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Old 05-05-2016, 09:32 PM
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Grinding sound. Sounds like drive shaft is out of whack.

Well I just got my rear main seal fixed on my 2005 Grand Cherokee 5.7l 4x4 124k. Now I have a strange grinding coming from the front. Sounds like the front drive shaft is scraping or grinding. My mpg's are down to 8. Please help me

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Old 05-05-2016, 09:38 PM
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Re: Grinding sound. Sounds like drive shaft is out of whack.

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Originally Posted by jacobscottv View Post
Well I just got my rear main seal fixed on my 2005 Grand Cherokee 5.7l 4x4 124k. Now I have a strange grinding coming from the front. Sounds like the front drive shaft is scraping or grinding. My mpg's are down to 8. Please help me
I would check the front brake calipers for a rock wedged in them. While it could be the front drive shaft, I have never heard of one making a grinding sound (not to say it couldn't happen). A rock in the caliper on the other hand happens a fair amount and makes a horrible sound....
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Old 05-05-2016, 09:57 PM
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Re: Grinding sound. Sounds like drive shaft is out of whack.

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Originally Posted by crombenevolant View Post
I would check the front brake calipers for a rock wedged in them. While it could be the front drive shaft, I have never heard of one making a grinding sound (not to say it couldn't happen). A rock in the caliper on the other hand happens a fair amount and makes a horrible sound....


It goes away when the truck shifts into another gear.

---------- Post added at 01:57 AM ---------- Previous post was at 01:46 AM ----------

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Originally Posted by crombenevolant View Post
I would check the front brake calipers for a rock wedged in them. While it could be the front drive shaft, I have never heard of one making a grinding sound (not to say it couldn't happen). A rock in the caliper on the other hand happens a fair amount and makes a horrible sound....


When I go in reverse the noise isn't there it's sounds like dry metal rubbing.
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Old 05-05-2016, 10:09 PM
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Re: Grinding sound. Sounds like drive shaft is out of whack.

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Originally Posted by jacobscottv View Post
It goes away when the truck shifts into another gear.

---------- Post added at 01:57 AM ---------- Previous post was at 01:46 AM ----------





When I go in reverse the noise isn't there it's sounds like dry metal rubbing.
Going away in reverse, it could still be rock in the caliper. However, going away when the truck shifts ... I can't think of anything in the front end that would be gear dependent. As for the transmission, an automatic would generally show other symptoms (slipping, clunking, etc). I would probably run it into a les schwab (they do free brake checks) and have them look for a rock. If that is it you get it fixed for free. If not that, I would climb underneath and start looking for what is rubbing. If it is enough to make a sound, you should be able to see a spot somewhere that looks shiny and clean where the rub is happening. Good luck!
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Old 05-05-2016, 10:18 PM
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Re: Grinding sound. Sounds like drive shaft is out of whack.

Check your fluids. I would start there, then have someone listen for the sound on the outside. Maybe a video.
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Old 05-05-2016, 10:30 PM
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Grinding sound. Sounds like drive shaft is out of whack.

here is a video. When I shift hear the loud noise. When I'm at a dead stop and start out slow and cruse from 5- 14 mph it sounds like metal friction.

---------- Post added at 02:27 AM ---------- Previous post was at 02:26 AM ----------

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Originally Posted by Pittz View Post
Check your fluids. I would start there, then have someone listen for the sound on the outside. Maybe a video.


I didn't look at the fluids I parked it at the mechanics place of business I just paid 700 dollars for my rear main seal to be replaced. I'm down to 8.3 mpgs. Something is wrong to make the mpgs go from 15. Something in the front is working harder then it should. I just posted a video.

---------- Post added at 02:30 AM ---------- Previous post was at 02:27 AM ----------

It sounds like something is to tight the grumble / scrapping. I though it was my exhaust at first.
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Old 05-06-2016, 02:32 PM
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Re: Grinding sound. Sounds like drive shaft is out of whack.

Turned out to be the exhaust and the crossmember hitting something I have no idea the specifics this is what my mechanic told me and it's all fixed
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Old 05-09-2016, 08:14 PM
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Re: Grinding sound. Sounds like drive shaft is out of whack.

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Originally Posted by jacobscottv View Post
Turned out to be the exhaust and the crossmember hitting something I have no idea the specifics this is what my mechanic told me and it's all fixed
And your mpg is back to normal as well?
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