transmission shifting

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transmission shifting - 8/29/2004 2:08:10 AM    easystroke   Posts: 6 Joined: 8/29/2004 Status: offline I have a 99 durango that has just started shifting funny. It is only between 1 & 2 gear. Sometimes it shifts fine other times it acts like it slips when shifting. I read a few other post about the speed sensor but I don't have any check lites coming on. Any suggestions. Thanks, easy Post #: 1

RE: transmission shifting - 8/29/2004 12:40:15 PM    rockadaous   Posts: 243 Joined: 7/6/2004 From: N.C. Status: offline sounds like your dead on. I've read other people had the same problem with no lights. It's worth a try. http://www.autoclinic.net welcome to the boards _____________________________ rock 99 SLT + 4x4 a few mods My Durango (in reply to easystroke) Post #: 2

RE: transmission shifting - 8/29/2004 9:35:41 PM    easystroke   Posts: 6 Joined: 8/29/2004 Status: offline I replaced the speed sensor and it did seem to help with the shifting but it still doesn't feel totally right. Sometimes it wants to downshift right after it shifts from 1st-2nd when its under a good load. If I'm driven normal , it seems to do fine. The guy at autozone said there was a primary speed sensor but it was out of stock. I wonder if it is because alot of people are replacing them? Are there anymore sensor that I should be looking for? (in reply to rockadaous) Post #: 3

RE: transmission shifting - 8/30/2004 7:50:30 AM    rockadaous   Posts: 243 Joined: 7/6/2004 From: N.C. Status: offline TPS throttle position sensor. grey sensor on the throttle body. usually with the speed sensor your speedometer goes out too. < Message edited by rockadaous -- 8/30/2004 8:00:49 AM > _____________________________ rock 99 SLT + 4x4 a few mods My Durango (in reply to easystroke) Post #: 4

RE: transmission shifting - 8/31/2004 11:07:17 PM    easystroke   Posts: 6 Joined: 8/29/2004 Status: offline I have changed both the speed sensor and throttle position sensor with no luck. Any other suggestions? (in reply to rockadaous) Post #: 5

RE: transmission shifting - 9/1/2004 7:15:33 PM    Kensai Posts: 1667 Joined: 12/30/2003 From: United States Status: offline My transmission went to limp mode after pulling a uhaul trailer (this was a small single axle trailer with only 1 sofa in it) for a couple of days. After dropping off the trailer back to Uhaul, the transmission never shifted like it used to. Seems like I was always pulling something and also the transmission seems to shift when it should not. Eventually on the 2nd day after I pulled that trailer, the check engine light came on and my transmission would not leave 1st gear. Dealer check and then had to replace the governor switches. Re-flashed my PCM which is covered under emmissions warranty. Looking at my service receipt, there was a TSB on the PCM. It says "FLASH PCM PRE TSB 18-006-03". This was for my 2000 Durango R/T. Since then, and after replacing the Throttle position sensor, the R/T shifts and runs really great. (in reply to easystroke) Post #: 6

RE: transmission shifting - 9/2/2004 11:35:18 AM    easystroke   Posts: 6 Joined: 8/29/2004 Status: offline Is there anyway that you can flash the PCM yourself or do you have to take it to the dealership for that. I am looking at replacing the governor transducer first to see if that helps. (in reply to Kensai) Post #: 7

RE: transmission shifting - 9/2/2004 2:10:31 PM    Kensai Posts: 1667 Joined: 12/30/2003 From: United States Status: offline I don't know if you can flash the PCM yourself without having to buy some electronic hardware kit that can interface itself to the PCM. Problaby would cost you more to buy the hardware to flash it than having the dealer flash it for ya. You can problaby check with a reputable Dodge dealer and ask if your 1999 Durango has any TSB's on your PCM. IF so, you can get your PCM flashed without any cost to you. My dealer says that the updated flash on the PCM affects emissions and I think emissions has a 10 year 100k warranty??? not sure. But mine was covered under emissions. (in reply to easystroke) Post #: 8

RE: transmission shifting - 9/6/2004 12:04:20 AM    AndrewH Posts: 44 Joined: 8/20/2004 Status: offline Friend had the same problem with a 1999 dakota 5.2 and the governer sensor change out fixed the problem. _____________________________ Thanks, Andrew H 2002 SLT+ 5.9L no mods yet, but I only bought it Friday, Sep 3rd (in reply to Kensai) Post #: 9

RE: transmission shifting - 10/2/2004 12:48:17 AM    DodginLife   Posts: 6 Joined: 9/26/2004 Status: offline where is the governor sensor located at?? (in reply to AndrewH) Post #: 10

RE: transmission shifting - 2/14/2005 2:45:57 AM    chipstien   Posts: 2 Joined: 2/14/2005 Status: offline quote: ORIGINAL: DodginLife where is the governor sensor located at?? I believe it is located on the v/b (in reply to DodginLife) Post #: 11

RE: transmission shifting - 2/23/2005 2:53:36 PM    JMartin   Posts: 1 Joined: 2/23/2005 Status: offline I am having the same problem when shifting from 1st to 2nd primarily under load. Did anyone finally get this issue resolved? (in reply to chipstien) Post #: 12

RE: transmission shifting - 2/23/2005 6:40:37 PM    Kensai Posts: 1667 Joined: 12/30/2003 From: United States Status: offline quote: ORIGINAL: JMartin I am having the same problem when shifting from 1st to 2nd primarily under load. Did anyone finally get this issue resolved? on the 1999 models, there are 2 sensors. Speed sensor and something output sensor. I think the speed sensor is the one located by the rear axle and the output sensor is located at the end of the transmission. Or vice versa. Try replacing those 2 sensors. The parts are not expensive and it is not hard to replace if you have basic mechanical know how. (in reply to JMartin) Post #: 13

RE: transmission shifting - 3/2/2005 2:20:26 AM    JS07   Posts: 8 Joined: 11/8/2004 From: Fayetteville, NC Status: offline I am having a shifting problem as well, but it is between 2nd to 3rd. It will not shift unless I let off of the gas pause for 2-3 seconds and get back on it, even if I floor it it will max out on RPM's and not shift. Does anyone have any suggestions? _____________________________ '99 SLT + 4x4 INT MODS ONLY (in reply to Kensai) Post #: 14

RE: transmission shifting - 3/2/2005 10:27:26 AM    AndrewH Posts: 44 Joined: 8/20/2004 Status: offline quote: ORIGINAL: DodginLife where is the governor sensor located at?? Sorry for taking so long to reply, but I've been out of the loop after my wife and I had a new baby girl on Dec 6th. The sensor was located in the bottom of the tranny, in the valve body. We just removed the pan, removed the valve body, and popped out the retaining clip and the old sensor. Then, reversed the process for reinstalling it. But my friend did loose the retaining clip, so we had to fab one before we could finish. If I can remember, I'll ask my friend what exactly the part was called (with a part number) and exactly where it was located. _____________________________ Thanks, Andrew H 2002 SLT+ 5.9L no mods yet, but I only bought it Friday, Sep 3rd (in reply to DodginLife) Post #: 15

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