When to do a flush transmission fluid change?
A transmission fluid flush, however, uses pressure to push all the old transmission fluid out of the system as it is refilled with new fluid. It is more of a fluid exchange than a drain and refill. For this reason, many mechanics recommend performing a second fluid change within 10,000 miles of the first.
What’s the difference between a transmission flush and a drain?
Gravity is simply not enough to remove it because it sits inside other internal parts. A transmission fluid flush, however, uses pressure to push all the old transmission fluid out of the system as it is refilled with new fluid. It is more of a fluid exchange than a drain and refill.
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.
What is a transmission flush and why are they necessary?
A transmission flush is a process that clears old fluid from the transmission of a motor vehicle and replaces it with new fluid. This process also helps to remove residue from the converters, coolers and cooler lines. There is some difference of opinion about whether transmission flushes are necessary.
How long does it take to flush the transmission?
Transmission repair can take at least 1 day, but the average time it takes to rebuild or flush a transmission is 3 to 4 days. It is up to the vehicle owner to ensure to have frequent transmission service for their vehicle.
When to flush transmission?
The general recommendation is to flush your transmission every 2 years or 30,000 miles. In most cases, getting a transmission flush every 30,000 miles, or every two years or so is sufficient. However, there may be times when you need to get a transmission flush sooner, in order to help protect your car’s transmission.
Is a transmission flush really necessary?
In reality, transmission flushing is not necessary and not recommended. In fact, many manufacturers put a disclaimer in the auto manual and suggest you do not flush the system.