QD II diff bearings bad again - Jeep Garage - Jeep Forum

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Old 03-18-2016, 11:04 AM
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QD II diff bearings bad again

Good ole FCA unreliability. Had both side carrier bearings and pinion bearing in my QDII rear diff replaced at 71k miles, which was 40k ago by the dealer under warranty, and now one of the carrier bearings has gone bad already. Warranty expired and they estimate $ 900, but won't know til opening it up. Same symptoms as when it went bad before on the other side. Never had any diff go bad in 40 years of owning numerous vehicles, most for well over 100k. This is the last FCA product for me, and they still rank at the very bottom of JD Power. Most other vehicles I've had were Japanese, far better reliability and build quality and I never recall taking them back to the dealer for any work. This one has been to the dealer 12 times for warranty repair work and now this.

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2006 GC Overland QD II5.7 , MM 85 mm CNC ported TB, Apexi super voltage stabilizer, BT Catch Can, Koni FSD shocks/struts, Mevotech supreme and Moog problem solver front and rear upper and lower control arms and track bar, Moog inner and outer tie rods, Moog sway bar links and bushings, Cooper Discoverer SRX 255/65/17, Amsoil fluids, Diablosport Intune CMR tuned by Hemifever tuning.
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Old 03-19-2016, 07:16 AM
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Re: QD II diff bearings bad again

Maybe its time for another stealer??
Eventhough jeeps can have some strange quality issues, its not normal for the differential bearings to go out this soon. Especially now for the second time. By the way, its not jeep who is making the differentials.
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Old 03-19-2016, 08:28 AM
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Re: QD II diff bearings bad again

Mine is a 5 star, the largest Jeep dealer in Chicagoland. All cars use 3rd parties for components, and FCA is responsible for thorough testing of these. 13th dealer repair is a joke, plus I've replaced numerous worn out parts in my garage on top of all these.
Jeeps are consistently at the very bottom of JD Power, year after year. This is the only Chrysler product I've ever owned, and will be the last.
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Old 03-21-2016, 11:51 AM
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Re: QD II diff bearings bad again

Update, found a shop that specializes in Jeeps, modifies them, (lift kits, custom lockers, etc..) and will also install your parts. They did a thorough check on the rack after the mechanic rode in the back seat while I drove. They said the dealer is wrong, the diff is fine and the problem scraping with the right rear brake rotor. Plenty of pad left so they resurfaced both rear rotors for $50 while I waited, and the problem is solved. yay ! The Jeep 5 star Dealer went through it, after leaving it with them for a day, and estimated $900 to replace one diff carrier bearing, needing 3-4 days to do it. Moral of the story, always get a 2nd opinion, and never use a dealer after the warranty expires.
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