

Some machines will run the transmission pump dry as they remove more fluid than they add back in.

Among other reasons, this is because these machines, (especially when connected improperly) can block or pressurize the wrong passages inside the transmission and cause damage. Most automakers recommend against using an external machine to flush transmission fluid. Fact #2: Car manufacturers recommend against transmission flushes.
#FULL TRANSMISSION FLUSH COST ON A CHEVY COBALT FULL#
Checking your vehicle’s transmission control module for software updates, (and installing them if required) completes our full and correct service of your transmission. Some transmissions also require certain adjustments while the pan is removed. While we’re inside there, we also clean the inside of the pan, including special magnets that are installed to trap metal filings and debris. Your transmission filter is usually accessed by removing a pan or cover on the bottom of your transmission. In addition to replacing the fluid, this service also includes replacement of your transmission filter, if equipped. This is where we like to illustrate the difference between a transmission flush and a transmission service.įrom our page on transmission fluid: A transmission service involves a lot more work than a flush. Changing the filter is time consuming and messy, but it’s part of the complete job. About 60% of vehicles have an internal transmission filter that should be replaced every time the fluid is changed. However, it neglects the most important part of servicing the transmission: changing the filter. Hooking up a transmission flush machine is a quick, easy money-maker for shops that perform this service. The transmission pan removed, showing the metal filter inside.
