RCV Heavy Duty CV Axles

[07JeepXK]

I was in 4LO both times. Once I drove out about 15 miles. The other time, it was about 90 miles home @50 mph. The QDII has a "limp mode" in the computer that is really nice!

I don't see spending $1000 each for CVs that, as Holaday says, would just make the new weak link more costly and inaccessible. I can buy a lot of $60 spares for $2000. Also, I didn't notice any difference between the OEM CV and the NAPA replacement, but the castings may not be the same quality. I wouldn't know.

I would rather have a cv that i would never have to worry about then breaking everytime i wheel the XK hard, lose out on wheeling time and figure out how im going to get my jeep home. The cv's on our vehicles are way too weak. That doesn't necessarily mean if you installed the RCV axles that you will now blow your front differential or transfer case because the cv is no longer the weak link.

I'm not sure what napa replacement you got but the one napa gave me is garbage. Just compare the boot between the napa and oem. My passenger side cv is the oem original with 109,325 miles on it and nothing wrong with it. The drivers side napa cv that has been on maybe 15,000 already is leaking from the boot and needs to be replaced. Keep in mind the only reason I have the napa cv is because I somehow managed to strip the threads on the original drivers cv when I swapped out the wheel bearing.

[TrialByFire]

You make some good points but here is what I am worried about:



This happened along with a busted passenger CV. We wheel a 6500 lb vehicle with a front axle that is about 1" in diameter. Right now, the CV is the weak link. It costs $60 to replace and can be done on the trail (if we have a spare) in about 30 minutes. I am starting to know what tactics to avoid to prevent CV breakage, so there is a learning curve involved. If the OEM CVs are truly stronger, it is worth the extra $$. If the RCV CVs were $500 each, it would be at least tempting.

[Matt]

now that I think about it... you're right. The elsd would disengage once you started moving since the wheel speed would match what it should be. You'd need to be in 4 low to keep it locked.

Lol but its probably easier to turn in 4low with a busted CV axle.

[Matt]

I've seen people bust pinions, yokes and even blow apart their carriers..... I think ill pass on the $2000 CV axles. Eventually ill just cary a $60 spare for each side. I don't want to be the guinea-pig and find out what's next in line for our vehicles.

[stites-xk]

I'm curious. Who here owns a 4.7 L with QT II and has snapped an oem cv axle?? Please post up!!

I did passenger side on eagle rock last summer running a 2" lift and replaced it with a oem one. No problems since!

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[valpacer]

Well the order is done and dusted, 2-3 weeks ill have them in the country.

Then we will see what these babies can do!

[Sal-XK]

Well the order is done and dusted, 2-3 weeks ill have them in the country.

Then we will see what these babies can do!

Well if these expose a week spot in the axle like some are saying it will do I have no doubt you'll find it.

[pjmjr508]

Well if these expose a week spot in the axle like some are saying it will do I have no doubt you'll find it.

I agree, so I am waiting to see what you think of them & how they hold up to your off road trips. If they get your seal approval then I'm all over it!!!!

[Pixelcodex]

Funny, after reading this thread I recognized them. They are featured on the September issue of Diesel Power.

[TrialByFire]

I'm definately looking forward to a report! I don't worry so much about the T-case or the front locker as they are both clutches. It's the shafts and gears I suspect might go next.