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What Are the Common Bad Transmission Mount Symptoms? Here Is the List 

Bad Transmission Mount Symptoms

Some common bad transmission Mount symptoms include abnormal clunking noises, excessive vibrations, and transmission movement. 

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Most major components in your vehicle are heavy and require certain support. The transmission usually sits on a set of mounts to protect it and prevent the other components from vibration.

Over time of use, these mounts can wear out, requiring replacement, and it's crucial whenever you notice some damages in these mounts to replace them immediately to prevent future complications.

This article provides you with a list of symptoms you need to keep an eye on, indicating that your transmission mounts are getting bad. It also provides you with some rough estimate about how much will cost you to replace the bad transmission Mount. Finally, it will answer additional related questions for any driver to be aware of when it comes to maintaining the transmission Mount. 

What is the transmission Mount and what does it do? 

Since the transmission is a heavy component, your vehicle requires a certain Mount or a group of mounts to keep supporting the engine and preventing it from falling. Usually, the mounts are not connected directly to the transmission, and they are isolated with a certain material to prevent vibrations from damaging these mounts. 

Any transmission Mount consists of two main components: the outer metal ring connected to the transmission and the inner rubber ring that takes care of any vibration coming from the transmission. The inner rubber ring contains a certain type of fluid to eliminate the vibrations, which absorbs these vibrations.

Over time of use, and since the mounts are not designed to last forever, they experienced some tear and wore due to the continuous exposure to the severe vibrations coming from the transmission. When the mounts fail, the internal fluids of these mounts can leak to the transmission causing further complications.

As the Mount gets damaged, the driver must bring the vehicle to the nearest repair shop and replace it immediately. Otherwise, severe circumstances and catastrophic results can happen to the transmission. 

What are the common symptoms of a bad transmission Mount? 

Since drivers must be aware of any damage to the internal mounts, it is crucial to keep an eye on any bad transmission symptoms.

The good news is that the transmission Mount will let you know that it's going to get damaged before it even does.

Let's look at some of the common symptoms indicating that the transmission Mount is going bad: 

  • Weird loud noises 

Since the transmission relies on these mounts for supports, as the mounts wear out, the transmission will start making some clunking noises. The noise gets harder as you accelerate or as you hit the brakes suddenly.

Keep in mind that clunking noises coming from the transmission can be linked to multiple other factors, and therefore, your best course of action is to bring the vehicle to the repair shop and confirmed the culprit.

As a rule of thumb, any weird noises coming from the vehicle, whether from the transmission or not, should be taken care of immediately and should not be ignored. The problems might be linked to simple issues, but they also can be related to complicated things requiring immediate attention. 

  • Excessive vibrations 

As we indicated before, the transmission mounts have certain rubber components and an internal fluid to absorb any vibrations coming from the transmission. When this component goes bad, all vibrations will not be absorbed, and as a result, you'll notice some severe vibrations coming from the transmission component. In some scenarios, these vibrations might even get to the vehicle's cabin, and you will notice it. 

  • Transmission moving abnormally 

Since the transmission is connected to the mounts, when these mounts go bad, the transmission becomes loose, and it might move from its place. Although you won't notice the transmission movement when you're driving during normal speeds, it might be clear whenever your professional mechanic performs a brake test.

The brake test basically means connecting your transmission and putting it under drive. Then, you hold your foot on the brakes and provide very small accelerations. Make sure as you are pressing on the pedal, you don't get the car to move. Of course, you'll need someone to watch the engine compartment and Chuck whether the transmission is moving or not.

Another thing you might notice is a movement to the powertrain itself, not the transmission. When the transmission is moving, everything around it can also switch its position accordingly. 

  • Issues with your vehicles and alignment 

Since the main job of your transmission mounts is to keep the transmission in place, when these mounts fail, the transmission moves from its place and affects the weight on your vehicle's components alignment as one side might be higher than the other

To confirm the issue, you can quickly look at your vehicle and see if the sides are not even.

Keep in mind that alignment issues are not always related to a bad transmission Mount. For instance, it might be related to an issue with the suspension system or even the tires or wheels. Thus, to confirm the culprits, you need to perform a thorough inspection of the vehicle either yourself or by consulting a professional mechanic. 

  • Thumping

Pumping is another common symptom indicating that the transmission mounts are getting bad. The thumping is not like a side-to-side movement, but it's more like an up and down. 

If the connections to the transmission get affected by this thumping, trying to perform any sharp turn can result in severe complications. 

  • Transmission damages

Although transmission damages are not directly considered a symptom of a bad transmission Mount, it is more of an outcome of the number of damages. As it gets loose, there's a high chance for this transmission to hit other components, especially if you're driving at higher speeds. Once it keeps hitting back and forth, it can easily get damaged. That's why automotive experts recommend fixing the mounts immediately whenever you notice their damages. 

Can a bad transmission Mount cause slip? 

Yes, when the Mount goes bad, there's a high chance that transmission might experience slipping. Did you know that severe issues in the mounts can cause the transmission to fall out of their vehicle?

That's why it's never recommended to ignore any symptom of a bad transmission Mount because it is one of those terrible situations that you never want to put yourself in. 

How does the transmission Mount fail? 

That is a great question! According to experts, the transmission Mount fails at around 60,000 and 100,000 miles. The problem is most likely related to either oxidation or vibration.

In general, the oxidation affects the internal rubber components of the Mount and causes it to fail. On the other hand, the vibration can disturb the outer metal components of the Mount, resulting in damaging it.

It's important to note that the Mount might also fail due to improper carrying and lifting of either the transmission or the engine. That's why you never want to trust your vehicle with inexperienced mechanics, and every mechanical repair should be done by and export as much as possible.

We've mentioned a lot before that any driver should not save a lot on repair costs because having an inexperienced mechanic working in your vehicle can introduce major damages. In most scenarios, these new damages can be more costly than the original issue. 

Finally, some heavy car accidents can also cause problems to the transmission Mount and did the whole transmission itself. Therefore, even if you are not in accidents, you need to perform a thorough inspection and ensure that the Mount was not affected. Otherwise, about Mount might cause damages to the transmission down the road. 

Is it worth fixing the bad transmission Mount? 

This is a very important question to ask yourself whenever you perform any mechanical repairs. Sometimes we think that the repair is not very expensive, and we go ahead and do it. However, it is recommended that you take a step back and evaluate the situation holistically before making a final decision.

First, you need to calculate the total repair costs. To do so, consider any maintenance your vehicle needs. For instance, are you looking to replace the mounts only, or are there any other minor or major issues? 

Another thing to consider is any regular maintenance. For instance, is it the time now for an oil change or probably tire rotation?

Once you calculate total repair costs, the next step is to compare this cost to your vehicle's overall value. If you notice that repair costs will be close to 75% or more from the value of your vehicle, it is not a great good idea to fix it.

Similarly, if repair costs are not going to add much to the value of your vehicle, it is also not a good idea to fix it. For instance, if your car now is worth $10,000 and repair costs are about $7000. If you have determined that once you perform these report pairs, new vehicles value or not get up to $15,000, then do not fix it.

Your best option at this point is to sell your car and use the money as a down payment towards a better vehicle. Of course, you might be wondering who will accept my car if it has major problems? Well, all Cash Cars Buyer is here to help you! 

We guarantee to buy your car and will pay you the top dollars for your vehicle. We compare the characteristics of your car to the most recent transactions around your area to pay you a top and fair offer.

The nice thing about our company is that offers are generated within 30 seconds only from receiving your vehicle's information. The offers can be either given by phone if you're giving us a call at 8669244608. Or you can use our online tool by visiting our home page click on the free instant online offer.

How much does it cost to replace a bad transmission Mount? 

In general, replacing the transmission Mount costs between $200 and $800. Keep in mind that this range varies heavily depending on your vehicles type along with the labor cost.

Labor costs can be a big component in replacing the transmission Mount because it takes time and requires a certain level of mechanical skill sets.

If any other components got damaged around the Mount, they could easily add up on the final bill. 

Some people prefer to replace their transmission, not by themselves. Although this is a good idea to save on labor costs, it can be dangerous if this is your first time doing such a job. Yes, there are plenty of available tutorials online but, doing any DIY does not usually work from the first time. Thus, you need to be very careful about whether it's worth testing on your vehicle or not. 


Your vehicle’s transmission sits on a group of mounts to protect it and prevent vibrations from affecting the other components. 

During the lifetime of your vehicle, it’s not very rare to deal with mounts damages where you must replace them immediately. Failing to replace faulty transmission mounts results in catastrophic outcomes that might damage the transmission completely in difficult situations. 

While replacing the transmission mounts is not as expensive as replacing the whole transmission, you need to be mindful about whether it’s worth replacing them r not. 

If you understand you're placing your transmission now requires high repair costs compared to your vehicle's value, it might be the right time now to get rid of this car and sell it to Cash Cars Buyer.

Cash Cars Buyer is one of the top-rated companies in the nation that guarantees to buy your car despite its size or condition. Whether your car has major issues in the Mount or even the entire transmission, we will still buy it!

We will pay the top dollars and free towing no matter where you are living around there, and it states. 

To learn more about our process and our team, you can reach out to us by giving us a call at 866-924-4608 or visit our home page click on the free instant online offer.

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