Quick Answer: Are transmission flushes bad for your car?

Are transmission flushes really necessary?

Many manufacturers recommend a transmission flush every 30,000 miles or 2 years. However, not all recommend this frequently – some suggest a flush only every 100,000 miles, and others don’t recommend a transmission flush at all.

Can changing transmission fluid cause problems?

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.

How serious is a transmission flush?

A transmission flush is a perfectly safe service for your car, and is worth the extra money it costs. Transmission flushes have a bad rap however as some people expect a flush to fix major problems, such as slipping and stalling.

Should I flush my transmission or just change it?

Where a transmission fluid change will only replace some of the existing fluid for new, clean fluid, a transmission fluid flush completely removes all old fluid and replaces it with new. Mechanics recommend a complete flush approximately every 60,000 miles.

Will a transmission flush help a slipping transmission?

Any burnt or ineffective fluid is flushed out. A transmission flush can also get rid of any contaminants that may have been preventing the proper flow of transmission fluid. There are transmission fluid additives available that can help, to an extent, with some transmission slipping.

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What are the benefits of a transmission flush?

It cleans sludge, gum, and varnish. It also removes harmful deposits and dirty oxidized fluid. It improves shifting and reduces transmission heat. The biggest benefit is it extends the life of your transmission making it less likely for an avoidable expense like premature transmission replacement.

Should I flush my transmission 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. That makes this seemingly clear-cut advice something of a conundrum for car owners.

What does a transmission flush cost?

The typical price range for a transmission flush is $125 to $250 – approximately twice as much as a fluid change due to the additional fluid required (12-22 quarts instead of 5-7 quarts) to completely replace the old fluid.

Average Cost and Factors.

Transmission Flush vs. Change Cost
Change (DIY) $40 to $90

What is the difference between a transmission flush and a transmission service?

There are two significant differences between a transmission service (routine maintenance) and a flush (also called a fluid exchange). The first is during a service, approximately 40-45% (4 to 6 quarts) of the transmission’s fluid is changed and a flush changes closer to 100%.