Need help with a clunk
Ok guys, I had my front drive shaft replaced around Thanksgiving due to violent vibrations when I got up to 60 mph. When I got in the Jeep to drive it home after replacement, I noticed that there was a new clunk. It was in line with the speed of the Jeep. As I went faster, it went faster. When I would coast, it would go away. When I braked, I could hear the clunk slowing down. It goes away when I get up to 45 mph. Since the shaft was changed, I've driven the Jeep on a few shorter road trips. One was 560 miles and the other was 280 miles round trip. I also drove it daily to and from work with no issues. Now that I'm trying to sell the Jeep, a lot of my potential buyers are concerned with the clunk. I don't know what to tell them, and I don't want to dump anymore money into the Jeep, but I may not have a choice. Any ideas?
Originally Posted by HCrum87hc View Post
It is bad for the VC to remove the front shaft but if you say that you can hear the clunk at low speeds then you could drive it a very short distance just to see if the noise goes away. If it does then you know it's the shaft or something it connects too. I wouldn't go on the highway or anything.
I would inspect the shafts u joints too while it's out.
A clunk can be anything. You just have to start ruling things out. Check everything in the front that rotates.
I did take it back to the shop. They told me the shaft was fine and that the noise was coming from the tcase. They proceeded to tell me the tcase was bone dry and would need to be replaced for a little over 3 grand. He also told me they could only find one np249 in the whole country. I had a few issues with this because A: I have been checking the fluid regularly since the noise started, so I knew that wasn't true; and B: I know of multiple places where I can get a rebuilt tcase for under $700 dollars. I know because I've already replaced the original tcase when the VC went out. I'll drop the shaft and see what happens. Thanks.
What a terrible shop. 249's are all over the place in the thousands. You should be able to get a 242 for around 150 if it does turn out to be the T case. Maybe get the front up on jack stands and see if you can make the clunk while spinning the tires in N. It's a gamble though because a lot of the times these noises only show up under load and putting it in N and ff the ground takes that away. Good luck.
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