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What exactly is being done when you get your transmission serviced?

Answers from the Automotive Experts

Amy Mattinat, Owner and Author at Auto Craftsmen Ltd The transmission and differential are the workhorses of your vehicle. They take the power your engine makes and turn it into forward motion. Like all bearings and gears, the ones in your drive train rely on clean lubricant to work properly and live a long time. As they wear, tiny metal particles get washed away and are suspended in the oil. Unlike an engine, there is no filter to trap these contaminants. The only way to get rid of the contaminants is to change the fluids. There are 2 ways to do a Transmission Service / Change the fluids: 1. The cheap way - drop the drain plug, about 3 quarts of fluid will come out. Put back in the plug, and then add 3 quarts of new fluid. ONLY - about 9 quarts of fluid are still in the transmission. This would be like taking out 1/4 of the water in a very dirty fish tank, and adding 1/4 of fresh water. The tank would pretty much be just as dirty as when you started. 2. The Correct way to change the transmission fluids is to hook up a Transmission Service Machine to the vehicle*s transmission and pump out all the fluid, and then put in new fluid. This may cost you more, but in the long run can save you a lot of money!

Amanda J. Pierce, MBA Katrina, Typically you should have your transmission filter replaced and your fluid flushed out. Usually this is performed by a machine that is hooked to the transmission cooler line. It can cost approximately $190, depending on your type of fluid determines how often this should be serviced.

Barb Petrey, President - DBK Enterprises Inc at Jiffy Lube Fluids are changed and filter may be changed depending on what you asked for

Judy Curry, Co-Founder and Vice President of Marketing at Currys Auto Service A transmission service typically involves removing the transmission pan, changing the filter and refilled the transmission with new fluid. A lot more shops today are doing transmission flushes. A flush with change 100% of the fluid vs. a �service� which typically gets about 50% of the fluid. I would recommend a flush every 30k miles and then change the filter every 60k or every other flush.

Suzanne Grego, Technician at City of Philadelphia Fleet Management Katrina, Usually this means that the technician is taking your transmission pan down, allowing a portion of transmission fluid to drain. Then, the filter is removed and replaced, the pan is resealed and some new fluid is put back into the transmission. Suzanne

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