2000 Yukon

[kingdavid]

Yukon started making knocking or card in bicycle spoke sound after work when I started it,drove it 30 miles home and sometimes it would go away or get louder. I got it home and sprayed pb blaster on my ujoins took for a drive put it in 4wd and seem to go away went to park truck and it got real loud almost sounds like a converter bolt.

 

[kingdavid]

Ujoints

 

[wjburken]

Dors the noise change with RPM of motor or speed of vehicle?

Can you replicate the noise while in park?

 

[Fless]

Ujoints

Tip: when you need to edit one of your posts, you can use the EDIT button at the bottom of the post, instead of making another post.

 

[OR VietVet]

If you can post a video of the noise, we can pin it down. Make the video, download at you tube and post the video link from you tube.

 

[thatotherguy88]

Could also be a wheel bearing