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  #1  
Old 01-14-2016, 02:17 PM
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jimfrick

New to the jeep world and still trying to figure out the complexity of jeeps. I have a 07 grand Cherokee and It makes a noise like a bearing is going out some place in the front end. Replaced right wheel bearing and the right out put shaft bearing on the axel. Still makes a noise. Most people don't hear it or think it's normal, so are jeeps just noisy?? Maybe I am just expecting a Cadillac ride out of a jeep with all the stuff turning underneath it.
Changed oil in front end and the old oil looked good. Nothing getting hot and don't make noise on a hoist. At a loss. Need to find another grand Cherokee to drive around and compare. Help???

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Old 01-14-2016, 03:18 PM
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Re: jimfrick

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Originally Posted by jimfrick28 View Post
New to the jeep world and still trying to figure out the complexity of jeeps. I have a 07 grand Cherokee and It makes a noise like a bearing is going out some place in the front end. Replaced right wheel bearing and the right out put shaft bearing on the axel. Still makes a noise. Most people don't hear it or think it's normal, so are jeeps just noisy?? Maybe I am just expecting a Cadillac ride out of a jeep with all the stuff turning underneath it.
Changed oil in front end and the old oil looked good. Nothing getting hot and don't make noise on a hoist. At a loss. Need to find another grand Cherokee to drive around and compare. Help???
Checked both of the CV joints on the front axle?
They are pretty robust, but if the cover gets royally destroyed and you get mud/crud into the joint they will corrode and make noise.

If you put it on a good lift and turn the front wheels by hand, can you narrow it down?
Dragging break puck? Cat stuck in there?

You might want to find a good jeep specialty shop and pay them a few bucks to help you learn about these beasts. They are a tad noisier than a Cadillac, but many of the common noises are harmless, and a few bucks tossed at someone who really knows them can pay off big time.

Suggest also go to jeep.com for owners [or ebay] and pick up a factory service manual if you like to bloody up your knuckles--it is also a tad helpful in helping you estimate if you want to tackle the job or take it to an expert on some items. Much better than the Chilton's etc.
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Old 01-14-2016, 04:36 PM
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Re: jimfrick

Done that been their and have the service manual. I am 66 years old and have worked on cars all my life. And a truck driver for 45 years. Maybe that is why I am hearing things that ain't there or are normal. I am down to the point of drive it until it burns up something, then I will be able to find it.
Just hope it don't happen in the middle of nowhere and here in Nevada we have a bunch of nowhere. I should invest in satellite phone for some of the places I have been. I have even used a point and shoot thermometer and nothing is getting hot. More that usual. My other car is a 78 power wagon that gets 9 mpg. Can't afford to drive it and don't trust it anymore. Thanks for the help and any ideas.
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Old 01-15-2016, 12:49 PM
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Re: jimfrick

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Originally Posted by jimfrick28 View Post
Done that been their and have the service manual. I am 66 years old and have worked on cars all my life. And a truck driver for 45 years. Maybe that is why I am hearing things that ain't there or are normal. I am down to the point of drive it until it burns up something, then I will be able to find it.
Just hope it don't happen in the middle of nowhere and here in Nevada we have a bunch of nowhere. I should invest in satellite phone for some of the places I have been. I have even used a point and shoot thermometer and nothing is getting hot. More that usual. My other car is a 78 power wagon that gets 9 mpg. Can't afford to drive it and don't trust it anymore. Thanks for the help and any ideas.
If y'all are near Carson city, there was an old geezer at the last Jeep dealer on the right as you head south that was pretty pragmatic. Dunno if still there or even breathing...

I had torn a CV joint cover badly playing around near Silver Peak and stopped in.
They were busy but he took a look and said as long as it had a pretty good coating of lube, just drive it back to my own dealer and fix it when I had time--it wouldn't hurt anything.

The aluminum pumpkins on the axles seem to allow a lot of noise out that hurts nothing. If you don't want to be stranded somewhere out in the middle of Nowhere Nevada [just past Nowhere City Nevada] I'd suggest getting it looked at.

Front drive stuff can be dealt with by unhooking, but a wheel issue could be a lonnnnng walk.

And if you don't know when the steering stabilizer was replaced, replace it after looking up "death wobble"
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Old 01-15-2016, 03:14 PM
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Re: jimfrick

I like the aluminum pumpkin thought. About noise coming through it.
I did have the jeep dealer look at it and the only suggestion they had was change oil in the front and rear ends, for $300.oo . Something I already did in 45 minutes in my garage using 75/140 synthetic. For a lot less than $300.
The only thing I have yet to try is taking a sample of the oil to the local Caterpillar dealer and have it analyzed for mettle and other contaminates. But it "looked" perfect to me. Even had a drive line specialty shop check it out. He seemed to think it was a normal noise. I have had other cars with bearings going out and it sounds the same to me. And years ago, the truck I drove at work was making a woom woom grinding noise. I told the mechanic about it. He checked it out and said everything was fine. A few days latter the right front wheel fell off at 65 mph pulling 3 trailers across the middle of nowhere Nevada. That was a fun day. So I may be a bit "TOUCHY" about noises I can't figure out. I should of had a chunk of coal shoved up my butt that day, I would have ended up with a diamond at the end of the day. Thanks for the suggestions, will keep looking for the noise.
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