This is one of the most common problems with the 4L60E. 4L60E goes into neutral when shifting into third gear Common 4L60E Problemsīelow is a list of some of the most common issues with the 4L60E. Make sure you aren’t confusing the shutter of a poor running engine with the vibration of a transmission with a loose converter. That is either the torque converter or harmonic balancer. For instance, maybe you’ll feel a shutter from 1800-2000 rpm, but the engine will be fine above or below this range. You’ll probably find that you’ll get this feeling at particular rpm ranges. If you find that your vehicle is vibrating at highway speed, this is often caused by a loose torque converter. If it isn’t an electronic issue causing limp mode, it’ll be a mechanical one. It’s way more likely that this has happened than you have a major issue. The first thing that I would check is whether or not is is getting power from the ECM, and whether it is sending a signal back to it. If the 4L60E is not shifting through the gears like it should be and the service engine soon light comes on than you’ve probably entered limp mode, limp mode is gear 2, 3, and reverse. This is a good writeup on taking care of a tow vehicle Here is a good write up on low transmission fluid signs. So if your 4L60E is acting funny after you’ve done one of these things, why don’t you just go ahead and change the fluid just to be safe. This is especially true if you’ve recently towed something or been racing.
So before you go crazy thinking about what part may be giving you a difficult time, try making sure that the fluid isn’t the culprit. Tranny fluid is one of the most neglected items of vehicle maintenance. Motor oil is only responsible for lubrication and cooling and is changed way more than transmission fluid. There is fluid that goes through the 4L60E that has three jobs: It is important to understand a few things about how an automatic transmission works. If you don’t find what you are looking for, here are a couple of good resources that may help:ĤL60E Shift Solenoid Symptoms and Diagnosis
#4l60e shift kit installed no reverse how to#
Lets get into 4L60E problems and how to troubleshoot them. While there have been many case changes and internal changes throughout the years.
This means that even the early ones were pretty good from day one of their production life. All in all you will be replacing your old wornout parts with quality parts that will last and last.The 4L60E transmission is the direct descendent of the 700R4, and as such already had over a decade of refinement put into it before it ever even made it into production. The Friction module is made by either Borg Warner or Raybestos, both OE manufacturers of friction material. It contains all the gaskets, seals and sealing rings for your rebuild. This is the most complete overhaul kit you can buy.
The overhaul kit is made by Precision International an OE supplier of overhaul kits. Need to do a complete rebuild? 1993 to 1997 Super rebuild kit or 1998 to Present Master overhaul rebuild kit is a complete kit that gives you everything you are going to need for your rebuild. 1993 to 1997 overhaul kit with frictions or 1998 to Present overhaul kit with frictions is a nice kit to freshen up your transmission. Friction material, Steel plates, band, all hard parts but you want to replace all the gaskets and seals to freshen it up. So you take it apart and everything looks good. Performing a complete rebuild of your 4L60E or just freshining it up, you need the right kit for the job. Hopefully this repair while a little time consuming will solve your problem saving you thousands on a rebuild. The second involves the installation of a Transgo Shift Kit You will only replace the accumulator springs and not internal parts since you are not rebuilding at this time.
The first involves removing the side cover and replacing the solenoids with approved and updated ones. You can choose one or both repairs to try and save your ailing transmission. The springs to control accumulator travel where weak and also caused sloppy shifting. The other problem was in the accumulator area. It had a tendency to gunk up and cause low pressure that in turn caused soft or sloppy shifts. GM had a problem with the EPC (Electroinic Pressure Control) solenoid. If everything looks good, you may be in luck. The next step is to drop the lower pan and make sure there is no excessive debris on the magnet or in the pan. You are looking to see if it still looks relatively clean and does not have a burnt smell. The first step is to carefully examine the fluid. If your 4T65E transmission slips when shifting or is exibiting soft or lo-o-o-ong shifts, It may not be too late.
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