10 Ways to Care for Your Automatic Transmission

By Mister Transmission

Avoid costly transmission repairs. Read Mister Transmission’s 10 tips for keeping a car with an automatic transmission in good condition

Depending on the type of vehicle you drive and its age, transmission repairs can be costly. Sometimes it’s impossible to avoid having a transmission repair specialist service your vehicle particularly if you’re subjected to a total breakdown.

But there are things you can do to extend the life of your automatic transmission and prevent transmission failure. Read our checklist of top 10 transmission maintenance tips:

1. Check your transmission fluid periodically. On many cars, light trucks, and SUVs, checking the transmission fluid is as easy as checking the oil: with the engine idling, pull out the dipstick, wipe it off, insert it again, wait, then pull it out to get an accurate reading. If the fluid level is low, you may have a leak. The fluid itself should be a bright red colour, clear, and it should smell sweet. If it’s murky, dark coloured, or smells like rotting fish take it to a transmission repair specialist to look things over.

2. Use the right type of transmission fluid. Always consult your vehicle’s owner’s manual to determine what type of transmission fluid you should use. If after doing so you’re still not sure, pop in to a Mister Transmission and ask a professional.

3. Have your engine’s cooling system serviced. Your vehicle’s cooling system helps prevent the engine from overheating. But did you know it also ensures the transmission fluid pumping through the gearbox is cooled too? It’s more likely you’ll need a transmission repair before your engine completely overheats. Make sure your cooling system is in optimal condition.

4. Get your transmission flushed regularly. Changing the transmission fluid in your car is best left to a professional. Consult your car’s owner’s manual, but in general, get your vehicle’s transmission flushed once a year. How long the transmission fluid in your car will last depends on the vehicle’s operating temperature and how much driving you do.

5. Don’t change gears while your car is moving. Bring your vehicle to a complete stop before changing gears from ‘drive’ to ‘reverse’ or vice-versa. Failing to do so simply puts strain on your transmission and after awhile it can lead to a serious problem.

6. Let your car warm up before you drive. Who among us has hopped into the driver’s seat, started the engine, put the car in drive and motored away? (Full disclosure: I’m as guilty as you are) Always allow your engine a few minutes to warm up before you begin to drive, especially during the winter months.

7. Don’t drive on a spare tire for an extended period of time. Mismatched tire sizes, or driving with a small spare tire over a long period of time is a no-no. Not only will it do damage to other parts of your vehicle such as ruin the wheel alignment, after a while it puts unnecessary strain on the transmission.

8. Regularly change the transmission filter. That’s right: your car’s automatic transmission may have a filter, and it needs to be changed from time to time. Whether or not you’re driving a car that has a transmission filter depends entirely on the make and model. Most newer vehicles don’t have a transmission filter but those that do should be changed each time you get your transmission flushed.

9. Avoid using your vehicle for towing. Using your car to tow heavy loads, particularly in hot temperatures, can cause the transmission fluid to oxidize or burn, and in turn, do a lot of damage to the transmission.

10. Have your transmission inspected annually. Having a certified transmission repair specialist conduct a diagnostic check of your transmission for leaks and other abnormalities at least once a year, as well as checking the transmission fluid’s level, colour, and smell periodically is smart preventative maintenance.

If you are in the Weston neighbourhood in northeast Toronto near the Humber River, or driving on Black Creek Drive south of Highway 401 and are experiencing transmission troubles or suspect you are, call us now at 416-249-1300, or visit us at 1677 Jane Street in North York. Stranded roadside because of a breakdown? Our tow truck is standing by. Our certified transmission repair specialists will get your car back on the road again quickly.

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Customer Reviews
I had a great experience...
Aiyana Heuer
I had a great experience with Stuart, they did a full inspection on my car with photos after and gave me lots of resources/papers with the diagnostics which was very helpful! Overall very helpful and respectful experience
Date: April 18, 2026
Website: Google
My 2016 Dodge Journey would...
Liz Gosselin
My 2016 Dodge Journey would not pick up speed without revving at a really high rpm. Transmission was slipping and revved hard in reverse. Took it in to Mister Transmission on Portage Ave knowing I most likely needed a new transmission. Got them to check and yes I needed one. They gave me the money back for the diagnostic and I paid for the new transmission. They also provided me with a courtesy car for 5 days. They did the work so quick and made sure my car was fixed properly. My car runs like a brand new vehicle. It picks up speed, rpm is good, and doesnt shake in reverse anymore. Special thanks to Phil and the team for repairing my car and getting it back to working order. They also have a good warrenty on the new transmission. Completely worth the money. Thanks guys.
Date: April 18, 2026
Website: Google
Great service and honesty!
Mike Hoyer
Great service and honesty!
Date: April 17, 2026
Website: Google
I cannot say enough good...
Shane Whitehead
I cannot say enough good things about dealing with Mister Transmission. Their staff are extremely knowledgeable and went above and beyond while working on my transmission. They brought out the filter and pan and explained what they suspect happened before even pulling the transmission apart. They were kind enough to take me into the shop and allow me a visual of what I was looking at and was able to walk away more knowledgeable than going in.They gave me a ride home in their personal vehicle as they did not have a shuttle and didn't even mention taking a taxi as if it wasn't an option.They stuck around late on a Thursday of a long weekend (Friday being the holiday) to ensure the vehicle was returned to me before the long weekend and leaving me without a vehicle for an additional 4 days.I will be returning for fluid changes and any other concerns with other vehicles in the future.
Date: April 17, 2026
Website: Google
The guys were extremely quick...
James Skalko
The guys were extremely quick and accurate. Had my trans rebuild done in 2 days, and delt with the warrenty for me
Date: April 17, 2026
Website: Google
Did a great job on...
RON ENNS
Did a great job on my SUV, fixed it all in a day. Thanks for quality workmanship.
Date: April 17, 2026
Website: Google
I had a serious issue...
Christian Karimlou
I had a serious issue with my transmission on my 2017 Civic and brought it here. The team at Mister Transmission did an amazing job diagnosing and fixing everything properly. They explained the issue clearly, kept me updated, and the customer service was top tier from start to finish.They replaced everything needed and got my car running like new again. Was charged for a very fair price for the amount of work that was done.Honest, professional, and reliable I highly recommend them if you’re dealing with any transmission problems.
Date: April 17, 2026
Website: Google
Used these guys years ago...
Mike DeGasparo
Used these guys years ago and I'm glad to see they're still able to good work like they did on my chevy venture 20 years ago. Way to go guys, good job!
Date: April 17, 2026
Website: Google
I had to have my...
Gabriel Patrascu
I had to have my clutch replaced in my car as it was on its way out. Dan was super helpful in answering questions and sourcing a new clutch kit. They had it replaced and ready to go in just two days. They did a great job and my old car drives like new. Highly recommended for their professional service. Thanks!
Date: April 17, 2026
Website: Google
Great place! Very nice staff....
Mike A
Great place! Very nice staff. They really know there stuff!!! Probably most talented mechanics in town! If you need anything transmission related highly recommend this place.
Date: April 16, 2026
Website: Google
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