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Trans flush...

WHT98GTP

WHT98GTP

New member
Hey! Does anyone know how I can do a complete trans flush at home. I am also replacing the filter and pan gasket as well... Can it be done at home or do i need to take it in to a shop to get it completely flushed? Thanks!
 


Flushing is fine as long as you don't get it flushed at a shop. The reason for this is a shop uses a pressurized system which may force fluid and debris into places it wouldn't ordinarily go. The easy way to flush at home is to get a few gallons of fluid, disconnect the trans cooler return line at the trans and put it in a drain pan, start the car and pour fresh fluid in as it pumps the old stuff out. Once it starts coming out clean you're good to go for pulling the pan down, changing the filter and filling er back up.
 
Hummm... I sometimes hear chatter coming from sound like the TC, so I wanted to flush as much of the old fluid as I could and be able to replace the TC fluid as well...
 
OH4CompG said:
Flushing is fine as long as you don't get it flushed at a shop. The reason for this is a shop uses a pressurized system which may force fluid and debris into places it wouldn't ordinarily go. The easy way to flush at home is to get a few gallons of fluid, disconnect the trans cooler return line at the trans and put it in a drain pan, start the car and pour fresh fluid in as it pumps the old stuff out. Once it starts coming out clean you're good to go for pulling the pan down, changing the filter and filling er back up.
Click to expand...

Ok... SHould I replace the filter before or after I do the new fluid.
 


Well you're gonna need a lot of fluid. Typically it's 7-8 quarts on a pan drop, but you're going to want to flush first. so get 4 gallons. Pump two gallons through while you're flushing, then pan drop, change filter, clean pan and magnet. Fill and drive
 
Ok. So i dissconect the lines. I run 2 gallons through it while car is running to flush the old stuff out. I drop the pan, install a new filter and gasket. then i top off fluid and drive it... Will the two gallons be enough to get all the old fluid out?
 
It'll get enough out to make the fluid just like new. You can always put more through it but it's up to you. Just disconnect the return line at the trans. It's the one going strait into the trans, not the one with the little u-bend on it. It's typically a two man job so you can keep pouring the fluid in while it runs and the guy underneath can operate the pan and tell you when it comes out clean.
 
Ok. Looks like I will have to enlist a buddy and get to work... One last question.. Car is an 02..... Recomended type of fluid?
 
Since you're flushing it you could do Dex 6. However that's gonna run you like 200 dollars for fluid if you flush and fill with that. I'd just keep it Dex 3. And remember, disconnect the line first, THEN start the car. Otherwise it could get messy. And don't run the trans out of fluid. As soon as it comes out clean, stop pouring and shut it off.
 


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