Noise under my hood 2003 Intrepid - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
 
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post #1 of 10 (permalink) Old 04-30-2012, 10:03 PM Thread Starter
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Noise under my hood 2003 Intrepid

So here's the deal a couple of weeks ago I started hearing a noise coming from under the hood area when I'm driving. However the noise isn't a knocking or ticking noise like I've seen in videos of people who have that issue w/the 2.7.

It sounds like a light rumble and I can only hear it when I'm going between 15-35 mph with my foot OFF the gas. It goes away when I accelerate or am traveling at fast speeds.

I have minimal mechanical knowledge and would like to get some opinions before I bring it in to have it looked at.

I read another post on another dodge site from someone sounding like he had the same problem on an 2001 intrepid. Here is what he said...

"Well, I figured it out, the bearing on the output shaft on the drivers side went and took a chunk out of the housing. Car is officially DOA"

I have no idea what that means but I believe DOA is dead on arrival and that worries me. My car has about 105,000 miles on it and I haven't really maintained it at all since buying it at around 68,000 miles (please don't flame me car lovers, been strapped for $) I just ordered new brakes, rotors, spark plugs, and some high mileage oil for a little tune up.

I need to get my alignment corrected too, my tires are wearing out horribly because of it.

#1 priority is to eliminate the noise. Any help is greatly appreciated. Thank fellow Intrepid owners.
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post #2 of 10 (permalink) Old 04-30-2012, 10:06 PM
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"I need to get my alignment corrected too, my tires are wearing out horribly because of it."

That might be your noise problem.
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post #3 of 10 (permalink) Old 04-30-2012, 10:08 PM Thread Starter
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I thought about that but why do I only hear it when I'm not giving it gas? And only at slow speeds around town. Highway driving is good but then again I do have my radio up most of the time.
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post #4 of 10 (permalink) Old 04-30-2012, 10:17 PM
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Possibly front hub bearings? But it would get louder with increased speed, not quieter.

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post #5 of 10 (permalink) Old 04-30-2012, 10:20 PM
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I would change gear oil too, youre about due for that along with being overdue for a timing chain and waterpump. But the diff fluid costs 10 bucks and can done at the same time as the oil.

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post #6 of 10 (permalink) Old 04-30-2012, 10:24 PM
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Maybe on acceleration it's masking the noise. Our cars aren't really quiet at high speeds with tire/wind/road noise.

Are you looking for a real fix or just complaining that you can't repair it for $5 or less? You admitted to needing an alignment due to tire wear. Get that fixed first. Even if you get an alignment with your tires already worn the noise might not go away. So you're looking at front tires and an alignment.
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post #7 of 10 (permalink) Old 04-30-2012, 10:34 PM Thread Starter
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Tires aren't completely shot yet. Alignments been outta wack for years.....I don't think that's whats causing the noise though.

I'm getting my alignment fixed regardless cuz I wanna put my low profiles back on. Took them off for a move from FL to NY.

I got an all new cooling system a few years ago which includes timing chain and water pump I believe. Got this at around 80,000 miles. Had a hole in my radiator so I got a new radiator, cooling, fan, hoses, thermostat, and all that.
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post #8 of 10 (permalink) Old 05-01-2012, 01:36 AM
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It could only be making the noise while accelerating or at higher speeds because the increase in RPM's could be tightening up the tires causing the noise to stop and the same for higher speeds too. Kind of like when you spin a top or a quarter and the faster it goes it will spin more true and as it gets slower it will start getting all wobly. But new alignment would be your main priority.
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post #9 of 10 (permalink) Old 05-01-2012, 06:23 AM
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Quote:
Originally Posted by MagicMan407 View Post
Tires aren't completely shot yet. Alignments been outta wack for years.....I don't think that's whats causing the noise though.

I'm getting my alignment fixed regardless cuz I wanna put my low profiles back on. Took them off for a move from FL to NY.

I got an all new cooling system a few years ago which includes timing chain and water pump I believe. Got this at around 80,000 miles. Had a hole in my radiator so I got a new radiator, cooling, fan, hoses, thermostat, and all that.
Who moves from FL to NY in this mess of affairs??

Have the alignment guy check for noise while he has it before it goes to the the machine?????
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post #10 of 10 (permalink) Old 05-01-2012, 07:34 AM
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Quote:
Originally Posted by MagicMan407 View Post
..."Well, I figured it out, the bearing on the output shaft on the drivers side went and took a chunk out of the housing..."

I have no idea what that means...
Doesn't sound like the writer of that did either - I would ignore it.

Besides what others have said, make sure you get the inner tie rod bushings (where the tie rods join the steering rack) checked - they do wear out on out cars - very common, and they cause handling and tire problems.

On the noise, the way you described it, it could be wheel bearings like Squilliam said, or it might be the inner joint of one of the half shafts (drive axles). When the inner joint goes out, it can make noise that will turn on and off with acceleration/decleration - but wheel bearings *can* do that too. Check the axle joint boots for splits/cuts.

With the wear on the tires, this may be a good time to get new ones. Quite often, once tires develop irregular wear patterns (and noise), you can never correct those tires, and the only way to resolve it is new tires (but only when whatever caused the problem to begin with is fixed - you don't want to ruin the new tires).

Oh - very important: When you get your alignment, get them to agree ahead of time to provide you complete 'before' and 'after' printouts of all the alingment parameters. That can come in very handy if there are continuing problems. If the first shop you go to refuses to provide that, go to another shop. We can help interpret the readings and determine what if any problems need to be fixed. Without the printouts, you're totally at the mercy of the shop (and their competence and integrity/honesty or lack thereof - which is why *some* shops refuse to provide them) on diagnosing and fixing problems.


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Last edited by peva; 05-01-2012 at 07:46 AM.
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