You can flush it without a tranny flush machine.

Very true... a bucket and two people make it very easy...

i was told NEVER ta put lucas in trans when i had mine rebuilt, they said since its an oil base it pulls the grit out of the trans fluid, so im never putting it in again!!!!!!

Dealerships use a high velocity flush that knocks the built up varnishes off and they clog up the galleys in the valve body. If it's done on regular intervals, the varnishes don't have time to build up. On a higher mileage transmission, it's already there and better left there. Draining the fluid and changing filters is a great thing. Flushing a higher mileage transmission isn't is all I'm saying.

Every flush system i have ever seen has two lines coming out, one goes on the supply, one on the return, then you start the rig, put it in N and wait for the pump to do the work, and when I say pump I mean the tranny pump.

Do you understand what pressures the tranny operates at?


That gauge you see in the video is a Drive Oil Pressure gauge, its installed in the pressure port of my 4r100... So unless you have a pump in your flush kit that puts out more then 350psi I doubt there is much to worry about.:tu:

Flushed it with machine at work, AN man what a differance been doing great last week. Shifts an locks up 100% better.