig. I just wanted to ask what suspension / wheel modifications you did to run 35s on your rig. Do you think that had anything to do with driveline issues? Thanks.

Thanks man. I’m on Fox 2.5 coils with about 3 inches of lift. To run 35’s you’ll need to run 2.5 inches of lift minimum. I have zero offset wheels, 17x8. I know fellow Tremor owners on 34’s and 35’s that haven’t had this problem. It was purely circumstance, from wheeling hard that day.

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[Max Crafter]

Just to invoke more ignorance is bliss comments, I ugga-dugga’d that pinion nut on there. Needless to say, I did about 500 miles round trip since I did this “upgrade”, including some pretty good off-road fun at the Ocotillo-Wells “Truckhaven” and have had zero issues thus far. I’m not worried about it at all. Will probably check shaft rotation tonight after work.

The thing is, if you didnt get the pinion torqued correctly, you're not likely to see an immediate death in the first 500 miles. it's more than likely going to be a slower death, but an inevitable death.

If this guy was ugga dugga'd too much and you find the shaft rotation is too tight (remember, the rear brake pads need to be removed to properly check this) and you think you're just gonna back off the nut to loosen it up to get the 16-29inlbs, you're sadly mistaken and problems will arise. Ignorance is bliss.

 

[aus10nator]

Bump!

I originally swapped out my Rzeppa at approximately 10k miles. With a tick over 30k miles on the clock now, here’s the result of my rear diff fluid change.

You can continue to argue how ignorance is bliss, and how your friends cousins grandpa did this 150 years ago and his diff exploded, all you want. I don’t care what you keyboard warriors have to say.

This is a real-world result using readily available factory parts, and a little common sense. Big shoutout to Ford for making such an astound pickup truck. Onwards to TW 1 piece goodness!

 

[madchassey]

big mad eh ?

 

[aus10nator]

Bumping this ol’ thread with an update.

50k miles strong. 40k on the swapped pinion flange. Not a worry in sight.

I got a kick rereading all the old responses and especially all the naysayers. The effin’ carrier bearing died before the R&P. 1 piece is going to get ordered next month so just riding it out. So hilarious, though.

If I remember to, I’ll post picks of the stock 3.73’s when I eventually swap everything to 4.10’s. Just to prove there’s nothing to fear with doing this swap.

The real fear is the trans grenading but i got that covered too.

 

[Stevedbvik1]

Bumping this ol’ thread with an update.

50k miles strong. 40k on the swapped pinion flange. Not a worry in sight.

I got a kick rereading all the old responses and especially all the naysayers. The effin’ carrier bearing died before the R&P. 1 piece is going to get ordered next month so just riding it out. So hilarious, though.

If I remember to, I’ll post picks of the stock 3.73’s when I eventually swap everything to 4.10’s. Just to prove there’s nothing to fear with doing this swap.

The real fear is the trans grenading but i got that covered too.

Even a blind squirrel finds an acorn once and a while ?

 

[Jason B]

Bumping this ol’ thread with an update.

50k miles strong. 40k on the swapped pinion flange. Not a worry in sight.

I got a kick rereading all the old responses and especially all the naysayers. The effin’ carrier bearing died before the R&P. 1 piece is going to get ordered next month so just riding it out. So hilarious, though.

If I remember to, I’ll post picks of the stock 3.73’s when I eventually swap everything to 4.10’s. Just to prove there’s nothing to fear with doing this swap.

The real fear is the trans grenading but i got that covered too.

I think the only "fear" is that the ring gear is welded to the carrier, so you have to replace the whole chunk.

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