Are transmission flushes really necessary?

Asked by John Torres on September 19, 2021

Categories: Automotive Auto parts

Rating: 4.3/5 (69 votes)

Under normal driving conditions, a flush is NOT necessary at 46K miles._The shops make money on flushes, that's why they recommend them. Most transmissions are good for 100,000 miles before requiring maintenance.

Can I flush my own transmission? » A transmission flush can be performed (DIY) using the transmission's pump without a flush machine. A transmission flush is a process in which the fluid in an automatic transmission is flushed out of thetransmission and replaced with new ATF.

How long does a transmission flush take? between 3 to 4 hours

When should you not change transmission fluid? Manual: Most manufacturers recommend that manual transmission fluid be changed every 30,000 to 60,000 miles. Under heavy-duty use, some manufacturers suggest changing transmission fluid every 15,000 miles. Automatic: Service intervals-for an automatic transmission vary from every 30,000 miles to never.