A transmission rebuild, as its name suggests, is an overhaul done to a vehicle’s transmission to restore it to good working order. This involves replacing or repairing some parts of the transmission, such as gaskets, bands, clutch, electrical work, and seals – as required. It also involves cleaning the transmission to remove buildup. Basically, this procedure is done to replace the worn-out parts of a transmission so that it can function optimally.

Is a transmission rebuild the same as repair?

No, they’re two separate services.

Most people tend to confuse the two because they seem like the same thing. A rebuild falls somewhere between a repair and a replacement.

Transmission repair involves fixing minor issues like defective solenoids, throttle cable adjustment, fluid change, and flushing out sludge and grime.

Transmission replacement means the existing transmission will be replaced with a refurbished one. However, transmission replacement is much more expensive, and that’s why a rebuild is recommended when your transmission develops problems.


What does a transmission rebuild entail?

A transmission rebuild begins with the inspection of the system to determine the specific parts that require fixing. The procedure can be done without removing the transmission from the body of the vehicle if the problematic part can be accessed. But if the part is not accessible, the transmission has to be removed to fix the problem.

In case a complete rebuild is required, the transmission will be dismantled in its entirety and any worn out parts will need to be replaced. All the parts will be cleaned thoroughly before being reassembled. Before putting everything back together, the technician will need to inspect every component to ensure everything is in good working order. The procedure may also involve modifying the transmission with upgrades to improve performance. A transmission rebuild should be done by a qualified technician to guarantee the best results.


What is the significance of a transmission rebuild?

A transmission rebuild is recommended for people who want to spend a lower amount of money on restoring their transmission into a good working condition. Brand new transmissions are very expensive; hence they may not be an ideal option for people on a tight budget. Another benefit of a transmission rebuild is that it helps to save time. Unlike a transmission replacement which can take a week or longer, a rebuild can take three days at most.


How do you know if you really need a rebuild?

Unless you know the ins and outs of transmission and it’s components you need to rely on the expert knowledge of a local mechanic you can trust.  A rebuild will be recommended when there is significant wear to the transmission, and where it is suitable to rebuild rather than replace.  Knowing the right questions to ask can help you to make an informed decision when a transmission rebuild is suggested by your mechanic.

These are some signs that you may need a rebuild – but at least a transmission repair:

  • Strange smells
  • Strange noises from the transmission such as grinding or squealing noise
  • Erratic and delayed shifting or gears slipping
  • Engine light comes on—this indicates a transmission problem
  • Issues with transmission fluid such as leaking
  • Difficulty shifting gears

Generally, a transmission rebuild can restore your transmission to its best working order, allowing you to drive your vehicle for hundreds upon hundreds of miles without any problems. If you’re thinking about having a transmission rebuild, it’s best to work with a reputable auto repair shop.


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