How to Change Transmission Fluid

By Mister Transmission

Determining the frequency of transmission fluid and filter changes hinges on many factors

Transmission fluid: it is the lifeblood of your transmission. Without it, your vehicle would cease to run. You need to have the transmission fluid and filter changed at recommended intervals as per your vehicle’s owner’s manual, and a transmission flush ought to be performed at least once every three years.

Transmission fluids serve three purposes: it serves as the hydraulic element within the transmission regulating gear changes, it keeps the transmission clean and lubricated, and it cools the entire transmission system.

There is a lot of friction happening within the transmission. These mechanisms are designed to work with the full capacity of transmission fluid. If the levels drop, that friction is less productive and more damaging. Over time, heat will break the fluid down and be unable to lubricate the system effectively. That puts pressure on the transmission to work harder to pump fluid through the filter.

Checking Your Transmission Fluid Level

If you are experiencing performance issues with your vehicle, you may wish to check your car’s transmission fluid level. But be advised: checking your transmission fluid level can be risky as you need to keep the engine running.

Moreover, in some modern vehicles, it is no longer possible for the average motorist to perform a transmission fluid check. It is advisable to have trained, experienced transmission technician inspect your transmission and the quality of the fluid in it.

Though your vehicle’s owner’s manual will make recommendations as to the required frequency of changing the transmission fluid and filter, you should also weigh the type of driving you do, and the environment where you drive. If you have high mileage on your vehicle, drive in mountainous or hilly terrain, regularly tow a trailer or boat, or if you’re hauling heavy loads, have your transmission inspected annually.

Preventative Maintenance Is Your Best Protection

Although there are no guarantees you can avoid a transmission failure no matter how well you treat your vehicle, you can reduce the risk of a transmission malfunction by ensuring preventative maintenance is performed regularly by a professional.

For more than 50 years, Mister Transmission has kept Canadian motorists on the road by ensuring the transmissions in their vehicles are in tip-top shape. If you have a question about your transmission or want to book a service appointment, contact the Mister Transmission service centre nearest to you.

Want to know more?
Visit one of our locations

image-reviews image-reviews
Customer Reviews
Very upfront and honest about...
Patrick Smith
Very upfront and honest about work being done and options for prices. Completed within agreed time and quality work. Happy to have my van back!
Date: April 20, 2021
Website: Google
Paul is awesome took time...
MrBeats
Paul is awesome took time to diagnose and fix my problem power control module I would of never found out and fixed it by myself thanks again Paul :)
Date: April 20, 2021
Website: Google
Superb service, very resourceful and...
Anthony McRae
Superb service, very resourceful and professional 11/10 service!
Date: April 20, 2021
Website: Google
Great service in a pinch!...
Lisa Herd
Great service in a pinch! New to the area,and needed some work done on my car while I was off for a couple days. Professional and on time. Great to know they are in my new neighborhood!
Date: April 20, 2021
Website: Google
Quick repair time and honest...
Marlon Marzan
Quick repair time and honest assesment of what my truck needed.
Date: April 20, 2021
Website: Google
After a catastrophic failure of...
David Thompson
After a catastrophic failure of the CVT in my 2013 Subaru Outback I was glad to find such Professionals. Chris, Janna and the Technicians went above and beyond to get my vehicle back in service. Due to Covid-19 restrictions I had to send the Outback to Moncton on a flat deck. All the time it was there I was kept up to date on their every move and diagnoses. From the first Phone Call until I picked it up there was no doubt "This was the right place". Thanks again Mister Transmission !!!
Date: April 19, 2021
Website: Google
Very profesional and effortable pricing
Sheri Clifford
Very profesional and effortable pricing
Date: April 19, 2021
Website: Google
Andrew was fantastic and provided...
Henry Martin
Andrew was fantastic and provided great insight on the actual issues with my vehicle. He was very informative and educated on what needs to be done on my vehicle. I highly recommend Andrew and Mister Transmission!!
Date: April 19, 2021
Website: Google
Stafford was very polite and...
Marco Allen
Stafford was very polite and professional through our exchange, the service we received was outstanding, the car has never run better.10/10
Date: April 19, 2021
Website: Google
Stafford and Crew were completely...
Richard Kelly
Stafford and Crew were completely professional during my repair. Calling regularly with updates. Work completed on time and at the initial quoted rate.Strongly recommend Mr. Transmission.
Date: April 18, 2021
Website: Google
Featured Services
Transmission Repair

The evolution of transmissions has made these machines and systems increasingly complex. When transmission repairs are required, determining the cause and cure for what ails can be tricky.

Read More
Transmission Technology

At Mister Transmission we have access to leading-edge diagnostic equipment, enabling us to offer you the fastest and most accurate findings about what’s going on inside your vehicle’s transmission.

Read More
Transmission Maintenance & Service

Just as you have other parts of your car serviced, your transmission needs maintenance to ensure a long life and avoid transmission problems.

Read More
Recent Blogs
How Do You Identify Transmission Problem...
As with many things in life, identifying transmission problems early on can save you
Read More
April 14, 2021
What Are The Most Important Transmission...
Transmissions need occasional service and maintenance to continue performing at high
Read More
April 9, 2021
Why You Need To Regularly Visit A Transm...
There are a plethora of reasons why somebody might visit a transmission shop. But
Read More
April 5, 2021
CVTs Vs. Automatic Transmissions
Looking at buying or leasing a vehicle and want to know if you should opt for one
Read More
March 31, 2021
What Are The Most Recurring Transmission...
Some transmission repairs are inevitable; if you own your vehicle for long enough,
Read More
March 19, 2021
Why Is It Necessary To Change Your Trans...
Do you really have to change your transmission fluid or is it just one of those
Read More
March 10, 2021
When Should You Visit A Transmission Sho...
Transmission shops offer services that are vital to the upkeep and maintenance of
Read More
March 3, 2021
How To Take Care Of Your Transmission In...
Canadians know that winter driving is different. We all know about basic service and
Read More
February 24, 2021
How Much Does Transmission Repair Cost?
How much does it cost to repair a transmission? Well, this likely will not surprise
Read More
January 28, 2021
Why You—Yes You—Need To Check Your T...
Checking one’s transmission fluid is an integral part of vehicle ownership. If you
Read More
January 21, 2021