In some cases, you may need to have your transmission rebuilt. This is the cost to flush out your transmission and refill it with new transmission fluid. Yes, changing transmission fluid or performing a transmission flush will help fix most torque converter shudder problems. However, If you let your torque converter shudder for too long you might have to rebuild or replace it. Prevention and even adjustment are frequently as straightforward as getting your transmission serviced regularly.
Most transmissions have a removable filter and pan. On these types of vehicles, we will drain the transmission fluid and remove the pan for proper service. The will allow the technician to perform an inspection for wear and broken parts. At this step in the process, small problems can easily be fixed to prevent major breakdowns. While the transmission pan is off, the technician will tighten the bolts on the trans valve body to the specified amount of torque.
Over time, the valve body gasket will shrink from heat and the bolts will start to loosen. The loose valve body can develop cross-leaks in passages. This will cause your transmission to fail. Tightening these bolts properly will prevent this problem. After inspecting the valve body bolts, the transmission filter and seal can be replaced. Replacing the filter is very important on transmissions that are built with replaceable filters. Restricted or blocked transmission filters will cause low internal pressure and can damage your transmission quickly.
First, the tech drives the car and then drains the fluid. The new fluid will be added and then the tech will drive the car again to remove any debris. The last step is to drain the fluid and then refill it again. Transmission service is very from a transmission flush. With a flush, the tech circulates the new transmission fluid through part of the transmission.
The techs do not inspect internal components, tighten valve body bolts, or replace the transmission filter. Continuing to drive with the shudder could cause your transmission to fail. When this happens, the transmission will have to be rebuilt, repaired or replaced. Proper servicing regularly is the best prevention. Our team understands how to pair your vehicle to the right torque converter that will increase power, improve fuel efficiency, or even help you tow better.
Call and talk with our team to find the perfect match for your set up and hit the road running. Road Runner Converters offers many torque converters replacements online. He drives off and says he will bring it back on another rainy day.
A second week goes back and still nothing. A couple of months later, another Dodge shows up with the same problem. At this point I got to wondering what happened to the other one we had this problem with. I had the manager look up the paper work for that customer, to give him a call and see how that truck is doing. With the truck I was now facing with the same problem, I figured I would eliminate these connectors just to see what would happen.
Once completed, I rechecked it and the problem was gone. There is a lot of talk about noise filters, and Identifix has plus fixes using noise filters. If you compare the snapshot shown in figure 6 after the repair, versus before the repair as shown in figure 1, you can see that the TPS voltage is a lot smoother and the TCC problem is gone. There is one spike on the TCC when it goes into 4 th gear, but that is normal and how it is designed to work.
Since the first truck that was repaired in this fashion, I have performed this repair on more than 20 trucks and in each case, never seen a comeback. Hey Mike, I was wondering if you could help figure out my lockup issue on a 98 12v, as i see this is great article but only covered 24v engine with different harness. When I lost my alternator and crank sensor at same time dumb luck My transmission was defaulted to 3rd gear while on the job towing a camper out to Wyoming and I had 0 issues with transmission staying locked—it was actually a good haul not having torque converter lock and unlock constantly in 3rd gear and ran 60 mph in 3rd gear with 0 issues after fighting it the previous miles barely touchin throttle to keep it from unlocking when it was locked in 3rd.
I Have Re-routed Ground wire away from alternator was resting on the alternator before and was source of my overdrive lockup issue, now I just have 3rd gear lockup issue,and have 0 issues with regular driving or towing in overdrive, just when I have to down shift or maintain a speed in 3rd gear I have problems. Thanks, Lenny. Mike, I had one a year ago that I had to do the same thing to the battery cable ends to get it fixed even though they were good.
I am glad to see someone else have this same issue now I know that it is a real fix and not just a fluke. Is there any chance that you have done anything similar to a 99 Dodge Ram with 8 liter v I have the same problem tcc cycling lockIng and unlockIng. I have a dodge 24v 5. Are they different on this truck. I fixed my 99 Cumminso with this info…after letting Aamco screw me out of Thanks for sharing your story! We love hearing about the success stories.
Glad it worked for you. Nice article. I have a 98 12v and it has noting hooked to the grey connector, never did. It has a white wire and a white white blue on the harness side that goes under the battery. I also have a 95 12v and have the issue for most of 20 yrs. It wiped out 2 trannys prematurely. It IS much better after the filter.
But, still NOT fixed. Seems to be worse after a rain sometimes?? Any more info for us 12v owners??? Hi mike I got a 96 Dodge Ram with a 5. Toque converter jumping in and out of lock up, In third gear around mph. Goes away after 60 mph. Changed both speed sensors , and the throttle position sensor. Also added that noise filter with The diode In it. I pulled the alternator fuse , no change.
Thanks Joe. I posted above already. No rhyme or reason as to when this will occur. As far as speed goes, generally after 45mph but, no particular speed window. It will still randomly do it up to 70 mph as well! Hey lee did you try to pull the fuse for the alternator. I have Seen a few posts about a Bad diode In your alternator creating ac noise, messing up Your pcm Causing lock up to jump in and out.
Worth a try? WTS, my issue is so utterly random at times, nothing is totally conclusive… lol I will however, absolutely have my next alt properly bench tested for bleeding RF signal before installation. Consult your vehicle repair manual, if necessary.
Check the throttle pedal position sensor, if necessary. Photo courtesy of Panoha on Wikimedia. Other times, it may be difficult to find the source of the problem, especially if you don't have special tools, time or the technical knowledge to zero in on the issue. You may be dealing with a fault in a system or component not mentioned above. Whatever the cause, make sure to find the source of the engine surge as soon as possible. A fault that causes your vehicle to accelerate without your control is a safety issue.
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