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neil wagar
Dodge Dakota
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12/10/2003
13:24:29

Subject: RE: Whistle in cold weather
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i finally figured it out- it was the altenator! put a new one on and it hasn't happened since.



K-Dak
Dodge Dakota
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12/13/2003
22:46:57

RE: Whistle in cold weather
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I get the same whistle sound from around 65 mph - 75 mph, but only at steady speeds. If I accelerate or deaccelerate it stops. It sounds like it is coming from the dash, but the vents are off, I turned them on heat and vent and still the same thing. So far I seen on the board it could be:

1) plastic wiper cowl
2) Cat. Converter
3) Fuel pump (that would be close to the rear, right?)
4) Altenator
5) Serpentine belt

This is the 2nd winter it did it to me and I am tired of listening to it. I know if I take it to the dealer not suggesting anything, they will probably blame it on the aftermarket mods. Anything will help

02 Graphite 3.9L RC



Peter
Dodge Dakota
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1/27/2004
21:10:53

RE: Whistle in cold weather
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I live in New Jersey. Own 2001 Dakota v6 automatic And recently when the temperature is in the single digits a very loud "whistle" comes from the engine bay
It seems to happen about 20 mph and 40mph and also at around 65 mph, it will stop when I slow down or spead up past those speeds.
Does anyone have any possible solutions or has anyone experienced the same problem?

3.9 liter V-6
2001 Quad Cab




DakDUDE
Dodge Dakota
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1/27/2004
23:06:07

RE: Whistle in cold weather
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hey guys.

K-Dak, Peter: Is the noise you describe constant or does it go away after a few minutes/miles. I got a whistle on mine in the cold only but it goes away after a couple miles, so I think its the serpentine belt (although it was changed in October). If your noise is happening all the time, even after a few minutes of driving, I dont think it is the serpentine belt. The serpentine belt, even if worn, will warm up and stop whistling or squeeling. Sorry, wish i could help you guys out more



JimRoss
Dodge Dakota
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1/28/2004
19:22:05

RE: Whistle in cold weather
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I am having the very same problem. Whistles at certain speeds ( around 40 and 65 ).
2003 CC, 13k miles.

Jim



Jared
Dodge Dakota
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1/28/2004
20:02:16

RE: Whistle in cold weather
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Mine does the same thing. It seems to be coming from inside the dash in the area of the instrument cluster. It sounds like a vacuum leak to me since it changes tune at different RPM's. I'm planning on making a pest of myself at the dealer until they can find the problem.

2003 sxt CC 5800 mi



JimRoss
Dodge Dakota
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1/29/2004
10:39:29

RE: Whistle in cold weather
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Yea, same here Jared. I have the SXT also. Let me know what you find out please.



maine dak
Dodge Dakota
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1/29/2004
11:05:04

RE: Whistle in cold weather
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trust me guys, you dont know cold (exc. canada). the whistling is coming from the altenator. our truck decide how much juice is in the battery and how much to charge by way of a temp sensor under the battery. When its cold it gives a very false temp reading so the alt. needs to work overtime to recharge. It should go away after a few miles. And from what i've heard this problem seems to appear mostly after a replacement battery was installed.



maine dak
Dodge Dakota
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1/29/2004
11:15:05

RE: Whistle in cold weather
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trust me guys, you dont know cold (exc. canada). the whistling is coming from the altenator. our truck decide how much juice is in the battery and how much to charge by way of a temp sensor under the battery. When its cold it gives a very false temp reading so the alt. needs to work overtime to recharge. It should go away after a few miles. And from what i've heard this problem seems to appear mostly after a replacement battery was installed.



v6Dakflow
Dodge Dakota
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1/29/2004
13:59:57

RE: Whistle in cold weather
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Mine will whistle on cold mornings for around 3 minutes or so and then go away. From what I read, this is the serpentine belt. How much does it cost to replace this belt and is it worth it?

thanks



K-Dak
Dodge Dakota
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1/29/2004
18:32:03

RE: Whistle in cold weather
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Jared,

That is what I think it is too, Vacuum leak of some sort because, this doesn't start happening till my vehicle warms up. And when I hit the gas or let off it stops but when I press the gas and hold it at a steady speed, it will start again. I notice when I take it out of O/D at that speed it will not whistle, that is why I think it is a Vacuum leak problem.

02 Graphite 3.9L RC



DakDUDE
Dodge Dakota
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1/29/2004
18:58:58

RE: Whistle in cold weather
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V6Dakflow

first visually inspect the belt for cracks to make sure it really needs changing. If it does, go to NAPA and get a belt for like $45-$60. (I just had mine done at 61k). I would only bother to change the belt if its worn, because even new belts will squeek some in extreme cold.



hey maine dak
Dodge Dakota
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1/29/2004
19:03:14

RE: Whistle in cold weather
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hey maine dak (or anyone)

My truck does that squeek you described and it will go away after a few miles. But it doesnt matter how long i let it idle to warm up before i drive it, it will still squeek. And the faster i go, the faster the squeek. But if it also only does it when im accelerating. Is that what ur talking about?



Jared
Dodge Dakota
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1/29/2004
19:16:54

RE: Whistle in cold weather
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I have not popped the hood in the mornings that it does it since it is usually cold (I live in Rhode Island we've had about a month of single digit mornings). I've noticed mine will whistle until it reaches operating temp at low speeds and then it will go away. Occasionally it will do it at highway speeds. I've noticed on the highway that it occurs between 65 and 75 mph. It only happens at these speeds when the truck is warm.

I still think it sounds like a vacuum inside the dash, but I will pop the hood tomorrow morning if it is cold enough and check to see if its coming from the belt. this may be difficult since it seems to only happen when the truck is moving. I'll try giving it some gas in neutral to attempt to duplicate the noise. If so, I'll replace the belt myself since I really don't trust the dealer. I'll let you guys know what I find (if anything) tomorrow after work.

My truck is a 5 speed, is anybody having this problem with an automatic?



DakDUDE
Dodge Dakota
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1/29/2004
20:10:03

RE: Whistle in cold weather
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Hey Jared
my truck does the same thing. It only squeeks while moving and then goes away after it reaches operating temp. Ive tried giving it gas in neutral to make that sound but wont do it. I dont think its the belt. I just had my belt replaced in October. But i will be interested to see what you find.

BTW, mines a 5 spd. im from VT, so i sympathize with you about the cold.



JimRoss
Dodge Dakota
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1/30/2004
01:04:52

RE: Whistle in cold weather
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My noise is not a squeek or squeel, its a whistle for sure. And it is not anything to do with the battery being cold and making the alt charge more. The noise sounds like it is coming from the dash or just behind the firewall. Does it with or without the OD. 40 & 60 is when I notice it. Does it at first startup and later when its at normal op temp. Really does sound like its vacuum related.
Best way I could describe it..sound like the wind howling. I dont believe its a wind noise as it never did it during warm weather.



Jared
Dodge Dakota
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1/30/2004
16:54:10

RE: Whistle in cold weather
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I popped the hood this morning and gave it a little gas using the throttle linkage. There is a fairly quiet whistle that comes from the alternater. It only did the high pitch whistle once while the truck was moving this morning. This is going to be a difficult noise to isolate since it does not do it all the time and I'm having difficulty duplicating it. I'll keep this post updated if I find anything out.



CHRIS
Dodge Dakota
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1/31/2004
01:36:44

RE: Whistle in cold weather
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Jim, it's definitely not a wind noise. I get the same loud whistle when driving on the highway between 65 and 75. This started once the temp dropped into the single digits. (I live in MA) I also get the faint whistle like Jared described and believe the two are related. However, I can't seem to get the truck to duplicate the noise when I take it to the dealer because it seems to occur after driving for 20 minutes. I am at a loss and will go crazy if I have to listen to the whistle much longer. My Dakota is a 2003 - 6000 miles. Let me know if you guys have any luck.



CHRIS
Dodge Dakota
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1/31/2004
01:49:02

RE: Whistle in cold weather
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Jared, I get the same whistle, mine is an automatic. Forgot to note this in my last post.



rparte
Dodge Dakota
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1/31/2004
17:49:17

RE: Whistle in cold weather
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Don't know if this may apply, buti had a whistle start up some time back. some times it would get really loud. Turns out it was a vac. leak between my tb spacer (I know ..pointless) and the manifold. A little lock tite and a good crank on the wrench...fixed.



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