Depending on the cause it may be as simple as adding transmission fluid all the way to more serious issues that require a full rebuild. If your 4l60e is slipping, sure, it’s a major problem, but you can easily diagnose most causes and get it fixed quickly. Take vehicle to transmission repair shop for diagnosis.
#4L60E SHIFT SOLENOID TEST HOW TO#
How to fix torque converter not locking issues: When it comes to the TCC solenoid not working, this is easier to diagnose compared to the converter clutch not locking since it is electronic and you can force via transmission software. It’s common to have a full transmission rebuild when this happens. The biggest problem with this is that this may send converter clutch material though the transmission and cooling system, which will cause further damage. In most situations where the converter clutch is worn out, this will keep lockup from happening. If the converter is not locking or is doing so intermittently, this will cause RPMs to raise as you drive down the road that feel like 4th gear is slipping.
While this isn’t a problem directly caused by transmission parts, the torque converter not locking in overdrive can cause symptoms that feel similar to transmission slippage. Take vehicle to trusted transmission shop for diagnosis and possible rebuild.How to fix 4l60e not holding gear after shift: Since the 4l60e has smaller internal components including clutches compared to other transmissions that are used in trucks and heavier vehicles, there is always a potential for worn or burnt out clutches over time. Take vehicle to mechanic for further diagnosisĭepending on the age of your 4l60e, it’s common that gears start to slip after completing the shift, and this is due to worn clutches.In this case, you may confuse worn clutches with other issues such as low fluid or improper converter to transmission pump engagement. Note: If you recently changed fluid, or installed a torque converter, you may have other issues that cause reverse to be slow or lazy. This is easy to diagnose based on you not being able to move much in reverse but forward gears are ok. The cause of your 4l60e slipping in reverse is more than likely due to worn reverse clutches. Faulty shift solenoids may create lazy or no shift depending on how they’re working.įor the average DIY weekend mechanic, diagnosing shift solenoid issues is not easy, especially if you’re not too savvy with electronics and how they’re supposed to work. The shift solenoids in the 4l60e are responsible for routing fluid through the transmission that’s needed in order to make shifts. Add a transmission cooler to help lower transmission temperature.Fluid that gets too hot breaks down fast, and the longer you let fluid “cook”, the worse it’ll cause issues. In addition to fluid being worn out from poor maintenance, fluid that’s burnt also causes slipping. Overtime, transmission fluid breaks down and loses its friction properties, and this causes slipping symptoms. How to fix transmission fluid level issues:Īnother reason your 4l60 may be slipping is because the fluid in the transmission is well past its regular maintenance interval and is worn out.
If your transmission fluid is low due to a leak somewhere, then obviously that needs to be addressed right away. The silver lining to low transmission fluid is that this is easily fixed as long as that’s the only issue.
With a low transmission fluid level, there is not enough fluid to properly perform shifts, and this causes a delay and potential slipping. Improper Fluid Level – Low On Transmission Fluidīeing low on transmission fluid is one of the most common reasons that your transmission is slipping. With each of these areas, there are a number of reasons that your 4l60e is slipping, and each ones comes with its own associated list of problems. There are three main factors that create 4l60e slipping issues including: fluid, wiring & computer issues, and broken or worn out hard parts. This not only is cause for concern, but depending on the root problem, can hurt your wallet. The last thing that you want to feel when driving down the street is your transmission start to slip and miss shifts.
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