I have something like a bearing noise in the front end. Seems around the front diff to me. I changed both hubs, inner diff bushings and seals with a bit of success but there's still a noise. I'm running at/ko 245/70R16LT at 50psi. I decoupled the left cv from the intermediate shaft and there was a bit of rust but nothing major. I reassembled the splines using a mix of grease and anti-seize (make my life easy next time) but there's still some bearing noise!!!! It drives me crazy!!! It starts around 40mph and fade around 65mph. Hard to tell what it is. There's a bit of play in the cv but the boots are intact and I don't do much wheeling. Mostly used on highway. Any idea before I get really upset and start disassembling that evil machine one bolt at a time???

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2006 CRD KJ, 245/70R16 A/T KO, GDE eco tune, ARB bull bar, OME lift, AVIC-N4, turbo timer, pulsetech solargizer, Racor CCV3500, Racor 245R122 fuel head, Caterpillar battery, oem light bar, KC lights, HID fog lts, cb, ...

When was the last time you changed the diff fluid? Should be changed every 12k-15k.How about the t-case fluid change? I'd also be checking the front driveshaft also,mostly the t-case side for a ripped boot.

Fluids have been changed (t-case and front diff) 2.5k miles ago. The drive shaft feels great and look great. Strange. I used amsoil 75W90 in diff and mobil1 synthetic transmission fluid in the t-case.

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2006 CRD KJ, 245/70R16 A/T KO, GDE eco tune, ARB bull bar, OME lift, AVIC-N4, turbo timer, pulsetech solargizer, Racor CCV3500, Racor 245R122 fuel head, Caterpillar battery, oem light bar, KC lights, HID fog lts, cb, ...