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Post Info TOPIC: Distributor really leaking now after RX?
johnoh


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Distributor really leaking now after RX?
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Here is the method I use:

You need a flat board, two 5 gallon containers, and two 6 foot lengths of clear hose to do this. You disconnect the car's black hose that goes to the transmission line inlet and connect a clear hose to it (so its an extension), and that goes into an empty 5 gallon container sitting on the ground.

Then put your fluid (tranny's capacity plus one quart) into another 5 gallon container, and place this container onto a board which rests up on top of your engine (the bigger the board the easier this is), and then start a siphon line using the other clear hose which sucks the fluid from that container and runs it down to the transmission inlet. Clamp both the siphon and drain lines securely or you will make a mess.

Put the car in neutral and run it for about 20 seconds during which time the empty container starts to fill up with old fluid while gravity is siphoning out the new fluid from its container and dropping it directly into the transmission. The transmission pump will spurt out fluid more quickly than gravity will refill the transmission, so the process goes like this: 20 seconds with engine on, 3 minutes with engine off, 20 seconds with engine on, 3 mintues with engine off. After 25 minutes you will have flushed your fluid completely, and your fluid level stays pretty close to full.

One note: Once you fill up your "source resevoir" of tranny fluid, measure the fluid depth in the container. Say its 10 inches deep. In order to keep your tranny as full as possible throughout this, you want the sum total of fluid in both containers to be 10 inches. That is, at the start you have 0 inches in the drain container and 10 in the source. Halfway through its 5 inches of fluid each. You get the idea. Or you could draw a y-axis up the inner side on your containers, marking the inches of height along the inner wall and then keep track of their total as one container fills and the other empties out. That's easier and quicker.

-- Edited by johnoh on Friday 23rd of April 2010 05:37:28 PM

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dbdeland


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T-Tec cleans the filter in your transmission if you have one by circulating the fluid under safe pressure right through the filter (cleaning it to) i don't care how people clean there transmissions however on automatic units if you don't clean the torque converter you wasted your time along with Auto-Rx and transmission fluid.


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bmwtechguy


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If you are just running the engine at idle during this cooler line flush and shut the engine off when the flow slows down, you will not damage your pump or the transmission. Absolutely not. Also, there is always fluid being pumped into and out of the torque converter, so you do not have to drive the car to get this fluid out of the converter.

Your idea of catching the fluid that is returning from the cooler is ideal.  The fluid going to the cooler is coming directly from the torque converter, which is where most of the heat in an automatic transmission is generated.

The only extra thing that I like to do is to have my assistant move the gear selector into each gear for several seconds to push new fluid into as many hydraulic circuits, clutches, servos, etc. as possible to get new fluid everywhere in there. Only problem is, hopefully the assistant is careful to hold the brake and not run you over.


-- Edited by bmwtechguy on Saturday 24th of April 2010 04:47:06 PM

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mike


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excellent info guys! i will not be doing this for 3000 miles but now i have a very good feel for it!

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