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Dodge W150 Transmission Mount

Troubleshooting the Dodge W150 Transmission Mount

The purpose of the Dodge W150 transmission mount is to secure the main engine driveshaft to the frame of the vehicle. The rubber bricks inside the mount help stabilize the transmission and prevent the vehicle from shaking and rattling. If the transmission mount is damaged, got loose, worn out, or missing, you will experience unstable ride, feel vibration inside the cabin, and hear clunking or knocking sound underneath the vehicle. It is important, therefore, that you know how to respond properly should your transmission mount begins to show signs of failure.

Increased engine driveshaft vibration as the vehicle accelerates

This is one of the most obvious signs of a broken transmission mount. Since a broken transmission mount no longer support and stabilize the vehicle properly, vibration and shaking in the engine driveshaft can be felt in the cabin, especially at higher speed. Stop using the vehicle once you feel this unusual vibration. Check the transmission mount for damage. If it is broken, replace it right away. Not doing so will cause more transmission problems and expensive repairs.

Noise underneath the vehicle

While the noise from the underside of the vehicle can come from anything, one probable reason is a broken or damaged transmission mount. The vehicle's transmission mount keeps the transmission aligned to the engine driveshaft. If the transmission mount is broken or damaged, there's nothing that will the two in place, causing misalignment and producing clunking noise. If the vehicle is driven in this condition, it can result to severe damage in the driveshaft, driveshaft coupling, and transmission-and a huge repair bill. Any metal-to-metal noise must be inspected and must be addressed right away. A broken transmission mount must be replaced or repaired (if possible) and any collateral damaged (transmission and driveshaft) must be assessed. Take note that when you work underneath your vehicle, dirt, oil, metal, and other fluids may fall from the vehicle you're working on. Use protective glasses to prevent eye injury. Use gloves to protect your hands as well.

Transmission mount is missing

In rare cases, the transmission mount may fall off the vehicle. There's no other way to fix this than by replacing the transmission mount. And since the transmission and the driveshaft can be damaged as well, inspect for metal wear on areas that link the two.

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  • Dodge W150 Transmission Mount Maintenance Tips 27 February 2013

    While you don't replace a Dodge W150 transmission mount as often as you replace the engine oil, there are several things that you need to perform in order to ensure that it does its function and keep other parts working properly. The transmission mount keeps the driveshaft and the transmission aligned. If it breaks, the alignment will break, causing damage to the parts. Here are maintenance tips in order to keep your transmission mount and the components it supports to work properly:

    Watch out for signs of failure.

    Unusual vibration and noise in the underside of the vehicle are the most common symptoms of a broken or damaged transmission mount. Particularly, if the vehicle jerks when changing gears or when accelerating, or when you feel that the transmission is disengaging and engaging when you step on the accelerating, you have a broken transmission mount. There's no way to fix or repair it. You must replace it. (Note: You can weld the mounting ears on the transmission mount if it is the problem. For everything else, replacement is the only solution.)

    Take care of your transmission.

    Periodic maintenance as recommended by your car manufacturer is all you need to keep your transmission properly working. This will also ensure that the transmission mount is regularly checked for damage or signs of failures.

    Replace the transmission mount when necessary.

    If you find that the transmission mount has failed or is broken, it is time to get a replacement. While this may not be an inexpensive repair, it must be done to protect the parts that support it. Replacing the transmission mount may require you to seek professional help or an extra set of hands to make the task more doable. Here, you have to raise your vehicle enough to comfortably work underneath the vehicle. Release the old transmission mount by removing the bolts that hold it in place. Once removed, clean the area where the new transmission mount will be in place. Then bolt it in. Lower the vehicle and you have your new transmission mount in place.