6R80 Transmission Drain Plug
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I don't do Trans flushes. I change out the filter, drain and refill...
Then drain/refill within 3000 miles and again 3000 miles later. Change the filter on the last drain/refI'll. So having a drain plug works. You don't need to change filter every 3000 miles. But the fluid only gets mixed 7 quarts at a time until you change out all the fluid.
Then drain/refill within 3000 miles and again 3000 miles later. Change the filter on the last drain/refI'll. So having a drain plug works. You don't need to change filter every 3000 miles. But the fluid only gets mixed 7 quarts at a time until you change out all the fluid.
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The Jeep filter is attached to the valve body, where the Ford just kind of sits there. The PML pan does have filter supports however I'm a little concerned about how well they actually support the filter against the valve body.
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Until recently the filters were designed for the life of the transmission. If you read the maintenance schedules you won't find a recommended change interval for the filter. There isn't one. That started changing about 2008 when the filters were improved and DO have a change interval.
I've seen a filter cut open that had 369,000 miles on it. The only reason the trans was touched was that the ambulance it had been in was totalled in a wreck. Engineering at Ford had been monitoring that company's fleet, so we got the trans back after the wreck. The filter was still fine and could have lasted many more miles.
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Mark,
as you said until recently...can you give me a rough idea of what the actual life of the filter is then? I ask this since I placed a new filter on my 4R70 at 100k and at that time put a B&M deep sump pan on as well for ease of the drain, fill and the extra 2 qts of tranny fluid (I worked on fluid power systems and know that a measure of your heat can be wicked off with extra fluid reserve as well as a nice, finned aluminum pan :P )
Thanks!
D
as you said until recently...can you give me a rough idea of what the actual life of the filter is then? I ask this since I placed a new filter on my 4R70 at 100k and at that time put a B&M deep sump pan on as well for ease of the drain, fill and the extra 2 qts of tranny fluid (I worked on fluid power systems and know that a measure of your heat can be wicked off with extra fluid reserve as well as a nice, finned aluminum pan :P )
Thanks!
D
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