quick ? on tranny flushing
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Senior User
Joined: Mar 2003
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From: south jersey
quick ? on tranny flushing
Im putting a new woods vb in and replacing the filter and switching to mobile 1 synthetic. Do I drain the pan, replace vb and filter, and then flush rear cooler line when running through the gears? Wont it hurt the tranny running briefly without fluid?
Fleet Mechanic
Joined: Apr 2001
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I did the valve body and filter then replaced the fluid that came out. I then disconnected the return and pumped out three quarts at a time. I had a friend sitting on the floor holding the hose in a bucket that was marked. He would tell me when I had reached three quarts. I would shut it off and pour three more in the tube and do it all over again. That way the pan was never empty.
Postmaster
Joined: Jan 2004
Posts: 4,758
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From: colorado
dont run the tranny without fluid in it. here are some instructions on the tranny flush.
https://www.ford-trucks.com/article/...nsmission.html
you will also need to plug the port on the trans you remove the line from or you will get a huge mess..i know i did it..lol
https://www.ford-trucks.com/article/...nsmission.html
you will also need to plug the port on the trans you remove the line from or you will get a huge mess..i know i did it..lol
Fleet Mechanic
Joined: Apr 2001
Posts: 1,264
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Yeah, once you refill the pan you just disconnect the return line right at the transmission. You are just pumping out the old fluid before it returns to the transmission. When you get a nice flow of fresh, red looking fluid you are done. You will likely sacrifice a quart or two of fluid.
When you first start, try to measure, roughly, what comes out of the pan, filter and vb. Sometimes the stick can be a little tricky to read. Then I pump out three quarts at a time, makes it much easier to track what you have replaced. Removing three will not allow the pan to go dry.
When you first start, try to measure, roughly, what comes out of the pan, filter and vb. Sometimes the stick can be a little tricky to read. Then I pump out three quarts at a time, makes it much easier to track what you have replaced. Removing three will not allow the pan to go dry.
