I want to replace all the old transmission fluid in our '04 Jeep Grand Cherokee, but I understand that pulling the transmission pan would only drain half the fluid (even though I could replace the filter when I pull the pan). A mechanic would be able to force all the old fluid out, flush the transm…

DIY Transmission Flush

missileman April 13, 2010, 4:58pm 4

There is no need to flush the transmission. The proper procedure is to pull the pan, clean it out, replace the filter and refill with transmission fluid. That’s the way the transmission was designed and that’s the correct procedure.