When did they start using flush transmission fluid?
But a new way of servicing transmissions, called a flush, came into widespread usage in the mid-1990s. Both of these services replace your transmission fluid with fresh fluid, but in very different ways. Let’s take a look at both and see which makes more sense for your car.
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 to change automatic transmission fluid in Ford Ranger?
Discard the old pan gasket. 6. If necessary, remove the Automatic Transmission Fluid (ATF) filter mounting bolts, then remove the filter by pulling it down and off of the valve body. Make sure any gaskets or seals are removed with the old filter. The transmission usually has one round seal and a rectangular gasket.
How do you change transmission fluid in a car?
So in order to change the fluid, the transmission pan must be removed so that the old fluid can drain out. With the pan removed, the transmission filter or screen can be replaced. The pan is then reattached using a new pan gasket, and the transmission can be refilled with new automatic transmission fluid.
But a new way of servicing transmissions, called a flush, came into widespread usage in the mid-1990s. Both of these services replace your transmission fluid with fresh fluid, but in very different ways. Let’s take a look at both and see which makes more sense for your car.
How do you change the transmission fluid in a car?
Many auto repair shops bought these expensive machines. The transmission flushing process is straightforward. Simply fill it with the proper type and amount of transmission fluid, hook it up to the transmission cooler lines or pump inlet, and let it run. The old fluid, dirt and sludge is pushed out, and the new fluid replaces it.
Why does transmission fluid wear out over time?
In an automatic transmission, the fluid plays an extra role, as it’s pressurized to select certain gear ratios based on your speed and other driving variables. Over time, your transmission fluid wears out and gets dirty. It loses its lubricating qualities and picks up debris.
Which is more expensive, a fluid change or a flush?
It usually costs more than a fluid change, because the cost of the machine must be included. Some shops see this as a high-profit procedure, so they mark up the price more than usual.