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Pickups Dodge Dakota Dodge Dakota Transmission Problems
683 messages, Last post on Nov 11, 2009 at 2:17 PM
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Replying to: headcheese (Jan 13, 2009 8:21 pm) The temperature sensor for Chrysler automatic transmissions are located inside the transmission and measure the temperature of the transmission fluid. On RE series transmission the temperature sensor is integral with the Govenor Pressure Sensor that is attached to the valve body. On RFE transmissions the transmission temperature sensor is part of the Transmission Range Sensor (TRS) that is attached to the transmission solenoid assembly. In general, Chrysler truck transmission (REs, RFEs) are designed to have no overdrive under 40 degrees F, and no torque converter lock up under 80 degrees F fluid temperature. Regards, Dusty |
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I have a 2001 Dakota Quad Cab 4x4 with the 4.7L V-8. Typically when I start the truck, even in warm weather, for the first couple of hundred yards the automatic transmission seems to slip a bit. The engine has a loud roaring sound as it revs without the tranny doing much. After a couple of hundred yards it seels like the tranny "catches up" with the engine and everything runs fine after that. The truck only has 52,000 miles. Any ideas? |
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Replying to: dustyk (Jan 04, 2009 8:55 am) |
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Replying to: cmyawn (Jan 19, 2009 4:44 am) *Low fluid level * Fluid level too high *Defective or clogged transmission cooler return filter; clogged cooler or transmission cooling lines;low hydraulic pressure. NOTE: Some Cooler Return Filters were defective for a period of time. Symptoms generally manifest themselves as slow initial gear engagement from park, or over engine revving (flair) on shifts. *Defective Throttle Position Sensor. Regards, Dusty |
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Replying to: cmyawn (Jan 19, 2009 4:44 am) Yours is a very common misconception... the xmission is NOT the issue at all. Instead, the sound you hear is the belt-driven fan. Under some ambient tempartures, the silicone-clutch on the fan will make the fan "roar" for 2-5 minutes when you first start a cold engine. After awhile, the silicone will 'loosen up' and allow the fan to freewheel as it is suppsed to. The "roar" goes away at that point. Even my MANUAL xmission 4.7L semi-hemi will make that "roaring" sound under the right conditions... I KNOW that my xmission is not the problem. This "roar" sound is a VERY common complaint especially after a summer of not hearing it and the mornings start to be about 40F. (40F is the temp where the "roar" seems to happen the most.) Try this, the next time you start the engine cold, gently rev the engine.... you will hear that "roaring" sound even when the xmssion is in Park. This proves the "roaring" is not the xmission at all. Another way you can tell it is not the xmission is to look at your Tachometer... it will not show you any unusually high RPMs when the "roaring" is happening.
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Replying to: bpeebles (Jan 19, 2009 7:20 pm) After re-reading the original post, I have to conclude that your diagnosis is probably correct. Unfortunately, I was reacting to the poster's conclusion, and not the symptom. I should've known. I haven't seen a bad 545RFE yet! How are the temps up there? Last week I had a 2 degree reading on my thermometer at about 5:00 AM one morning. Coldest day so far. How about you? Bests, Dusty
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Evening All, I have a 2001 Dakota Quad Cab w/202k miles on it. When traveling down the thruway the RPM's surg from the normal 2000 up to approx. 24-27000 and then settle back into the normal range. This seems to occur more often when the road is bumpy (I know how silly that sounds, I typed it), and less often when I am going up an incline. At it's worse, this occurs every 20-30 seconds, then it won't happen for 1/2 an hour. I bought the truck new, and have always let Dorshel work on it and do what they recommend, up until 2 years ago. Then I went to work 40 miles East and have had it serviced by a local garage when it acted up (brakes, inspections,ect). I have had NO tranny problems, the fluid is not burnt smelling and is in the normal range, and even still has that red color to it. I travel 30,000+ miles /year, mostly highway, and would really like to get another year or two out of this w/o a major expense. Any suggestions as to what might be wrong?? I have been told by several folks to bring it someplace now, before it breaks, or it will be much more expensive....but these same people say it could run as is for another 20-25,000 miles. Is there a reasonable service I could get done that would buy me some time?? TIA Jim
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Replying to: dustyk (Jan 20, 2009 5:14 pm) My 2000 Dak with 4.7L semi-hemi still starts at those temps USING THE ORIGINAL BATTERY which was installed in September 1999. (That is when I bought by Dak. freshly orderd from the factory.) |
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My daughters boyfriend has a 99 dakota with 170k miles on it. recently the transmission started to not shift sometimes and wanted to start out in 2nd gear sometimes. it seemed worst in cold weather. we took it to shop #1 and they test drove it. when they came back they said the trans needed a complete rebuild around $2500. they said dodge tranies were junk. my husband decided to get another opinion and shop 2 pulled the trans pan off, looked inside and said it needed to come apart. they said it could cost anywhere from 1800 to 3000 (ouch. my husband went to shop 3 where the guy pluged in the diagnostic tool and said it probably needed a new torque converter and some other stuff. he did say that hed do a flush, that dodges "get really dirty sometimes" and if that didn't cure the problem he'd credit us the flush. we were discussing this at home the next day and look at all of the posts in here. my husband is mechanically incline so he started checking things out himself. they found that the "lever on the side of the trans" seemed stuck in one position. and when they touched it it moved back on its own. my husband things its the thing dusty calls the "throttle position valve". after fiddling with it for a while they test drove it and the trans shifted perfectly for 5 days, then started doing it again. they looked at the "lever" again and found it was stuck again. now they think the cable going to the lever is the problem but anyway it sure doesnt need a rebuilt trans, thats for sure! anyway it pays to check things out on your own. thanks dusty for all the info!!!
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Replying to: durs (Jan 20, 2009 7:06 pm) Have you ever serviced the transmission? Are you in the Rochester, New York area? Regards, Dusty |
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