GEN 2 Rear Axle Gear whine at speed

Has anyone else experienced a significant whine that seem to be coming from the rear axle at about 70-80 MPH? It gets louder with speed. I believe its there at low speeds also but not as noticeable. Its loud enough that I don't want to take long trips or talk on the speakerphone on the highway.

Ive driven other '19 raptors and didn't notice the whine...time for dealer?

Thanks.

The list of things that it can be is long. That said, failed wheel bearings often make a whining sound with a pitch that changes with speed.


18 SCrew Magnetic, Roush CAI. Whipple tuned. SPD adapters, Kooks Green catted down pipes. Kooks mid pipes w/ resonator. HF & VHF Connected.

I have the same problem 17 with 46 k. Seems to be getting louder. I think it may be the pinion bearing from reading on the internet. I haven’t taken it to the dealer yet but plan too.


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Thanks for the replies...I think I'll drop it off at the dealer this weekend...

MSP said:

I have the same problem 17 with 46 k. Seems to be getting louder. I think it may be the pinion bearing from reading on the internet. I haven’t taken it to the dealer yet but plan too.


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I'm leaning this way also...

I have 86k on my 2nd gen i was getting noise at about 78k. I finally replaced all races and bearings at 83k. Quiet as can be now.

Foraye said:

I'm leaning this way also...

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I had the pinion bearing replaced under warranty and the noise is gone. BBC


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I just dropped my 18' Raptor 31k off with a whine coming from the rear while driving that gets louder the faster you drive. It does not change in 2wd or 4wd. Hopefully, its an easy fix.

Zach Robertson said:

I have 86k on my 2nd gen i was getting noise at about 78k. I finally replaced all races and bearings at 83k. Quiet as can be now.

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Thanks for the info, mine is 78k, just replaced both are bearings. Right is good, left was burnt. But she still whines at speed... Which hunt continues... I'm thinking about the pinion bearings as well...