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Danny
Dodge Dakota
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1/07/2004
22:03:02
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 Subject: transmission help???
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Message:
I have a 2002 quad cab slt 4.7 automatic trans.The problem is when I'm at a traffic light and I let off the brake, my truck bucks forward, like something is sliping. I checked the fluid, it's fine,also no codes showing up.It does'nt do it all the time.20,000miles. Anybody have any ideas??? Thanks.
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Might Be This
Dodge Dakota
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1/07/2004
22:13:18
|  RE: transmission help???
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http://www.dodgedakota.net/boards/gen/216.html
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Atlantic Blue
Dodge Dakota
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1/08/2004
06:39:02
| RE: transmission help???
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Message:
My '03 4.7 does the same thing as well as buddies 4.7 that I have noticed. It's not the gas sloshing around it's when you have been stopped at a traffic light for example and you take your foot off the brake before you touch the gas pedal.
I think it's normal and nothing to worry about.
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RadioMan
Dodge Dakota
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1/08/2004
08:24:35
|  RE: transmission help???
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Message:
Take it back to the dealer. If they can't fix it,
get rid of it. You'll be hard pressed to find
anyone that knows anything about them including
the dealer. Tranny shops and dealers play guessing
games with your money.
Good luck
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Robinson Loes
Dodge Dakota
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1/09/2004
11:46:00
| RE: transmission help???
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Message:
I have a 2001 and it does that very slightly due to a quick idle chage like when the ac compressor cycles. I believe it is normal. That 4.7 has a good amount of torque and hp which makes it more noticeable. Believe it or not, it did it just the other day when I turned my heater off.
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Rob C
Dodge Dakota
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1/11/2004
02:13:56
|  RE: transmission help???
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Are you talking about the symptoms described in this TSB?
030400 - INTERMITTENT BUMP FELT AFTER VEHICLE HAS COME TO A FULL STOP
Date: 06/23/00 (supercedes 030799 dated 10/29/99)
Model year(s): 1999-2000
Description: A condition may exist where the vehicles owner may feel an intermittent bump (stop-bump) once the vehicle is brought to a full stop. The repair technician may erroneously diagnose this condition as a delayed transmission down shift into first gear. This condition may occur 3 to 20 seconds following the stop or when the load on the rear driveline is reduced (e.g., when the applied brake pressure is decreased). The stop-bump condition may be the result of a binding between the splined surfaces of the rear propeller shaft slip yoke and the rear output shaft of either the transfer case or the transmission. As load on the driveline is reduced, the bound slip yoke will release suddenly causing a bump-like sensation. The condition may be intermittent. If the above condition has been experienced, then perform the Repair Procedure. The splined surfaces on the slip yoke section of the new propeller shaft are nickel coated to reduce the opportunity of binding.
Details: THIS BULLETIN APPLIES TO VEHICLES BUILT BEFORE SEPTEMBER 20,1999. A WJ EQUIPPED WITH A 4.0L ENGINE, A NV242 TRANSFER CASE, AND A 198 RBI (M35) REAR AXLE USES A DIFFERENT STYLE REAR PROPELLER SHAFT THAN THOSE WHICH ARE ADDRESSED IN THIS TECHNICAL SERVICE BULLETIN. FOR THIS VEHICLE, THE SPLINED SURFACES ON THE PROPELLER SHAFT SLIP YOKE AND THE TRANSFER CASE OUTPUT SHAFT ARE GREASED TO PREVENT A BINDING CONDITION AND DO NOT REQUIRE REPLACEMENT.
Parts required:
52099484AD Shaft, Drive (4.0L / 4x2 / 42RE / 198 RBI – M35)
52099485AE Shaft, Drive (4.0L / 4x4 / 42RE / NV247 / 198 RBI – M35)
52099486AC Shaft, Drive (4.7L / 4x2 / 45RFE / 226 RBA – M44)
52099487AC Shaft, Drive (4.7L / 4x4 / 45RFE / NV247 / 226 RBA –M44)
52111483AB Shaft, Drive (4.0L / 4x4 / 42RE / NV247 / 226 RBA – M44)
52111490AB Shaft, Drive (4.7L / 4x4 / 45RFE / NV242HD / 226 RBA – M44)
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Atlantic Blue
Dodge Dakota
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1/11/2004
09:45:41
| RE: transmission help???
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It says that the bulletin applies to vehicles built before September 20, 1999 so I doubt that applies for his 2002.
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Danny
Dodge Dakota
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1/11/2004
14:11:26
| RE: transmission help???
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Message:
Rob C. It is not the intermittent bump I am talking about,athough I do get that ocassionally.I am in drive, then I let off brake and it chugs forward at idle,almost shaking forward with the engine idle.It only does it at idle in drive engine warmed up or cold.
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Chris
Dodge Dakota
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1/12/2004
21:02:25
| RE: transmission help???
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Message:
I also have an 02 with the 4.7 (quad slt). If i'm at a stop and slightly release the brake and let it creep a bit, i will get a rocking sensation. I've wondered what this may be, as the truck is new to me. (20k miles)
Thanks,
chris
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