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techy said:
prowler said:
If you drop down 4 boxes at your source material, you'll see the birth of the prowler-patented 7-6-3® transmission fluid-exchange process which supplements and optimizes the Lietzke process that you quoted. Here is the final version:

Ultimate Transmission Fluid Exchange Process

The prowler-patented 7-6-3® transmission fluid-exchange process WORKS!

Thanks to our new member Rurapentay who has actually done this, we now have a proven method that is arguably the best way to change ALL of the transmission fluid.

Using this approach, a home-mechanic with the simplest handtools can do an equal job to the $100-plus "professional" fluid exchanges (sometimes incorrectly referred to as a "flushes").


quote:Originally posted by prowler
1. Remove drain plug and drain 3.9 quarts.
2. Install 7 quarts.
3. Pump out 6 quarts.
4. Top off with approx. 3 quarts.

Draining and replacing the 4 quarts from the pan before the flush is started is the key. The tranny will never run dry this way.

quote:Originally posted by Rurapentay
well, I just finished using the 3.9 out, 7 in, 6 out, 3 in method and it went off without a hitch!! wonderful idea and by the time my catch pan read 6 quarts, the fluid looked nice and red.

thanks for all the incredible information!
hi there!

just to be sure, from step 2, you install 7 quarts through dipstick (it doesn't overflow?! ) and pump out 6 quarts through the drain plug or the inlet? just wanna be clear as JWS was talking about the transmission cooler inlet hose previously.

hope that doesn't sound too silly

Hey there, I just bought all my tranny fluid last night! I'm excited to take the old MERCON out and put in fresh new MERCON V using the 7-6-3 method. But just to clarify..I had the same question, do we pump out 6 quarts through the drain plug just like in the initial step of draining out the 3.9, or do we have to drain it out through the inlet hose on the tranny. I have an '05 Escape XLS 4x4 and I just wanna make sure I get all the MERCON out so it doesn't interfere with the new MERCON V...thanks everyone for the help! I love these forums!
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