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sandman
Dodge Dakota
7/30/2001
19:32:46
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 Subject: Quad Cab Owners!!!!!!!
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Message:
Try this. Get up to 60 miles per hour and put one of the rear windows down with the other three completely up. Tell me if the empty passanger seat begins to buffet and the cabs begins to vibrate badly. I thought that my tires wear out of balllance or that I had a lose drive shaft. I noticed it only happened when I would begin putting one of the rear windows down. The second I opened another window it went away. I tried this 8-9 times on the way to work and each time I put just one rear window down with all other windows completly up it would vibrate badly. P.S. Make sure your front passanger seat is empty.
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Blizzard
Gen III
7/30/2001
19:40:34
|  RE: Quad Cab Owners!!!!!!!
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Message:
Yeah ... must be a quad cab thing. Mine does it too. I just open the opposite window (like front driver/rear passenger) and it seems better. Must be a new fangled feature of aerodynamics! hehehe
'01 QC 4x4
5.9L, 3.92 LSD, loaded
www.geocities.com/blizzzzard69
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Dr.Q
Dodge Dakota
7/30/2001
19:53:37
| RE: Quad Cab Owners!!!!!!!
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Message:
OK now try this--let all the air outta right front tire, drink a bottle of Jim Beam and when you hit eighty put a blindfold on. Do you hear the ginding metallic soud?
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Dr.Q
Dodge Dakota
7/30/2001
19:54:00
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
OK now try this--let all the air outta right front tire, drink a bottle of Jim Beam and when you hit eighty put a blindfold on. Do you hear the ginding metallic sound?
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Grant
Dodge Dakota
7/30/2001
20:27:45
| RE: Quad Cab Owners!!!!!!!
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Message:
Same problem (not the Jim Beam thing). Doesn't seem to matter if I have the front window down or not.
Had an 84 Daytona that had the same problem. The cure there was to open the sunroof. Haven't found a way to cure the Dakota thumping.
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sandman
Dodge Dakota
7/30/2001
22:17:37
|  RE: Quad Cab Owners!!!!!!!
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Message:
This is just my second American made vechile/Brand vechile. The other domestic brand was a ford tempo in highschool that nickle and dimed me to death. All of the other vechiles in my life have been imports. I have never seen this before. I was talking with the WWW.GMGOODWRENCH.COM internet responce team today at work and they told me that the early 4 door s-10 Blazers did this as well. This is rediculous. Daimler ought to be ashamed to put out a product like this. I guess they are too busy milking dodge Chrysler for all it worth to notice these design flaws.
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Bruce P.
Dodge Dakota
7/30/2001
22:24:24
| RE: Quad Cab Owners!!!!!!!
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Message:
Many aerodynamic vehicles will exibit this phenomena. The laminar airflow over the outside of the vehicle is interuppted when a window is down. I can name several asian, domestic and European vehicles which will do this. (Sounds like a VERY low frequency subwoofer in the back seat
Besides... it reduces MPG to have a window down over 40 MPH anyway.
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Mark G.
Dodge Dakota
7/31/2001
00:49:19
| RE: Quad Cab Owners!!!!!!!
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Message:
If I keep the sliding window cracked an inch or two, no drumming sound. Have experienced this in many newer cars, foreign or export. My Subaru with the sunroof open was undriveable without the rear windows cracked. Don't think Dodge did anything wrong....this time.
Mark
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99DurangoV8
Dodge Dakota
7/31/2001
06:51:09
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
You should try hanging out of an Air Force C-130 going 135 knots, that is some buffeting to be reckoned with.
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koz
Dodge Dakota
7/31/2001
11:19:49
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
This can only mean one thing:
SHOT MUFFLER BEARINGS !!!!!!
...time for a DC recall letter...
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Dr.Q
Dodge Dakota
7/31/2001
11:58:05
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
I think his McMurry capacitor is shot causing a glazing of his torsion grommet.
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Dr.Q
Dodge Dakota
7/31/2001
13:48:41
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
Seriously(now you have to bear with me 'cuz I can only doit for so long), it sounds like your quad cab has become the equivalet of a whistle. You ever blow across the top of a bottle? this is the same thing at 60 MPH the air is flowin across the opening of the window fast enough to resonate in the car. Which in your case is at a very low freq. Just about any enclosed objet with air rushing by a single opening whill exhibit the same type of deal, Flutes, organs, coke bottles, quad cabs. If you don't beleive me look up the Benulli effect its the same principle that 'splains how wings on a plane work.
Your Pal.
Dr.Q (the science guy)
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Dr.Q
Dodge Dakota
7/31/2001
15:34:46
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
Fyi
Unforurt
How a flue pipe makes sound:
http://www.ask.com/main/metaAnswer.asp?t=m&s=a&metaEngine=directhit&origin=0&MetaURL=http%3A%2F%2Fask%2Edirecthit%2Ecom%2Ffcgi%2Dbin%2FRedirURL%2Efcg%3Furl%3Dhttp%3A%2F%2Fwww%2Etheatreorgans%2Ecom%2Ftechnical%2F%26qry%3Dhow%2Bdoes%2Ba%2Bwhistle%2Bwork%26rnk%3D16%26cz%3D2847c34bf62c7156%26src%3DDH%5FAsk%5FSRCH&qCategory=ref_&metaTopic=pipe+construction+illustrations&ItemOrdinal=5&logQID=F63B47EC885A8B4A94C66A416CDEF803&sv=an22&back=http%3A%2F%2Fwww%2Eask%2Ecom%2Fmain%2FmoreResults%2Easp%3Fask%3Dhow%2Bdoes%2Ba%2Bwhistle%2Bwork%26origin%3D0%26qsource%3D0%26qcategory%3Dref%5F%26logid%3DF63B47EC885A8B4A94C66A416CDEF803%26sv%3Dan23%26offset%3D0%26base%3D10&ask=how+does+a+whistle+work
OK its a long honkin' address but it will tell you about why you truck vibrate when the rear windo is open and how an organ works.
the short and sweet version.
Initially, the air in a pipe is at the pressure as air in the surrounding space. When air begins to flow through the mouth, it blows a small stream of wind (W in the diagram) across the opening (called the mouth of the pipe, as indicated by the letter M in diagram LXI.) What happens next, due to the Bernoulli principle, (or was it Venturi? No, it was Bernoulli.) Air inside the pipe gets sucked out along with the air in the stream. This causes a low-pressure condition in the pipe, as shown in LXII. This does not last long, because pressure outside the pipe pushes in through the mouth, and actually pushes the whole wind-stream in the pipe. This does not last long either, as pressure now begins top build inside the pipe. (Fig LXIII) This pressure causes the wind-stream to be pushed out the mouth. and thus we have a cycle. This back-and-forth movement of air is perceived by us as a sound.The astute observer will note that this is nothing more than a whistle. This is something I find amazing. That pipe organs (can) make such lovely music, and actually be nothing more than "a box of whistles". (Actually, this pipe can correctly called a reed pipe, although almost no-one would understand. It is perfectly correct to consider the stream of air a type of reed, and "air-reed".)
Dr.Q Blinded by Science!
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sandman
Dodge Dakota
7/31/2001
22:53:31
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
It was not the noise that bothered me. It was how violently the cabs interior resonates. The passanger seat was shudering so hard that you would think that a small child was kicking it very hard and quickly. Remember that bridge in Washington state?It was destroyed by resonate freq. It was destroyed by mild wind? Speaking about C-130's have you made at least 100 jumps to get you 10% disability yet. I have known alot of Airborn personel.I know one individual that has made 10,000 jumps will on active duty. He started jumping back in 1966 0r so. My family was at Ft. Benning and Ft. Bragg alot!!!!!!!!! No I do not jump out of perfectly good airplanes unless I have too. I am trained as a Comercial Pilot, CFII, Multi, Sea, Land, ATP yada yada yada.....I have nothing but respect for those people that do this routinely but I would not do it unless I was forced to attended Airborn school. It is not good for your body to impact at 24+ MPH. I have seen too many careers ended by one bad jump! When you decide to quite jumping you realy might want to see a Chiro-Practor. I doubt you are fully aware of the trama that your spine takes with each jump. Avoid low alt. low open jumps!!!!!!!!
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mason
Dodge Dakota
9/06/2001
14:21:14
| Quad Cab subwoofer
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Message:
Does anyone have a good idea on how to conceal a 8" or so subwoofer in a Dakota Quad Cab, mine is a 2001.
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Robert
Dodge Dakota
9/06/2001
17:44:57
| RE: Quad Cab Owners!!!!!!!
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Message:
Have you tried changing the aerodynamics of the truck such as adding the bug shield to the front of the hood or by adding those rain deflectors/sun shields over the tops of the windows? this may or may not help some but its worth a try. you should be able to get these at your local wal-mart pretty cheap.
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KCDak
Dakota Enthusiast
9/07/2001
08:55:32
| RE: Quad Cab Owners!!!!!!!
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Message:
I have both of those and a grill guard and tried this out last night. I still get some vibration if I open the driver side rear window, but not the passenger side. I can hear the sound and vibration, and the seat vibrates some, but I don't know if it is as bad as some of you are saying. It is more annoying than anything hearing the sound. Hope this helps.
Jason
'00 Sport Quad 4.7L 4x4 3.55
http://www.jnjanderson.com
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OffRoadRuss
Dodge Dakota
11/08/2001
08:37:59
| RE: Quad Cab Owners!!!!!!!
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Message:
I have a QC and often experienced this vibration when the windows were down.
I recently installed the rain guards over all 4 windows and it redirected the wind enough so that the "helicopter" noises went away...
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Eric
Dodge Dakota
11/08/2001
09:57:28
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
I get the same deal... I usually run with the drivers window down, and the rear passenger window down (creates a nice flow thru the cab, even at high speeds) BUT at about 55-60mph it will shake quite vilently. The first time it did it, I actually slowed down because I thought something in the car was broken... One other observation, it does it even worse if the wind is coming from teh right as well.
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Dave Mitchell
Dodge Dakota
11/08/2001
17:05:23
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
Oh... That's what causes that noise? I thought it was the other cars with their subwoofers! Sounds the same to me...
Dave
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xplikt
Dodge Dakota
11/08/2001
17:10:39
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
LALOs, BAAAAAD. HALO, Goo...STILL BAAAAAD! Heh, I've always wanted to take up BASE jumping personally. Too expensive though.
My parent's '90 4Runner does this too, it's not just an "American" thing..
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Dave
Dodge Dakota
12/12/2001
22:16:59
| RE: 2000 dakota sport
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Message:
I'm getting a THUMP and can fell it through the floor board when I'm turning and going up
a slight upgrade ex:driveway. Had it to the dealer said can't find anything wrong with front end. Can
anyone help.
Thanks
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BB2DAK
Dodge Dakota
12/13/2001
10:00:39
| RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
Check out this post for the front end thunk!
http://www.dodgedakota.net/boards/dea/59.html
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dk
Dodge Dakota
12/13/2001
13:23:03
| RE: Quad Cab Owners!!!!!!!
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Message:
It's called wind buffetting. My QC does it. And my 95 Yukon does it even worse. Just crack another window, and forget about it.
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adam
Dodge Dakota
JOIN HERE
7/24/2002
11:57:00
| RE: Quad Cab Owners!!!!!!!
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Message:
Have your dealer check your front sway bar bushings and mounts, also the ball joints have a tendancy to comit suicide at a young age.
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Adam
Dodge Dakota
JOIN HERE
7/24/2002
12:02:09
| RE: Quad Cab Owners!!!!!!!
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Message:
My 2001 quad cab sport 4x4 vibrates like a dog peeing on an electric fence at 35-45 mph. I have taken it to the dealer four or five times. They keep finding things to replace, but still have not found the problem. So far the ball joints, swaybar bushings and mounts, and trans. mount have all been replaced. I have tried switching rims and tires off of a brand new truck and it still vibrates. Has anyone else expereinced any vibration? What did you do to fix it?
Thank you,
Adam(alitterell@hotmail.com)
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Patty
Dodge Dakota
JOIN HERE
1/19/2003
07:36:59
| need help quick...
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Message:
I am thinking about buying a dodge dakota quad cab year 2000 with 55000 miles for 14400.
Is this a good deal?
Are there any problems I should know about?
Thank you!!
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Dragon
Dodge Dakota
JOIN HERE
1/19/2003
08:31:11
| RE: Quad Cab Owners!!!!!!!
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Message:
My old 96 Jeep Grand Cherokee did this whenever I had either rear window down with the front ones up.
However, I've never experienced the grinding metallic sound with the Jim Beam thing. But I could be mistaken as the screams of my passengers were real loud...
Michael
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The Dude
Dodge Dakota
JOIN HERE
1/19/2003
13:24:32
| RE: Quad Cab Owners!!!!!!!
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Message:
C'mon guys, God-forbid you have to open two windows. At least open one and crack the other. Problem solved.
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TexasTodd
Dodge Dakota
JOIN HERE
1/19/2003
15:46:08
|  RE: Quad Cab Owners!!!!!!!
IP: Logged
Message:
1st of all,
Patty, start a new thread for #%#%^$ sakes!!!!
You doug up a 7/02 thread, and changed it even.
YOu're banished for life!! Use some forum etiquette OK? (however you spell it)
Anyway, I have a quad, and when I'm towing my boat, and put the windows down, over 80mph, it gets real windy, can Dodge fix that? duh.
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MATT
Dodge Dakota
JOIN HERE
7/16/2003
23:43:15
| RE: Quad Cab Owners!!!!!!!
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Message:
DOES ANYONE KNOW WHAT YEAR DOGE INTRODUCED THE QUAD CAB?!
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