What Goes Into a Transmission Rebuild?

By Mister Transmission

What Goes Into a Transmission Rebuild

The transmission rebuild is a specific kind of transmission repair. For many transmission problems, the necessary solution is a relatively simple one. Maybe a change of transmission fluid or switching out a solenoid pack. Unfortunately, however, not all transmission jobs can be done so swiftly. Sometimes, a transmission rebuild will be necessary. So what goes into a transmission rebuild?

Transmission repair

As mentioned above, the transmission rebuild is one of only many types of transmission repairs. It is also the most involved type of transmission repair. It’s a type of repair that is not meant to fix every problem. Many problems do not require such an endeavour. A transmission rebuild is necessary either when the cause of a transmission problem cannot be accurately identified or when the damage that a transmission has incurred is total or at least far reaching.

Transmission rebuilds

The first step in a transmission rebuild is the complete removal of the transmission from the body of the vehicle. This is necessary when the part that is thought to be causing the problem is not accessible while the transmission remains within the body of the automobile. When the suspected problematic part is replaced, this might solve the problem. However not all problems are solved so easily.

In some cases a complete rebuild is required. A complete rebuild consists of the removal and disassembly of the transmission in its entirety. Every part is inspected for wear and damage, and then it is cleaned in a special cleaning solution, or it is replaced with another part depending on its condition. Parts that have friction surfaces, such as bands and clutches, are replaced as are all seals and gaskets. The torque converter should also be replaced, often with a re-manufactured one.

Technicians will also check technical service bulletins to see if the auto manufacturer recommends any modifications to correct design flaws that were discovered after the transmission was built. Automobile manufacturers often make upgrade kits available to transmission shops to resolve these design defects.

As you can see, the transmission rebuild is a significant undertaking and takes hours of labour to complete. But it is a holistic approach; any problems your transmission has been experiencing are bound to be addressed through this process. The transmission rebuild should add a number of years on to the life of your transmission.

Rebuild or overhaul

You may have heard of transmission overhauls before. If so, you’re probably asking yourself what the difference is between a transmission rebuild and a transmission overhaul is? Well, that’s a simple question to answer. A transmission rebuild is a transmission overhaul; they mean the same thing.

If your transmission requires a rebuild, you have two options. The first is to remove your existing transmission and rebuild it, then put the rebuilt unit back in your car. The second option is to replace your existing unit with another unit that has already been rebuilt or re-manufactured.

However, used transmissions often have questionable histories that could create a whole new slew of issues. New transmissions, meanwhile, are mostly aftermarket transmissions billed as new but are in fact rebuilt transmissions with new parts.

Contact us

If you have any questions about transmission rebuilds or would like to bring your vehicle in for a transmission repair or maintenance, please contact us today and we’d be happy to help you out.

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Customer Reviews
Great people -- great service!
Rob Dagenais
Great people -- great service!
Date: May 13, 2024
Website: Google
Good people got my transmission...
Isidro Thiessen
Good people got my transmission repaired quickly. It was expensive tho.
Date: May 12, 2024
Website: Google
Knowledgeable, professional and good service.
Jacobo Pineda
Knowledgeable, professional and good service.
Date: May 12, 2024
Website: Google
I had my 2007 Toyota...
Theresa F
I had my 2007 Toyota Rav 4 transmission rebuilt almost 2 years ago. Decided to bring it back for a transmission fluid change and for another check before the warranty expires. What I didn’t tell them is that there’s already a leak (my neighbour told me). I’m giving this business a 5 star review because they are honest. They told me it had a leak and they had to replace the seal, and it was still under warranty. Wow! Thank you!!!
Date: May 11, 2024
Website: Google
I have a 2015 Mazda...
Jaimin Patel
I have a 2015 Mazda 3 with automatic transmission. It is having jerking issue at 2nd gear when the car is cold. One of my known mechanic suggested Ken for transmission issues. I went there and parked my car overnight to make sure it is cold. In morning, Ken drove it and figure out instantly it was a computer mechanism trying to save fuel by engaging clutch and gear differently, which is normal and I should not spend any money on it. I liked Ken's experience and knowledge and his guidance which saved me going broke.
Date: May 11, 2024
Website: Google
Great friendly, prompt and reasonably...
Dey Muller
Great friendly, prompt and reasonably price service!
Date: May 10, 2024
Website: Google
Excellent experience. Jason is the...
Phil Wall
Excellent experience. Jason is the frontman. Super professional, friendly, and knowledgeable. Great service.
Date: May 10, 2024
Website: Google
Peter and his team did...
Peter Cadieux
Peter and his team did a great job! Very fair pricing and quick turnaround!
Date: May 10, 2024
Website: Google
Had a leak from the...
Bobros1944 Roz
Had a leak from the pan and front seal on my transmission. Despite being busy these guys were able to seal up the pan within one day. No leaks from the pan. I decided to hold off on the main seal as it is a slow leak and I'll deal with it in the winter when the cars in storage. Thanks
Date: May 9, 2024
Website: Google
Absolutely amazing service and help....
Tyrel &
Absolutely amazing service and help. Our shop was in a pickle with a customers vehicle. They got it remedied that day and gave us very valuable insight going forward. Thank you very much again! Greatly appreciated 🙏
Date: May 9, 2024
Website: Google
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