The 68RFE is a six-speed automatic transmission used in many heavy-duty trucks, such as the Ram 2500 and 3500. While this transmission offers impressive towing capacity and durability, there are some common issues that owners may experience. Here's what you need to know about the most common 68RFE transmission issues.
One of the most common issues with the 68RFE transmission is torque converter problems. The torque converter is responsible for transferring power from the engine to the transmission, and if it fails, it can cause a variety of issues, including slipping, stalling, and difficulty shifting. Some of the common causes of torque converter failure include overheating, low fluid levels, and worn clutch plates.
Another common issue with the 68RFE is valve body problems. The valve body is responsible for controlling the flow of transmission fluid and directing it to the appropriate components. If the valve body is not functioning properly, it can cause a variety of issues, including slipping, hard shifting, and even transmission failure.
Additionally, the 68RFE is known to experience issues with the shift solenoids. These solenoids are responsible for regulating the flow of transmission fluid to the clutch packs, which allows for smooth and accurate shifting. If the shift solenoids fail, it can cause a variety of issues, including harsh shifting, slipping, and even transmission failure.
Finally, some owners have reported issues with the transmission cooler lines. The 68RFE transmission is known to generate a lot of heat, which can cause the transmission fluid to break down over time. If the transmission fluid is not cooled adequately, it can lead to premature wear and damage to the transmission. Leaking cooler lines can also cause the transmission to lose fluid, which can lead to overheating and damage.
If you are experiencing any of these issues with your 68RFE transmission, it's important to have it diagnosed by a qualified technician. They can perform a variety of tests, including a fluid check, valve body inspection, and a shift solenoid test, to determine the root cause of the issue. With proper diagnosis and repair, your transmission can continue to perform at its best and provide you with reliable performance for years to come.