When I disconnected OEM tranny hose, only teaspoon full of fluid came out, so plastic bag-covered cardboard box catched all the drips and splashes.
Then I ran a short hose to OEM aluminum return line to a milk jug. I had my wife crank the engine and let it run and watch tranny fluid pour into the jug. When it reached just below the 3 quarts line I told my wife to shut off the engine. With a slight delay in shutting off engine the fluid level will reach the 3 quarts line.
Then I would put in 3 quarts of ATF-4 into the transmission dipstick fill tube. Repeat the process three more times. Check the dipstick, and fill to correct level. Hook up tranny lines and check for any leakage.
With this flush method, one is replacing fluids up in torque converter as well as in the pan. Dropping the plan would only replace fluid in the pan. The question is -- if one flushes often would the filter need to be replaced at 60,000 miles? Guess I could replace it at much later mileage. Would be nice for someone who had replaced filter to charm in on this thought.
2009 JK Rubicon
Shrockworks Mid-width, Warn 9.5Ti; Skid Row Engine Skid, LCA & Evaporator Skid; Rock Hard Gas Tank Skid; Warn Stainless Steel Diff Skids, 11,000# Pull-Pal. Uniden 520XL CB; 1" Front & 1/2" Coil Spacer Rear; Aeroforce Interceptor, Valentine 1.
Moab - TJ-4/2006, TJ-5/2008, 4/2009, 5/2011, 4/2013, 5/2016, 4/2017
Ouray - TJ-8/2007
Rubicon - TJ-9/2008
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Last edited by Thunderstrike; 08-22-2010 at 08:03 AM.