Transmission Troubles: Common Signs Your Semi-truck’s Transmission Needs Repair

April 6, 2022 12:00 am Published by Leave your thoughts

Driving a semi-truck might be your livelihood. As such, you won’t want a transmission problem to slow you down. Transmission problems often start small and then grow into a tremendous amount of downtime if the vehicle owner doesn’t resolve them. These are some signs of a failing transmission to look out for so that you can get the help you need right away:

Odd Smells

An odd smell is one of the first signs of a problem with your transmission. It could indicate that you have a leak, and the transmission fluid could be burning off onto a hotter part of your vehicle. You need to resolve the issue as quickly as possible, as running on low transmission fluid can lead to deterioration and destruction. 

Strange Sounds

Sounds like grinding are never good for a transmission. These sounds indicate that metal parts and gears may be rubbing together, and your transmission is in big trouble. Grinding can happen when you don’t have enough fluid in the system, and it can occur when the gears have cracks. Either problem needs the attention of a seasoned mechanic right away. You can avoid losing a lot of time working with your semi-truck by tending to it immediately. Reliable transmission experts are available to assist you with any issues you may be having.  

Rough Shifting

You may need a transmission service if you find it tough to shift from one gear to the other. You could have transmission fluid stuck in the system, or you could have dirty fluid. The latter may require you to have someone empty your transmission and replace it with new fluid to protect your system. You may need an alternative service if your fluid is trapped. However, neither one of those procedures should cost you a great deal of money. The key is to contact a reliable provider and have them do the service as quickly as possible. 


A slipping gear is a sure sign that your transmission needs work. Slipping occurs when a gear doesn’t respond when you try to shift your transmission. Instead, it will shift to a different gear or slip back to the previous gear. In some cases, the transmission slips into other gears automatically, which is dangerous for you and everyone else on the road. This shifting happens when a severe defect exists within the transmission system. You can protect yourself and others by stopping your vehicle and having a professional diagnose the problem right away. 

Where to Get Help for Semi-Truck Transmission Issues

Now you know the signs of transmission issues with your semi-truck. Don’t be alarmed if you have any of the above problems, as we have the staff and the time to get your transmission back in perfect running order. Our experts are well-seasoned and skilled at diagnosing transmission issues and performing repairs or replacements. You can schedule a visit with us at our semi-truck repair shop in Wytheville, VA or call 276-637-4271 to schedule a diagnostic evaluation. 

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