Should I change my transmission fluid?

My mazda have a little dark transmission fluid. When i step on the gas all the way down very fast it takes a few second to shift and you can see how the rpm going up while the car is with the same acceleration. Someone told me if i change my transmission fluid it can be worst. Should i change my transmission fluid? Thanks

My car has 98000 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
This may be a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car’s computer activates a transmission solenoid, which directs transmission fluid into the valve body to engage the correct gear. When this is faulty or not working properly, this can cause a delay in gear shifting or in some cases cause the car to not shift at all. I would recommend having an expert from YourMechanic come to your location to take the car for a test drive to more specifically determine the cause for this shifting issue.

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Still, most owner`s manuals will recommend changing the transmission fluid every 90,000 miles or so.
All Mazda vehicles equipped with SKYACTIV® TECHNOLOGY* have lifetime transmission fluid that only needs to be changed when a major transmission component or the entire transmission needs replacement. *SKYACTIV is a registered trademark of Mazda Motor Corporation.
When to change transmission fluid on Mazda with SKYACTIV® TECHNOLOGY. According to the automaker, Mazda vehicles with SKYACTIV® TECHNOLOGY are equipped with lifetime transmission fluid that needs to be changed only when a major transmission component or the entire transmission needs to be replaced.
If you notice your transmission slipping or have difficulty shifting gears, it may be time for a transmission fluid change. Over time, the fluid can become dirty or low, causing problems with your car`s transmission.
Attention: The total dry capacity of the transmission is 7.7 – 8.0 liters for this application. However, due to the transmission design, only about 4.5 liters will drain from the transmission when removing the transmission pan and changing the transmission filter.
It`s important to change your transmission fluid, but the type of transmission you have affects your ideal changing interval. If you drive manual, most manufacturers will recommend changing your transmission fluid every 30,000 to 60,000 miles.
If you don`t replace your transmission fluid, it will break down much like engine oil and lose its lubricating and cleaning properties. This leads to high temperatures, sludge buildup, and excess friction, which can damage the internal clutches that shift the gears.
Good maintenance includes changing the fluids at the mileage intervals that the manufacturer recommends — no matter how old the car is.
If it`s bright pink-the fluid is new. No need to change it. If it`s light brown with a hint of pink-It needs to be replaced. If it hasn`t been changed in a long time-it will be very dark brown.
About Transmission Fluid Change

Most new vehicles are equipped with an automatic transmission. As a result, there`s not really much maintenance to perform. Still, most owner`s manuals will recommend changing the transmission fluid every 90,000 miles or so.

Mazda recommends that you change your Mazda3 oil every 7,500 miles or 12 months. If you have a heavy Palmetto commute, change your Mazda3 oil every 6 months or 5,000 miles.
If you drive manual, most manufacturers will recommend changing your transmission fluid every 30,000 to 60,000 miles. If you have automatic, you can typically boost that range up to 60,000 to 100,000 miles.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Do I need to get the transfer case fluid and transmission fluid changed?
ANSWER : Hi, thanks for writing in. I looked at your maintenance schedule for your vehicle and found that for up to 150,000 miles, it only says to inspect the fluid level and not change it. The fluids are special fluids and if you did need any work done (i.e. if there is a leak present or other mechanical problem) then make sure the correct Ford certified fluid is used.

When it is time for you to have your transmission fluid serviced, consider having a certified automotive technician from YourMechanic come to your home or office to perform the service for you.

Hope this helps and best of luck!

New cars don’t have transmission fluid dipsticks Transmission fluid changing
ANSWER : That’s a very good question. The reason they have gone with no dipsticks is because they don’t want people messing with transmissions other there at the dealership. Some cars went through that a couple of decades ago. They make it a very involved, convoluted process all through, in order to change the fluid on these modern cars. They have special adapters you have to put. Some of them have to have scan computers in order to read the data and what’s in there, and then be able to change it. A lot of these companies claim that this new fluid is the "lifetime" fluid.

Most new use synthetic fluid can last a long time but any fluid is going to get dirty and wear out over time. I would change it at least every 80,000 – 100,000 miles but if you’ve got one that is really hard to change, you are better off hiring a mechanic to do it.

On some of the cars, it would be too hard for the do-it-yourself because of all that equipment you need. The professional mechanics already have that. Just call any good mechanic, like one from YourMechanic, and they will be able to perform a transmission fluid service for you.

is it safe to change Transmission Fluid. Hasn’t been changed in a long time. Currently the Transmission is working fine; no slip
ANSWER : I agree with the other mechanic. If the fluid looks dirty then this means the transmission was not serviced for a long time and if you service it then the new fluid will wash out all the clutch material that is being held together by the old fluid. You would be taking a big chance that the transmission will start slipping within a week after you service it.

A 75-point safety inspection is a good idea after long-term storage, and a qualified technician from YourMechanic can perform this for you at your home or office.

There is automatic transmission fluid in a manual transmission. Is it okay to leave or do I need manual transmission fluid?
ANSWER : This would depend on what the manufacturer recommends. Many manual transmissions do take automatic transmission fluid. If your transmission has ATF in it, it is very likely that it is supposed to have that in there. If not, it is likely that the transmission would not function properly with the wrong fluid. Many manual transmissions will also take engine oil as a lubricant. The best way to know for sure is to check your owner’s manual or call your local General Motors dealership to inquire.

Should I change the transmission fluid?
ANSWER : Generally, when the transmission fluid turns a brown color, it has been broken down and is no longer providing the protection needed for the transmission. As you know, the transmission fluid is designed to provide lubrication, protection and hydraulic pressure. As it breaks down over time, it may lose these qualities and lessen the effect on the transmission potentially resulting in transmission problems. I would recommend having a professional from YourMechanic come to your location to perform a transmission fluid service.

My car is leaking transmission fluid – I can’t diagnose the leak
ANSWER : Based on the NHTSA database covering consumer complaints, as well as government mandated recalls and factory service bulletins, for your specific year, make and model, I do not see evidence of widespread complaints about transmission fluid leaks. Such leaks are, in fact, common in transmissions made by any car company, particularly if the transmission is older than say 10 years. There is a manual shaft seal, oil pan gasket, output shaft seals, case seals, torque converter seal (inaccessible) and so forth all of which are potential leak points on your transmission.

If you want to identify and resolve these leaks, certainly a certified Mechanic from YourMechanic could come out and perform a transmission leak inspection and let you know where the leak points are and what it will cost to resolve them.

Can I use alternative Transmission fluid to the quotes recommended fluid if i’m bringing my own parts?
ANSWER : I would recommend buying the correct fluid. The reason is because I want to make sure your car is taken care of and is running as long as possible. You wouldn’t want to put something foreign in your car that it may not accept unless you’re willing to accept risks. Different fluids have different chemicals in it. It may cost more right now, but you won’t have to spend money buying a new transmission or having one rebuilt.

Should I change my transmission fluid?
ANSWER : This may be a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car’s computer activates a transmission solenoid, which directs transmission fluid into the valve body to engage the correct gear. When this is faulty or not working properly, this can cause a delay in gear shifting or in some cases cause the car to not shift at all. I would recommend having an expert from YourMechanic come to your location to take the car for a test drive to more specifically determine the cause for this shifting issue.