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J
Dodge Dakota
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2/21/2002
10:46:22
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 Subject: Rear end whine
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Hey Guys,
Ive got a 01 dak 4.7 auto, between 50-55 mph the rear end makes a whining sound. Doesnt happen at any other speeds, doesnt matter if on the gas or off. Was wondering if anyone else out there has had similar issues?
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juniork
Dodge Dakota
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2/21/2002
12:34:46
| RE: Rear end whine
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I have 2002 4.7L, if I listen real close I can hear mine whining at every speed, Dealer says its normal. I heard the same thinh on other post.
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Joe
Dodge Dakota
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2/21/2002
20:04:41
| RE: Rear end whine
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I have a 2000 4.7L and I can hear the whining at any speed also.
Did notice that it will stop if I take foot of the gas pedal. Then touch the pedal again, and the whine starts.
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dakota297
Dodge Dakota
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2/21/2002
22:52:55
| RE: Rear end whine
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YES, MINE 2 I HAVE A 02 QC 4.7L AND IT IS RIGHT @ 50-57 MPH AND A LITTLE WHINE @ 40ISH. DEALER WILL SAY IT'S NORMAL IT HAS 2 B SEVERE BEFORE DEALER WILL DO ANYTHING ABOUT IT. THIS IS A COMMON PROBLEM THIS IS A DC ISSUE. I LOVE MY DAKOTA BUT THIS IS ANNOYING ESPECIALLY WHEN NOTHING CAN BE DONE. HOPE IT DOESNT GET ANY WORSE I HAVE 5K ON MINE IT DIDNT MAKE A PEEP WHEN I BOUGHT IT NEW.
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Anthony G
Dodge Dakota
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2/22/2002
12:39:26
| RE: Rear end whine
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The higher the ratio the louder the gears get to a point. Even my old Borg-Warner Auss sytle on my GTA with 3.73 made a whine. Try 4.10 or higher, you'll think the 3.92 are quite.
Anything over 3.55 seems to be loud or whinny.
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dakota297
Dodge Dakota
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2/22/2002
12:52:29
| RE: Rear end whine
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anthony i'm sorry this is not true in this case
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DC
Dodge Dakota
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2/23/2002
00:29:54
| RE: Rear end whine
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My dak with the 3.55 gear only whines when I accelerate. When it gets to 35mph the whine fades away.
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dub
Dodge Dakota
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2/24/2002
04:30:35
| RE: Rear end whine
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I have an '02 that had the whine at about 50-55mph since day one. It got louder last weekend while we were out of town. By the time we got to the motel it was LOUD and at all speeds. The dealer in Shreveport has it now and is putting a new rear end in it. Said they couldn't repair it because some pieces were welded together due to the heat. It has 2500 miles now. I wonder if they forget to put lube in it??? Hope yours lasts longer.
dub
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dodgeguy
Dodge Dakota
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2/24/2002
05:51:34
|  RE: Rear end whine
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I have a 1993 Dakota Club Cab that has a rearend whine as well. My friends dad is a Chrysler certified master mechanic and he test drove my truck and told me that the whine is caused by two much backlash (slack) in the ring and pinion gears. He says it does not hurt anything but just proves to be annoying as Hell! He says the whine is a common problem on the Jeep Grand Cherokees as well which is what he specializes in. Hope this bit of info helps.
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iffer/Canada
Dodge Dakota
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2/24/2002
23:16:22
| RE: Rear end whine
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I am currently buying at Dakota, but have not decided on 3.55 or 3.92, are 3.92 the worst for the whining?
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J
Dodge Dakota
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2/25/2002
10:50:49
| RE: Rear end whine
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Thanks for the info fellas. Sounds like a common problem. Ive mentioned it to the dealer everytime ive brought in for service, so if it breaks in the future i can have dodge replace, hopefully.
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Montag
Dodge Dakota
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2/26/2002
14:11:48
|  RE: Rear end whine
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It sounds to me like the diff is going out. I have seen this happen twice. My friend has to drive a Ford Econline for his work and he said that it started whining at about 55 and when they took it to the shop the diff was shot. The second time it was with our all-wheel drive GMC Safari the front started whining and they said it was the yoke and pinion going out. You had better have it looked at just to be safe.
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TEAMFAST
Dodge Dakota
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2/26/2002
16:18:05
| RE: Rear end whine
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Get a louder exhaust.
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tyler brooks
Dodge Dakota
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2/26/2002
21:12:15
|  RE: Rear end whine
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i have the 3.92 i have had the dealer replace everything in the pumpkin to no effect. dodge = poor quality. buy junk get junk
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Irvin
Dodge Dakota
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1/13/2004
00:25:46
| RE: Rear end whine
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2000 5.7 I don't know the gear ratio of the rearend but it whine from about 20 mpr to 60 mpr.
Very annoying. Don't know what to do.
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strange man
Dodge Dakota
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1/13/2004
08:32:24
| RE: Rear end whine
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My 98 whined like that, so did my 93 My soluton was to install a 9.25 inch strange (auburn) posi unit, with yukon ring and pinion, the whine is louder now, because the more aggressive you ring and pinion gears are the louder they are. If the rear whines at certain speeds, and not others, it is probably a bad bearing, if you let it go, you will replace the diff. if you fix it now you wont. The agressive gear whine is a constant noise, but kinda makes the truck sound meaner. If your whine dies off at 20+ mph, it is probably because you are going too fast to hear it. remember that the sound is coming through the bed of your truck, so the other noises from the road, engine, trans, and screaming kids will muffle the noise from your diff. hope this helps.
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what if
Dodge Dakota
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1/13/2004
10:26:18
| RE: Rear end whine
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mine whines only when i let off the gas. weird
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joe mechanic
Dodge Dakota
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1/13/2004
16:49:11
| RE: Rear end whine
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If you hear a noise when you get on and off the gas (load/unload), it's usually a gear backlash or worn gear issue. If it's a constant noise it's most likely a bearing problem.
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Doug
Dodge Dakota
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10/07/2010
22:38:45
| RE: Rear end whine
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My 4.7l 03 dakota used to make wierd moans when going around tight corners in parking lots and when making u-turns. I had it serviced when it started to get bad. The mechanic who opened the diff said he found metal shavings throughout, and that the snap rings had fallen off the posi unit. The estimated cost to overhaul it was $2100. This sounded like bull to me, so i had him fill it back up and keep it as is. This noise stopped. A few months later, it started clinking loudly when I creep at very low speed, but there is no high speed whine or anything else. Should I be concerned? Ive read some horror stories about entire rear axles rolling across four lanes of traffic.
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