School of Transmission

By Mister Transmission

Your vehicle’s automatic transmission is a remarkable piece of machinery. It may be complex to understand how it functions, but a little knowledge can go a long way toward preventing a breakdown

The most complex and intricate system in your car is its automatic transmission – understanding how it works can help save you time, hassle, and money. Comprised of a series of mechanical, hydraulic, and electrical components, they are all controlled by your car’s engine control unit, aka the powertrain control module.

A short drive to a nearby store means your transmission will likely shift about 25 to 30 times. Now imagine how many trips like that you make in a year and the impact they have on your transmission.

Shift Your Thinking about Your Automatic Transmission

Automatic transmission gear changes are monitored and executed by your vehicle’s internal computer. A torque converter uses the pressure and flow of transmission fluid to not only regulate the gear changes but also to allow the engine to continue running even when at a full stop. It also makes for a smoother shifting between gears.

When fluid levels in the transmission drop, so does the pressure that controls the shifting of gears. That can cause friction and less effective cooling, in turn leading to damage and potentially expensive repairs.

Recognizing Automatic Transmission Warning Signs

Preventing a breakdown from stranding you at the roadside requires insight into the warning signs your car will send if you’re on the cusp of experiencing a transmission-related problem. These warning signs include:

  • Grinding, rattling, or whining noises when changing gears or problems shifting gears
  • A delay in movement or your car jerks or shakes as it accelerates
  • Your transmission fluid is low, or you notice it pooling beneath the engine where you park
  • If you check your transmission fluid and see it’s not a reddish colour
  • You smell a burning odour while or after you drive

If you suspect your vehicle’s automatic transmission isn’t performing properly, or if you have questions about preventative transmission maintenance, contact us. Take advantage of our free 21-point multi-check inspection and avoid the cost and aggravation associated with a failing transmission.

Want to learn more?
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Customer Reviews
My car died and they...
Jason Jones
My car died and they were kind enough to give me a boost and recommend me to a mechanic that can help I highly highly recommend Mr transmission great service and good guys
Date: February 5, 2026
Website: Google
Had a complete transmission rebuild...
George H.
Had a complete transmission rebuild done here on my old Honda Ridgeline. Phil was excellent to deal with. Thank you!
Date: February 5, 2026
Website: Google
Had my car Toyota Venza...
Ron Erickson
Had my car Toyota Venza CAA Towed after car censor lights showed transmitmisson lights etc. Went off. Owner drove me home. They reset check everything NO charge. Very honest and trustworthy!
Date: February 4, 2026
Website: Google
I had a fantastic experience...
Main Shalabi
I had a fantastic experience with this mechanic. Despite dealing with a complicated warranty situation and multiple issues with my car’s transmission, he was incredibly kind, helpful, and persistent. In the end, he managed to fix my transmission and get everything running smoothly, amazing owner , amazinf staff and. Highly recommended!
Date: February 4, 2026
Website: Google
Had some clutch issues. Explained...
A R
Had some clutch issues. Explained the issues to Joe and he just had me pump the clutch a few times while he looked under the hood and it turns out to be just air in the hydraulic system. He could have given me the dealer treatment and charged me for diagnostic fees and shop time but he didn’t. He took me for a quick drive around to make sure it’s working and sent me on my way. That’s the kind of place this is. Honest people. Will come back (hopefully not) but if I ever have any transmission issues, this is where I’ll go. Highly recommended.
Date: February 4, 2026
Website: Google
Thanks to Christine and Chris...
Star Gazer
Thanks to Christine and Chris for saving my 2019 F150! Amazing!
Date: February 4, 2026
Website: Google
Mister Transmission came highly recommended...
Renaya Darsi
Mister Transmission came highly recommended by my local auto shop when I had transmission issues, and I can see why. The entire process of dealing with them was absolutely fantastic - from the helpful and friendly lady at the front desk to Kris who worked on my car, I couldn’t have asked for better service. They are friendly, honest, knowledgeable, full of sound advice and a pleasure to do business with. I will definitely be coming back if I ever need help with another transmission.
Date: February 4, 2026
Website: Google
Great service, knowledgeable people. Your...
Joseph Viscardi
Great service, knowledgeable people. Your vehicle is in good hands
Date: February 4, 2026
Website: Google
this place was amazing garry...
Matthew McCormick
this place was amazing garry fixed my transmission quickley at minimum cost if your having transmission problems dont wait come see them asap
Date: February 4, 2026
Website: Google
Great experience. Honnest work ....
A D
Great experience. Honnest work . Makes u feel at home . No missed information. Great work . Love mister transmission. Definitly my new shop.
Date: February 4, 2026
Website: Google
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