Should I Change Transmission Fluid After 150K Miles?

Published date:

2022-10-02
Score: 4.4/5 (49 votes)

Are you searching for an answer to the question: Should i change transmission fluid after 150k miles? On this page, we've collected the most accurate and complete information to ensure that you have all of the answers you need. So keep reading!

The manufacturer's maintenance schedule for many automatic transmissions doesn't call for fresh fluid until 100,000 miles or, with some Ford transmissions, even 150,000 miles. A lot of mechanics say that is too long and that it should be done at least every 50,000 miles.

You may wonder, is it safe to change transmission fluid on high mileage? Changing the transmission fluid on a high-mileage car is risky. Don't do it unless your transmission is running fine and the fluid is first-rate, because it can make transmission failure imminent.

Similarly one may ask, should i change my transmission fluid if its never been changed? If your fluid has never been changed before, replacing it with new fluid can cause the transmission to start slipping, even if it wasn't slipping before. This is because the old fluid will contain clutch material from being in there over time and can actually be helping the transmission to still shift gears.

Besides above, is it ok to change transmission fluid after 100k miles? Do You Need to Have the Transmission Fluid Changed? The simple answer is yes. But service intervals for new vehicles can exceed 100,000 miles before this needs to be done.

Likewise, at what mileage should transmission fluid be changed? For optimum protection, change the Transmission Fluid and filter every 30,000 miles (unless you have a new vehicle that is filled with Dexron III ATF, which is supposed to be good for 100,000 miles).


Is it OK to change transmission fluid after 200k miles?

The manufacturer's maintenance schedule for many automatic transmissions doesn't call for fresh fluid until 100,000 miles or, with some Ford transmissions, even 150,000 miles. A lot of mechanics say that is too long and that it should be done at least every 50,000 miles.

Can changing transmission fluid ruin transmission?

If anything, changing a car's transmission fluid will prolong the life of the transmission and keep the car running longer. If you don't change the transmission fluid regularly, if not at all, then you run the risk of the transmission being damaged.

How long can a transmission last without changing fluid?

Automatic: Every 60,000 to 100,000 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. There's no harm in changing your fluid early.

What are the signs that you need a transmission flush?

The 5 signs include: 1) strange noises or even grinding coming from the transmission, 2) you experience problems shifting gears, 3) you experience some slippage when shifting gears, 4) unexplained surging of you vehicle, and 5) delay in movement after placing the vehicle in gear.

What are the symptoms of dirty transmission fluid?

6 Signs Your Transmission Fluid is Bad and Needs Changing

  • Dirty transmission fluid.
  • Transmission whining noise.
  • Gears slipping.
  • Can't go into reverse gear.
  • Slipping out of gear.
  • Engine running hot.
  • Grinding noise.

Is it better to flush or drain transmission fluid?

Performing a flush also allows you to use a flush additive to help clean the transmission and more effectively remove accumulated sludge and other contaminants. Transmission flushes are recommended every 45,000 miles or 3 years in place of a drain and fill or to replace fluid changes altogether.

Which is better transmission flush or change?

A transmission fluid change doesn't remove all of the fluid, but is still effective in replacing most of the dirty fluid. A transmission flush is very effective because all of the old fluid is removed using a flush machine and then new fluid is added.

How much should a transmission fluid change cost?

How Much Does a Transmission Fluid Change Cost? The cost to have your fluid changed by a dealer, service center or independent mechanic ranges from $80 to $250. The average cost is around $100 for both automatic and manual transmissions.

Should I change my transmission fluid at 180000 miles?

Motorists sometimes ask, “How often should I change transmission fluid?” It depends on your vehicle and driving habits. Recommended transmission fluid changes run the gamut from every 30,000 miles (48,000 km) to never.

Is it worth flushing transmission fluid?

Routine transmission flushes are especially important if your car uses an automatic transmission. They can help prevent your transmission's internal hydraulic lines from clogging and protect the inner seals, which can lessen the likelihood of transmission fluid leaks.

What is the average cost of a transmission fluid change?

How Much Does a Transmission Fluid Change Cost? The cost to have your fluid changed by a dealer, service center or independent mechanic ranges from $80 to $250. The average cost is around $100 for both automatic and manual transmissions.

What is the difference between Flushing and draining a transmission?

A transmission fluid change is when dirty fluid is drained from the pan, while a fluid flush is when fluid is removed and replaced in the pan, torque converter, and cooler lines. Fresh fluid will allow the transmission to run cooler and also to be protected from wear and corrosion on major components.


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