Transmission Replaced, Now Dealing with Suspension Noise

[cirrusaviator]

I have a 2017 GMC Yukon Denali 4WD with 62K miles on it. We recently had the entire transmission replaced due to a bad shudder. Now that the shudder is gone, it seems like we have some noise somewhere in the suspension. Couldn't hear it before. I just had an inspection done at a local mechanic. I am still under CarMax warranty, but wanted another opinion.

The sound is hard to explain. Kind of like a grumbling sound/scraping sound. Even when loading and unloading the tires, the sound persists, so I don't think it's a wheel bearing. The sound is constant and is more noticeable when turning. The car is always in 2WD.

I can hear it most driving low speeds through a parking lot without all the road noise. But it happens at speed as well.

Issues that the mechanic found:

• Rear pinion seal leaking
• Front struts seeping
• Front lower shock bolts and lower control arm bolts were loosened and re-tightened (sound still persists)

Could any of the issues the mechanic brought up cause this issue?

Any ideas on what this could be?

 

[Joseph Garcia]

A worn out shock could cause a noise, once a fair percentage of the oil has leaked out.