Flushing out and replacing fluids

Reply Subscribe

Thread Tools

Search this Thread

Feb 8, 2019 | 08:48 AM

#16

Freightrain

Lead Driver

Joined: Jan 2003

Posts: 9,893

Likes: 12

From: Ohio

That's more likely. They just don't want the general public messing with it. Like many things on cars today.

Feb 8, 2019 | 08:40 PM

#17

TexasGuy001

Hotshot

Joined: Sep 2001

Posts: 11,958

Likes: 228

Quote:

Originally Posted by Mark Kovalsky

I know what the filter is like. Have you seen my signature? I was an Automatic Transmission Engineer at Ford from 1988-2007. I also owned an auto repair shop for a few years. I'm rather familiar with this hardware.

I'm not against changing the filter, I just think it isn't worthwhile. If you want to change it, have at it. You won't hurt anything, but you will spend money that doesn't improve the trans. The old filter isn't hurting it unless the trans has already failed.

Yes, I've seen that, too. It doesn't mean I agree with it. I believe that they would have had identical results if they only changed the fluid. Also changing the filter didn't hurt it, nor did it help it.

And that's what I call a transmission flush. https://www.ford-trucks.com/articles...-transmission/

I DO NOT recommend the flushes where they put a solvent in the trans, run it for a while, then change the fluid. I believe those do more harm than good.

And I've had hundreds of thousands of miles of service using my methods.

I did see your signature, and it seems we are more or less on the same page here. I also like to clean the magnet off and the pan needs to be dropped to do that. I guess we weren't exactly talking about the same thing when referring to it as a flush. The home flush idea is fine and I've done that a few times before on a couple vehicles.

Feb 8, 2019 | 10:16 PM

#18

Mark Kovalsky

Frmr Ford Trans Engr

Joined: Aug 1999

Posts: 24,739

Likes: 2,669

From: SE Florida

Then I think we agree. I'm glad we worked that out.

Feb 9, 2019 | 09:53 AM

#19

HardScrabble

Temporarily Deactivated

Joined: Aug 2003

Posts: 1,859

Likes: 2

If in doubt, sample the fluid and have a lab analyze it.

Old myths die hard. It's not easy to convince people that they're wrong, infinitely more difficult with stupid people.

Don't believe everything that you think you know.

Feb 9, 2019 | 01:00 PM

#20

ZombieF150

Elder User

Joined: Sep 2018

Posts: 735

Likes: 8

From: NC

After the other fluids are swapped out I'd get on the brake fluid. As it is hygroscopic it can absorb I think it is up to 3% water,that translates into rust inside the brake system. Just bleed the brakes like you would normally with the exception you just keep dumping brake fluid in til it all comes out nice and clear. When I redid the brake system on my truck the old fluid was orange. Not a good sign as that means rust, I will flush my system again in about 4 months.