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How Often Should You Maintain Your Automatic Transmission?

February 14th, 2009

Maintenance is the key to long automotive automatic transmissions life. The maintenance is extraordinarily important for an automatic transmission because they make use of many gaskets, seals and components we term hard-parts and soft-parts. These parts are very sensitive to heat, mileage and the time between maintenance’s.

Whether you have new car or you just put a used transmission in your car, don’t discount the importance of maintenance. In fact if you install a good used transmission it is wise to do a “service” immediately, therefore establishing a starting point for your used transmissions maintenance schedule.

Aused transmission is a great replacement for a broken transmission. Not knowing the last time it was serviced makes it a good idea to service it right away, that way you have started a maintenance schedule to go by for your tranny. 

Maintenance schedules vary from brand to brand and from the age of the vehicle. We also need to consider the type of usage your vehicle will experience, meaning is it a work vehicle, a grocery getter or general transportation with an occasional trip to the hardware store where you may buy something heavy. Transmissions produce lots of heat, so making sure they cool properly is a key ingredient to long life.

Most cars built from the early ’90′s use a synthetic based transmission fluid. Synthetic oils or automatic transmission fluids (ATF) withstand more than twice the heat of a conventional ATF. Cars built from the early ’90′s have overdrive transmissions that are constantly shifting up and down the gear ranges causing lots of activity and heat which warrants good maintenance.

To make it simple, request synthetic ATF, it costs more, however, it lasts longer and your transmission will last longer. therefore negating the higher cost. A quality ATF has all the additives it needs, usually about 27 additives are mixed in to a light 15 weight oil.

As a general rule if you drive 12,000 to 20,000 miles per year than I would suggest changing your ATF and transmission filter once a year. If you drive over 20,000 miles a year but it is mostly highway driving, 30,000 miles is a good interval, if it is a work vehicle than it depends on how hard the vehicle works. In most work vehicle cases an ATF and filter change about every 12000 miles is a safe amount of mileage. On the other end of the spectrum, if you drive less than 12,000 miles per year just change the ATF every year. The importance of yearly maintenance in low mileage vehicles is that condensation can build up in the ATF. Simply put, you should drive enough to get your transmission hot enough to burn the condensation out of the ATF. You can always go for a 50 or 60 mile ride to get your tranny hot. Yes, it takes that long for the trans. to heat up all the way.

GotTransmissions.com has one more piece of advise, if your car overheats, since the ATF cools through the radiator, it is mandatory to change the fluid, because more than likely the fluid is damaged from the engine being overheated. The engine and transmission are bolted together. The radiator and everything in the cooling system needs to be checked and fixed too.

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19 Responses to “How Often Should You Maintain Your Automatic Transmission?”

  1. [...] problem surrounded abuse. I was over diligent about maintenance, even though synthetic automatic transmission fluid had not been invented back then, the ATF was [...]

  2. [...] BEFORE the fluid gets damaged. If you have the insight to keep the fluid changed at my personal fluid change specifications than the fluid will never change color or become burnt, which is why a strict [...]

  3. [...] exactly what I just said in the above paragraph. Drivers ignore warning signs, don’t have a solid maintenance plan in place for their transmission and can’t figure out why they all of a sudden need a [...]

  4. [...] maintain your transmission fluid and filter with a new pan [...]

  5. [...] if you don’t drive a lot. The bottom line is it takes less time out of your life to have your transmission serviced regularly and much less money. A transmission failure may tie up your cat for a week and cost thousands of [...]

  6. [...] cut to the point. What has happened is through a lack of maintenance, overheating the engine and transmission or the using wrong transmission fluid, a situation has [...]

  7. [...] The phones were very active at GotTransmissions.com last week. More calls for Honda Civic transmissions than usual. This transmission has always been popular, mostly because the Civic is one of Americas best values in a vehicle. The Honda Civic is not only affordable, it also gets incredible gas mileage and they last a along time with the proper maintenance. [...]

  8. [...] point of this blog, presented by GotTransmissions.com Blog is to get you in the habit of performing transmission maintenance on time, therefore never experiencing this problem and possibly never having a transmission problem at [...]

  9. [...] take maintenance lightly either. All Mopar overdrive transmissions, both front wheel drive and rear wheel drive are very [...]

  10. [...] to say I drive a 1988 GMC 1 ton four wheel drive pickup. I bought it new and have given my truck meticulous care by changing my automatic transmission fluid, engine oil and filter and the cooling system fluid for [...]

  11. [...] automatic transmissions have built in problems from the factory. In fact many of them are fine when maintained properly and driven in the manner the vehicle was intended. However, there are many transmissions that need [...]

  12. [...] of the car manufacturers have brand specific synthetic oils and when you have your transmission maintained, the ATF should come from the dealer. Honda, Kia and Mitsubishi must be filled with fluid that [...]

  13. [...] Get a quality job with a good warranty and learn to take care of your rebuilt transmission with preventive maintenance so it will last for a lot longer than the warranty. FYI, my shop gave 3 year nationwide warranties. [...]

  14. [...] This will give you a starting point to know when you should maintain it next time. “How often should you maintain your transmission?” is a recent post on that [...]

  15. [...] to learn more about almost anything transmission related, from the most critical procedures such as preventive maintenance to informative articles on how to choose what is in your best interest. [...]

  16. [...] One of the biggest problems the 700 had was that it was a staple in the GM pickup line and was subject to hard use-age in the work vehicles, which caused many transmission overheating problems. Overheating is probably the worse thing that can happen to an automatic transmission other than fluid loss or lack of maintenance. [...]

  17. [...] Don’t forget that your automatic transmission is loaded with the same precision made parts as airplanes and space shuttles:..and maintenance is your best friend. GotTransmissions.com has a Blog that has an article on the details of proper maintenance. [...]

  18. [...] Assuming the pan is relativly clean, only the mechanic looking at it can tell you this, perform a transmission maintenance with the correct transmission fluid for your car. This is critical, no cheating:… Every [...]

  19. [...] sure you read how to maintain your transmiission so you don’t have a premature tranmsission failure, your transmissions pump is a precisely [...]

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