I get a Bad Grinding sound When i Engage 4WD - Page 2 - JeepForum.com

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post #16 of 24 Old 12-06-2010, 06:10 AM
dcorn
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Quote:
Originally Posted by cumminsjeep24 View Post
I dont get how a grinding is normal....its not normal, even if on pavement in 4wd...
4wd part time is not meant to be driven on pavement. Tires are trying to turn at different speeds and the TC won't let them, so something has to give. When I first bought my Jeep, I drove it in 4wd PT on very light snow on the road and it made some pretty bad noises when making tight turns. I learned pretty quick after that.

If you do have it in 4wd on pavement, don't turn at all. Especially tight turns. Yes, that will cause all sorts of noises and it's bad for the TC. Find a loose gravel road or mud if you want to try out the 4wd system.

Now if it starts making noises when you put it in 4wd and go straight, it could be the TC linkage. Mine did that once and just needed a little adjusting.


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post #17 of 24 Old 12-06-2010, 10:08 AM Thread Starter
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Quote:
Originally Posted by dcorn View Post
4wd part time is not meant to be driven on pavement. Tires are trying to turn at different speeds and the TC won't let them, so something has to give. When I first bought my Jeep, I drove it in 4wd PT on very light snow on the road and it made some pretty bad noises when making tight turns. I learned pretty quick after that.

If you do have it in 4wd on pavement, don't turn at all. Especially tight turns. Yes, that will cause all sorts of noises and it's bad for the TC. Find a loose gravel road or mud if you want to try out the 4wd system.

Now if it starts making noises when you put it in 4wd and go straight, it could be the TC linkage. Mine did that once and just needed a little adjusting.
okay i'll make sure to check that out. Thank you
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post #18 of 24 Old 12-06-2010, 10:12 AM
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If it's while you're turning sounds like something to do with the hubs.

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post #19 of 24 Old 12-06-2010, 10:28 AM Thread Starter
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Originally Posted by MemorEsto View Post
If it's while you're turning sounds like something to do with the hubs.
Thats what i was thinking. but after everyones ideas, i don't know witch thing to try first. i guess i'm going to have to take apart the front end anyway. I will make sure to post pics of what i find.
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post #20 of 24 Old 12-06-2010, 01:02 PM
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Hubs don't have anything to do with turning technically. They spin the same whether you are turning or straight. Check the u-joints in the front axle?

I still think it's the transfer case. Have you tried the 4wd on dirt yet? Or an otherwise very slippery surface?

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post #21 of 24 Old 12-06-2010, 01:17 PM
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If it were in the T case it would be constant wouldn't it

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post #22 of 24 Old 12-06-2010, 06:10 PM Thread Starter
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Quote:
Originally Posted by dcorn View Post
Hubs don't have anything to do with turning technically. They spin the same whether you are turning or straight. Check the u-joints in the front axle?

I still think it's the transfer case. Have you tried the 4wd on dirt yet? Or an otherwise very slippery surface?
I tried it in gravel and it's not as bad but my steering is still weird when i turn. and the noise is still there. just not as bad.

I also held the lever while it was in 4WD and i didn't feel anything funny in the handle.
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post #23 of 24 Old 12-06-2010, 07:03 PM
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Quote:
Originally Posted by cumminsjeep24 View Post
I dont get how a grinding is normal....its not normal, even if on pavement in 4wd...
My point wasn't that grinding was normal. My point was that if he was testing out 4wd on pavement that its very tough to tell what noises are due to binding up and what is due to grinding. That's why I said that if he gets the grinding issue when on a dirt surface that it could very well be a u-joint.
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post #24 of 24 Old 12-06-2010, 07:37 PM
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Originally Posted by 300zxnovaman View Post
I tried it in gravel and it's not as bad but my steering is still weird when i turn. and the noise is still there. just not as bad.
.
Well, really tight turns in 4wd aren't gonna be smooth. U-joints make sure of that. Sounds like you need some RCV's

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