Common questions

Can I do a transmission flush myself?

Can I do a transmission flush myself?

Read on to learn how to change transmission fluid. A transmission flush-and-fill from a shop will cost you $149 to $199. But you can do it yourself and save about $100. That’s because it has meant lying under the car, “dropping” the pan—and then getting drenched in fluid.

What is a transmission flush and does my car need it?

A transmission flush is a procedure to remove old automatic transmission fluid (ATF), sludge and grime from a vehicle’s transmission and replace it with fresh fluid. The purpose of ATF is to cool and lubricate your automatic transmission.

How is a transmission flush different from a filter change?

» A transmission fluid flush is different from a fluid and filter change. » A fluid flush will not repair an internal transmission problem. » A fluid flush is a preventative maintenance procedure, not a cure all solution. » A flush is not recommended for certain high mileage vehicles.

How does the transmission pump work in a flush machine?

The input shaft turns the transmission pump and it makes hydraulic pressure. This causes fluid to flow through the cooler line. As fluid leaves the cooler line it enters the chamber on the flush machine. As the old fluid side of the diaphragm fills it pushes the diaphragm up and forces new fresh fluid into the transmission.

Are there Reverse flush machines for auto transmissions?

Nonetheless, many car manufacturers and dealerships contend that these procedures are not harmful at all and help revitalize auto transmissions. MDH Motors does not use a reverse flush machine and over the thirteen years of being in the automotive repair industry I still yet to have seen a machine that flushes the fluid in reverse.

How to change transmission fluid in a Dodge Caravan?

This video shows the standard maintenance process to change the transmission fluid and filter on a Dodge Caravan. We remove the transmission pan, drain the fluid, install a new filter, put it all back together and add the new fluid.

A transmission flush is a procedure to remove old automatic transmission fluid (ATF), sludge and grime from a vehicle’s transmission and replace it with fresh fluid. The purpose of ATF is to cool and lubricate your automatic transmission.

» A transmission fluid flush is different from a fluid and filter change. » A fluid flush will not repair an internal transmission problem. » A fluid flush is a preventative maintenance procedure, not a cure all solution. » A flush is not recommended for certain high mileage vehicles.

The input shaft turns the transmission pump and it makes hydraulic pressure. This causes fluid to flow through the cooler line. As fluid leaves the cooler line it enters the chamber on the flush machine. As the old fluid side of the diaphragm fills it pushes the diaphragm up and forces new fresh fluid into the transmission.

Author Image
Ruth Doyle