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Grinding noise when accelerating

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  #1  
Old 02-15-2009, 03:47 PM
mdman mdman is offline
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Default Grinding noise when accelerating

Hey guys, new member here. I recently bought a 2001 Ram quad cab with the 5.9 magnum. Its got the factory offroad package, and has 100,000 miles on it.

Anyway, when I accelerate slowly from a stop I hear a grinding noise about half the time. It seems to be coming from the drivers side, toward the front of the vehicle. If I accelerate from a stop slowly I'll hear it, if I give it a little more gas than usual, I don't usually hear anything.

Any ideas? Thanks in advance!
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  #2  
Old 02-15-2009, 05:04 PM
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It sounds similar to my 95 chevy 5 speed when the clutch was going out, thats the best way I can think of to explain it.
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Old 02-15-2009, 05:15 PM
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Sounds like a caliper is is not sliding freely.
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Old 02-15-2009, 05:22 PM
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A break caliper? Interesting. That doesn't sound like too tough of a fix.
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Old 02-15-2009, 05:39 PM
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nah jack it up pull the tire and wheel off and spin the front rotor if its not scrubbing than thats not it. see if you can get somone to stand buy your truck when you take off, they might can get a better idea of where its coming from. good luck let us know
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Old 02-15-2009, 05:58 PM
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Thanks guys, I'll keep you posted!
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Old 02-16-2009, 05:38 PM
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The noise was gone today. Could the caliper have broken loose?
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Old 02-16-2009, 05:47 PM
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Anything is possible.
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Old 02-16-2009, 06:09 PM
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could have been a rock!? all is well then
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Old 02-16-2009, 07:04 PM
Erik Kuijvenhoven Erik Kuijvenhoven is offline
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hey guys could it be a worn out bearing?
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Old 03-10-2009, 11:07 PM
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Hey guys, I couldn't figure out the problem myself so I brought it to a shop and they diagnosed it as a bearing so I had the front wheel hub replaced.

It didn't help. Frustrating.

It only grinds when accelerating or maintaining slower speeds. Never while coasting. What could be grinding in the front end while accelerating?
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Old 03-11-2009, 12:29 AM
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Since the bearing is new I would go back to the brakes, replace them make sure that there is no crap stuck in there or the rotors and pads a gouged up. It could very well be at a point that it is only audiable at certain speeds.

Also, does replace the HUB actually replace the bearing? I know on my CJ5 they are seperate and can be replaced as such.
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Old 03-11-2009, 11:40 AM
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Yes the wheel hub is a big, sealed unit containing the bearing. I wish they were separate, it would've been much cheaper.

I am suspicious of the breaks and pads as well, but don't understand why it only happens when I'm accelerating.
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Old 03-11-2009, 11:43 AM
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cv Joints?
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Old 03-11-2009, 02:07 PM
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Quote:
Originally Posted by dodge15004x45.9 View Post
cv Joints?

That would explain why I only hear it when accelerating right? I think I need to bring it back in to the shop, its nice to have an idea of what I'm talking about before I go. Thanks for the suggestion!
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Old 03-11-2009, 05:46 PM
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Don't go in there saying cv joint, because that won't tell them you know what your talking about.


Is it doing this grinding in 2wd ?
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Old 03-11-2009, 06:04 PM
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Yup it does it in both 2 and 4wd. I'm puzzled. It only happens when the engine is under strain.
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Old 03-11-2009, 06:24 PM
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The front end is not under strain when in 2wd. So I'd say you have to check the rear diff, u joints on rear shaft, rear wheel bearings, rear brakes, or worse case, transfer case.
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  #19  
Old 03-11-2009, 06:27 PM
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The noise comes from the front end, it almost sounds like its under the dash.
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Old 03-12-2009, 01:53 AM
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When was the last time you checked your front Diff oil?

It could be a resonation deal, i.e. only happens at a certain frequency under a certain load and speed. witch leads me back to the brakes.
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Old 03-12-2009, 01:53 AM
 
 
 
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94, accelerating, car, dodge, end, front, grinding, makes, making, mustang, noise, ram, rotor, stop

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