Get Your Transmission Rebuilt Right – In No Time!

How To

Rebuilding a transmission is a complex, time-consuming process that requires skill and expertise. The amount of time it takes to rebuild a transmission will vary depending on the type of transmission, the complexity of the repair and the availability of replacement parts. It can take anywhere from a few days to a few weeks to rebuild a transmission, and in some cases, it may even take longer. In this article, we’ll explore the various factors that influence how long it takes to rebuild a transmission and provide tips for reducing the amount of time it takes.

What Are The Steps Involved in Rebuilding a Transmission?

  1. Drain the Transmission Fluid: The first step in rebuilding a transmission is to drain the existing fluid from the system. This should be done using an oil pan to collect the fluid and a vacuum pump to suck out any remaining fluid.
  2. Remove and Disassemble: Once the fluid has been drained, the transmission can be removed and disassembled. During this process, all the components should be inspected and any worn or damaged parts should be replaced.
  3. Cleaning the Parts: After the transmission has been disassembled, all of the parts should be thoroughly cleaned. This is typically done using an ultrasonic cleaner that uses a combination of special chemicals and heat to remove all of the dirt and grease from the components.
  4. Reassembling the Transmission: Once all of the parts have been cleaned, the transmission can be reassembled. During this process, any new parts should be installed and all of the components should be tightened to the proper torque specifications.
  5. Installing the Transmission: Once the transmission has been reassembled, it can be installed in the vehicle. During this process, special tools may be required to properly install the transmission.
  6. Refilling the Transmission: After the transmission is installed, new transmission fluid should be added to the system. This should be done using a syringe or a specialized pump to ensure that the correct amount of fluid is added.
  7. Testing the Transmission: After the transmission has been refilled with fluid, it should be tested to make sure that it is functioning properly. This is typically done using a transmission dyno machine to measure the speed and torque of the transmission.
  8. Final Inspection: After the transmission has been tested, it should be given a final inspection. This is typically done using a borescope to check for any internal damage or defects. Once any problems have been identified and fixed, the transmission is ready for use.
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How To Diagnose a Transmission Problem Before Opting for a Rebuild?

When diagnosing a transmission problem, it is important to take a systematic approach. The first step is to determine if the issue is related to the transmission or to another system in the vehicle. Common symptoms of transmission problems include slipping gears, strange noises, and an inability to shift gears. If these symptoms are present, the next step is to diagnose the cause of the problem.

The first step is to check the transmission fluid level. Low fluid levels can cause a variety of transmission problems, including slipping gears and difficulty shifting. If the fluid level is low, it should be topped off and the transmission allowed to run for a few minutes. If the fluid level was low, it is possible that the transmission filter may need to be changed. If the fluid level is normal, the next step is to check the condition of the transmission fluid. If the fluid is dark or burned, this could indicate a serious issue.

The next step is to check for any transmission codes. Many modern vehicles have on-board diagnostic systems that can detect problems with the transmission. If any codes are present, they should be addressed before continuing with the diagnosis.

The next step is to inspect the transmission for any visual signs of damage. If any parts are worn or broken, they should be replaced. It is also important to check the transmission linkage for any signs of binding or sticking.

Finally, if none of these steps reveal the root cause of the transmission problem, it may be necessary to take the vehicle to a professional mechanic for a more thorough diagnosis. If it is determined that a rebuild is necessary, the mechanic will be able to provide more details on the parts and labor required.

What Are The Benefits of Professional Transmission Rebuilds?

The benefits of professional transmission rebuilds are numerous. Professional rebuilds help ensure that transmission systems are properly serviced and repaired, which can potentially extend the life of the transmission. Furthermore, professional rebuilds can help reduce the cost of repair bills by preventing more expensive repairs down the line. Additionally, professional rebuilds are typically done with higher quality parts than those available at a local parts store, resulting in a better-performing transmission system.

A professional transmission rebuild also offers peace of mind. The work is done by a trained and certified technician, so you can rest assured that the job is done right. The experience and expertise of the technician will ensure that all parts are fitted correctly and that no shortcuts are taken. In addition, professional rebuilds often come with a warranty, so any problems down the line can be addressed without additional expense.

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Finally, professional transmission rebuilds can help maintain the value of the vehicle. Professional rebuilds are more likely to provide a longer-lasting, better-performing transmission system than a do-it-yourself job. This can result in a more valuable vehicle that retains its value over time.

In short, professional transmission rebuilds offer a variety of benefits that make them a wise investment. They can provide better performance, peace of mind, and help maintain the value of the car.

How To Choose the Best Transmission Shop for Your Rebuild?

When it comes to rebuilding your transmission, it is important to choose a transmission shop that has the expertise and experience to provide quality service and a guarantee of a successful rebuild. Here are some tips to help you select the best transmission shop for your rebuild.

  1. Research the shop: Do your homework and research the transmission shop you are considering. Check their website, read reviews from previous customers, and ask for recommendations from friends and family.
  2. Ask questions: Make sure you ask questions about the shop’s experience, certifications, and qualifications. Ensure that the transmission shop has certified technicians and mechanics who are knowledgeable in transmission repairs and maintenance.
  3. Compare prices: While cost should not be the only deciding factor, it is important to compare prices between different shops. You want to make sure you are getting the best value for your money.
  4. Look for guarantees: Make sure the transmission shop offers a money-back guarantee on their work and a warranty on any parts they use in the rebuild. This will give you peace of mind that your transmission will be properly rebuilt and will last for years to come.
  5. Get references: Ask the transmission shop for references from previous customers. This will help to ensure that they have a history of providing quality service.

By following these steps, you can be sure that you are choosing the best transmission shop for your rebuild. Doing your research, asking questions, and getting references can help you to make an informed decision and ensure that you are getting the best service and value for your money.

What Are The Most Common Causes of Transmission Rebuilds?

Transmission rebuilds are common repairs that are often needed for vehicles with automatic transmissions. There are several common causes of transmission rebuilds, including lack of regular maintenance, overheating, and electrical problems.

Lack of Regular Maintenance: Regular maintenance is essential for keeping a transmission in good working order. Without regular oil changes and other maintenance services, the transmission’s components can become worn and fail prematurely.

Overheating: Overheating is a common cause of transmission failure. When the transmission becomes too hot, its components can become damaged due to the resulting friction and heat. In addition, the transmission fluid can become contaminated, which can lead to further damage.

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Electrical Problems: Electrical problems can also cause transmissions to fail. A faulty sensor or ground wire can cause the transmission to shift erratically or not shift at all. This can cause undue strain on the transmission’s internal components, leading to a rebuild.

In addition, worn internal components can also cause a transmission rebuild to be necessary. In some cases, these components can simply be replaced, whereas in other cases, a full rebuild may be needed.


How long does it take to rebuild a transmission?

The time required to rebuild a transmission can vary greatly depending on the complexity of the transmission, the number of parts that need to be replaced or serviced, and the skill of the mechanic. Generally, a transmission rebuild can take anywhere from 4 to 8 hours.

What parts need to be removed to rebuild a transmission?

In order to rebuild a transmission, the transmission must be completely removed from the vehicle. This includes disconnecting the driveshaft, removing the transmission mount, and disconnecting all wiring and fluid lines. Once the transmission is out of the vehicle, the transmission case must be opened up and all internal components must be removed and inspected for wear or damage.

How much does it cost to rebuild a transmission?

The cost of rebuilding a transmission can vary greatly depending on the type of transmission, the number of parts that need to be replaced or serviced, and the labor costs of the mechanic. In general, a transmission rebuild can cost anywhere from $1,500 to $3,500.

Is it better to rebuild or replace a transmission?

The decision to rebuild or replace a transmission depends on the condition of the transmission and the cost of replacing it. Generally, if the transmission is in good condition, it is more cost-effective to rebuild it. However, if the transmission is severely damaged or worn, it may be more cost-effective to replace it.

What is the most important step in rebuilding a transmission?

The most important step in rebuilding a transmission is ensuring that all parts are properly installed and that all seals and gaskets are properly fitted to prevent leaks. It is also important to use the correct lubricants and fluids for the transmission to ensure that it operates properly and lasts for a long time.


Rebuilding a transmission can be a difficult and time consuming process, but it can also be an extremely rewarding experience. The amount of time it takes to rebuild a transmission depends on the type of vehicle, the complexity of the rebuild, and the skills and tools of the rebuilder. In most cases, it is possible to rebuild a transmission in fewer than 8 hours, though some rebuilds can take up to 24 hours or more. If you are considering rebuilding a transmission, be sure to consult a qualified mechanic for advice and take the necessary safety precautions.