| Flushing Tranny Fluid |
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First, remove the UPPER radiator transmission line. You will need to
install a new fitting (unless you have an auxilary transmission
cooler) with a flared tubing end (available at Pep Boys). Then attach a 5-foot long 3/8" ID hose to the upper radiator fitting. DO NOT attach the hose to the metal transmission line. Secure the hose with
an adjustable clamp.
Run the hose to a 15-qt. capacity pan on the ground. Then start the
engine and allow the ATF to pump into the pan. You may slightly rev the engine to activate the pump at a higher capacity (do not exceed 1,200 rpm). It will take about 5 minutes to drain the transmission. Once the flow rate decreases or the ATF spits, quickly stop the engine.
Re-install the transmission line into the upper radiator fitting (return to the stock set-up). Now is an excellent time to install an
auxiliary transmission cooler. Safely secure the vehicle on jack stands and move the 15-qt. capacity pan to under the torque converter.
Remove the rubber bell housing seal with a screwdriver. In order to
drain the TC, you must align the drain plug with the hole in the bell housing. Crank (BUT DO NOT START) the engine until the plug is aligned. Two people make this task easier. Remove the drain plug and allow the TC to drain. It will take about 30 minutes to completely drain.
Finally, remove the 14, 10mm transmission pan bolts and lower the pan
down. Notice, little or no ATF is in the pan. Drop the filter into the pan and discard. Clean the pan out, as well as the magnet using
brake cleaner spray. Re-use the original pan gasket provided it isn't ripped or damaged.
Re-install the pan in reverse order and torque the bolts to 120 in.-lbs. Be sure to re-install the TC drain plug and bell housing seal. You should consider upgrading the main controls (valve body) as shown in Jerry's thesis/novel. Verify the 1-2 Accumulator piston is the new updated version (rubber molded) and not the aluminum one. Replace it with part number F7AZ-7F251-AA). The 2-3 Accumulator piston should also be checked and upgraded to the new rubber style, part number F7AZ-7H292-AA. My report will be available very soon, detailing (step-by-step), how to install these parts.
Re-fill the transmission and torque converter through the dip stick
tube. Add 6 quarts of MERCON-V ATF (XT-5-QM) and then start the vehicle. Move the shifter slowly through the gear positions (don't worry if the transmission does not engage each gear). Stop the engine and add 4 more quarts of MERCON-V. Run the shifter through the gears again. Add the last two quarts of ATF slowly and check the dip stick marks. The holding capacity for the torque converter and transmission together is 12 quarts (13 with an auxilary cooler).
A-Train
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