![]() ![]() There may be shifting delays, or it feels like the transmission is slipping when it shifts. You may also experience other issues with your transmission if the valve body is faulty. If it becomes stuck so that the fluid cannot open it, this will cause your reverse to get locked out. Sometimes, the reverse valve malfunctions. This allows the fluid to activate clutches that allow your transmission to shift.Ĭlearly, then, if something were to go wrong with this important piece, your shifts will suffer. Faulty Valve BodyĪn automatic transmission valve body is a crazy-looking maze of channels that direct the flow of fluid (transmission or hydraulic) to the valves within your transmission. Repairs for this condition include repair and replacement, so have a qualified mechanic inspect yours to find out the best course of action. Other warning signs include not being able to shift above a certain gear, not being able to start the car, and shifting into the wrong gear. Modern vehicles will often display a check engine light when the position sensor bites the dust. So, if this sensor is not working, it may not relay the message "Shift to reverse" to the transmission control module. The transmission position sensor has an important job - it tells the transmission what the shifter is trying to do. Reasons Specific to Automatic Transmissions Measure your levels first, however, to check if your levels really are low. If you think this could be your problem, simply top off your transmission fluid and see if this fixes the reverse-gear lockout. It is unlikely that this will be the only problem you experience, however, so look out for related issues such as slipping shifts. If your transmission fluid has leaked to a point where the fluid is no longer able to keep temperatures down inside the transmission, this excessive heat could effectively lock out your reverse gear. Low Transmission FluidĪ more common fluid-related cause of this issue is low transmission fluid. Keep in mind, however, that modern transmissions are designed to operate for many thousands of miles without needing to change it, but if your newer vehicle has over 150,000 miles, or your older vehicle (manufactured prior to 1996) has over 100,000 miles, it might be time to change out your fluid. Thes small particles swirling around in the fluid can cause the transmission to fail, which could result in being unable to shift into reverse. ![]() Over time, your transmission fluid - the oil responsible for keeping all of the transmission component operating smoothly - becomes contaminated. These are causes for this issue, regardless of the type of transmission you own. Here, we will cover the major reasons your car's transmission won't go into reverse. The reasons for your car not going into reverse differ according to the type of transmission, although there are a couple of things that can happen in either a manual or automatic car. Most vehicles in the US have automatic transmissions but some still use a manual transmission. By switching the direction of the transmission, the power from the engine makes the wheels turn in reverse. Your car transmission system controls the direction in which the vehicle moves. If you purchase something through a link on this page, we may get a commission, so thank you! Next, we will provide an in-depth explanation of each of these problems so you can better tell which one is likely the problem with your transmission.īefore you continue reading, let us say we hope you find the links here useful. Failed Lockout Ring (manual transmission)Īs you can see, there are many possible reasons for your lack of reverse.Broken Shifter Mechanism (manual transmission).Broken Revers Gear Teeth (manual transmission).Faulty Valve Body (automatic transmission).Bad Transmission Position Sensor (automatic transmission).Here are the common reasons a transmission will fail to shift into reverse: Using some of the best resources available, we have compiled all of the most likely reasons your transmission will not shift into reverse so you don't have to go rooting around all corners of the internet to find the solution. Modern transmissions are highly complex components of your vehicle, especially automatics, so there are many different parts involved, and unfortunately, many of them can fail. It's never a good sign when your car starts experiencing transmission problems, so in this article, we will discuss what to do if you cannot shift into reverse. ![]()
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