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DakotaMan
Dodge Dakota
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5/22/2002
15:08:06
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 Subject: Speed sensor gear
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Has anyone when changing their rear gears, changed the speed sensor gear on the carrier to fix the speedo from being off.
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Dan Gruber
GenIII
5/22/2002
16:54:20
|  RE: Speed sensor gear
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Message:
If you've got a 98 or newer (looking at your other post on gear oil you do), no speedo gear change is necessary. According to CW, 98 and newer use wheel speed sensors...I have no reason to doubt him since he's a Dodge tech. And he was right on mine...I recently changed the front and rear gears on my 4X4 and the speedo stayed where it was before the gear swap...reads a little low because I'm running larger than stock tires.
They guy who did my gears put in synthetic fluid...I can't remember exactly what weight, but I do know it was a multi-weight somewhere in the range of 80-120.
Say it with Krylon!
Dan
2000 CC SLT 4.7 4X4 Auto 3.92 LSD
3 inch Performance Accesories lift & 32 inch BFG MT KM's
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DakotaMan
Dodge Dakota
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5/22/2002
18:31:33
|  RE: Speed sensor gear
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Thank you so much I have had a hard time getting responses from this board.
I do appreciate it very much. Yes mine is a 98 v6 I pulled the gears out myself and attached to the carrier is this large flat gear with a lot of teeth and it lines up with the sensor coming out of the 3rd member housing, the sensor is located on the top of the pumpkin. I just assumed that this was the speed sensor because the carrier turns as fast as the ring gear.
Does anyone know what this thing is then???
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leaner
Dodge Dakota
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5/22/2002
18:41:48
| RE: Speed sensor gear
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Message:
ring gear
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4wDakota
GenIII
5/23/2002
09:32:31
|  RE: Speed sensor gear
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Message:
That is for the speed sensor. It turns with the tires thus gear changes don't affect it but tire changes do. To ket your speedometer correct if you've changed tires get the Superlift Tru-speed or KRC gear box.
98 CC 4x4, 5.2 Auto 3.55LSD
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DakotaMan
Dodge Dakota
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5/23/2002
10:25:46
| RE: Speed sensor gear
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Cool thanks guys I will go with a gear box that will work.
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dfw1417
Dodge Dakota
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6/27/2002
19:19:46
|  RE: Speed sensor gear
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Today my ABS and brake warning indicators came on. When I go around corners my speedometer drops to zero for about 15 seconds. The truck runs normal as always though. The Dodge advisor I talked to said it was a speed sensor problem. He said it would take about an hour to fix.
So, how hard is it to change this sensor and where is it? I have a 99 Dakota Club Cab with 5 spd?
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ian1872
Dodge Dakota
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6/27/2002
22:13:29
| RE: Speed sensor gear
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any mopar 5 star dealer can reprogram your computer to adjust for larger tires.
ian
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Junior999ca
Dodge Dakota
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7/04/2002
14:30:53
| RE: Speed sensor gear
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Message:
How much would one charge to reprogram for larger tires. I have the stock ones and I am thinking of getting 31X10.5 and mounting them either on stock rims or on steel stamped rims. Would I need to do this as I only have the stock 255X65 15R (if memory serves me right).
Are there any concerns that I should be aware of. There are no suspension mods as of yet..
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ian1872
Dodge Dakota
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7/05/2002
13:41:35
| RE: Speed sensor gear
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the dealership i called said they'd do it for free. you should probably just your nearest one.
ian
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Junior999ca
Dodge Dakota
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7/05/2002
14:02:26
| RE: Speed sensor gear
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ok I will have to call and see what the deal is with one near me.
Are there any other concerns that I should be aware of though?
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Yellow Dak
Dodge Dakota
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11/04/2002
03:00:51
| RE: Speed sensor gear
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Message:
I have a 1999 Sport with V6/5spd and I started it up this morning to find the BRAKE and ABS light on, plust the speedometer is INOP below 20 mph. I had a Durango that did the same thing but it was under warranty, so I didnt do the work myself. MY QUESTION: How hard is it to do? I can read a book once and do it myself, but was just wondering.
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stealwings
GenIII
11/05/2002
00:13:47
| RE: Speed sensor gear
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Message:
I have a similar problem. I have larger tires (33's) and I installed the KRC (abbot) gear box. All went well with installing and I have the speedo right on the mark but only one problem. The ABS wants to surge and activate when I stop. I noticed that when you go up in the ratio away from 1.00 it intensifies, when you go back down in ratio the ABS goes back to normal. What I'm trying to do is override the RWAL solenoid. I really don't give a hoot for the ABS but I want to shut it off with out interferring with speedo. Any suggestions? And I just want to say this is an awesome site for our trucks. Wouldn't know what to do with out it. Thanks, Greg
98 SLT Dak. 3 inch Fab tech suspension lift, 3 inch body, 33x12.5 BFG A/T KO tires, Eagle 589 wheels, 48 mm throttle body, ram air, JBA Headers, Flowmaster 3 inch exhaust, Ford/Bosch 19# fuel injectors, MSD coil, Bosch 4 prong plugs, Underdrive pulley and One day pictures.....
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dakotamaxx
Dodge Dakota
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11/05/2002
07:02:39
| RE: Speed sensor gear
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Message:
can a dealer set computer for 33 inch tires?has anyone had it done? iam off like 5 mph on speedo
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born2steel21
GenIII
11/05/2002
08:16:04
| RE: Speed sensor gear
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Message:
nope...they can only set it for stock tires...you'll have to look into getting a Truspeed Speedometer Calibrator from superlift to correct this
Negative Ghostrider, the pattern is full.
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stealwings
GenIII
11/05/2002
12:38:46
| RE: Speed sensor gear
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Message:
I talked Marty at KRC Performance and he said that's never happened to him before on any vehicle. He said to re-check the wiring that was installed for the box. There might be a problem with the length of the wire or a bad connection. Time to go back and re-check everything. Greg
98 SLT Dak. 3 inch Fab tech suspension lift, 3 inch body, 33x12.5 BFG A/T KO tires, Eagle 589 wheels, 48 mm throttle body, ram air, JBA Headers, Flowmaster 3 inch exhaust, Ford/Bosch 19# fuel injectors, MSD coil, Bosch 4 prong plugs, Underdrive pulley and One day pictures.....
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CMeFly
Dodge Dakota
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11/05/2002
13:04:48
| RE: Speed sensor gear
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Got mine fixed myself today for $33.17
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David
Dodge Dakota
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9/03/2003
11:03:46
| RE: Speed sensor gear
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I have a 1999 Dodge Durango. I also had the ABS light and brake light come on, and my speedometer would not work below 25mph. I purchased the rear speed sensor from my local Dodge dealership for $31.75 I replaced it myself with just a wrench and 2 sockets and 30 minutes. Instructions come with the replacement part and it was a breeze. It fixed all of my problems. :)
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dpepper152
Dodge Dakota
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10/20/2003
19:15:30
| RE: Speed sensor gear
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I have a 1999 Dodge Dakota Extended cab. My ABS and brake light are on and my speedometer doesn't work. I have replaced the speed sensor on the transmission and the instrument cluster. Help!!!
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tim
Dodge Dakota
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10/22/2003
16:21:11
| RE: Speed sensor gear
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dpepper152, replace the wheel speed sensor on top of the pumpkin. That should solve your problems. The part is around $40.
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BlakDak
Dodge Dakota
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10/29/2003
01:07:15
| RE: Speed sensor gear
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Message:
Thanks for the help guys!...98 4x same s%^t no speedo under 25.....abs and brake lites...New rear sensor,Alls cool! Till somthin else
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