{"id":76557,"date":"2025-06-19T07:53:32","date_gmt":"2025-06-19T07:53:32","guid":{"rendered":"https:\/\/www.ril-ctcam.com\/?p=76557"},"modified":"2025-11-04T19:47:54","modified_gmt":"2025-11-04T19:47:54","slug":"causes-of-a-broken-heavy-duty-truck-transmission","status":"publish","type":"post","link":"https:\/\/www.ril-ctcam.com\/en\/causes-of-a-broken-heavy-duty-truck-transmission\/","title":{"rendered":"Causes of a broken heavy-duty truck transmission"},"content":{"rendered":"

If you don’t fix your broken transmission right away, they could easily ruin your week. We recently talked about the signs that your transmission may be damaged<\/a>, but we’ve had several questions about what causes this damage.<\/p>\n

Below are some of the most common causes of transmission failure in your heavy-duty truck.<\/p>\n

Low transmission fluid level<\/h2>\n

All moving parts in a transmission need to be lubricated, which is done by transmission fluid. When there isn’t enough lubrication, the transmission is at risk of overheating, the gears can slip, and shifting becomes difficult.<\/p>\n

If you just filled up but the level still seems low, you may have a leak. It’s also possible that the transmission fluid in your truck is the wrong type: consult your truck manual or consult an expert to make sure you have the right transmission fluid for your machine. Finally, faulty seals can cause leaks.<\/p>\n

If you think there is a problem, take your vehicle to a qualified truck repair shop<\/a> as soon as possible.<\/p>\n

Problems with the torque converter<\/h2>\n

The torque converter connects your truck’s power supply and load, allowing automatic transmissions to function properly. If the torque converter is malfunctioning, it can damage the transmission.<\/p>\n

Overheating, broken needle bearings, and even blade deformation are typical types of damage to the torque converter.<\/p>\n

If the transmission fails, you may hear grinding noises coming from your torque converter.<\/p>\n

Problems with the gearbox<\/b><\/h2>\n

Problems with your semi-truck’s gears are a common cause of transmission issues. Drivers should pay attention if a gear does not engage or stay in place.<\/p>\n

You should also pay attention if:<\/p>\n