Changing transmission fluid - OEM fluid?
#1
Changing transmission fluid - OEM fluid?
Was planning to have a buddy change the trans fluid this weekend on my 2009 f250 v-10 automatic 4x4. Do I need to use Motorcraft trans fluid or will any brand at an auto parts store work. Any brand recommendations. Should I get the 2 filters from my dealer or once again just an auto parts store? Friend said I would need 18 quarts of fluid. Tks
#2
#3
Does your friend have a heated flush machine? To properly service the Torqshift transmission he must have a heated flush machine to open the thermostat to let the fluid flow. He could drop the trans pan and change just that fluid and its around 8 QTS...could be wrong though.
#4
If your rig has about 50K on the oil get a case of Mercon LV and a filter(filters if you have a remote filter too). The pan gasket is reusable. Drop fluid, clean debris off the magnet install new filter(s) and refill. Drive it 10-20 miles. Drop the pan contents using the drain plug in the pan and refill. This will consume about 18-19 qts. This should be good enough. The fluid should be changed at regular intervals recommended in your ops book. If you have over 100K of hard miles on this fluid which I doubt with an 09 then you may need to do a third flush or find someone with a heated flush unit.
#6
Is removing the lines from the converter the old school way? This guy works in a transmission shop so i don't want to second guess him but I also want things done right. Is the Mercon LV OEM or can I pick that up at an auto pars store. Tks
#7
It can't be done this way.
Trending Topics
#9
OK, I stand corrected, there are fluids that will meet Mercon SP or LV standards. Valvoline MaxLife Dex/Merc says: Recommended for use where DEXRON, DEXRON II, III and VI, Toyota T-IV and WS, MERCON®, MERCON® SP and LV, but I have not heard of anyone trying it, yet. Also, Redline and Amsoil do make a Mercon SP compatible fluid.
#11
OK, I stand corrected, there are fluids that will meet Mercon SP or LV standards. Valvoline MaxLife Dex/Merc says: Recommended for use where DEXRON, DEXRON II, III and VI, Toyota T-IV and WS, MERCON®, MERCON® SP and LV, but I have not heard of anyone trying it, yet. Also, Redline and Amsoil do make a Mercon SP compatible fluid.
That's like saying that an oil can be used in anything that requires oil. It HAS to be Mercon SP or LV. Which, I might add, can be had at your local O'Reilly auto parts store for less than $5/quart.
#12
OK, I stand corrected, there are fluids that will meet Mercon SP or LV standards. Valvoline MaxLife Dex/Merc says: Recommended for use where DEXRON, DEXRON II, III and VI, Toyota T-IV and WS, MERCON®, MERCON® SP and LV, but I have not heard of anyone trying it, yet. Also, Redline and Amsoil do make a Mercon SP compatible fluid.
#13
Perhaps he should become more familiar with this particular transmission. It uses a thermostat that only allows 10% of the fluid to pass to the coolers until the transmission gets up to temp. So you warm it up, pump the fluid out, pour some fluid in, and you will bring the transmission below the thermostat's temperature. You will then get very little flow, and rather than flushing it out you'll simply be mixing your old fluid with the new fluid.
It can't be done this way.
It can't be done this way.
I'm not trying to be rude about your buddy, just making sure its done correctly
#14
If your rig has about 50K on the oil get a case of Mercon LV and a filter(filters if you have a remote filter too). The pan gasket is reusable. Drop fluid, clean debris off the magnet install new filter(s) and refill. Drive it 10-20 miles. Drop the pan contents using the drain plug in the pan and refill. This will consume about 18-19 qts. This should be good enough. The fluid should be changed at regular intervals recommended in your ops book. If you have over 100K of hard miles on this fluid which I doubt with an 09 then you may need to do a third flush or find someone with a heated flush unit.
#15
I have 49k on the truck. I follow the above but how do you get 18 quarts into the transmission and torque converter with this method. It seems to me that once you drop the pan and replace the filer and top off then drive 15 miles then drain via the plug you are draining old as well as new fluid and you won't have a completely clean system. Not being combative just trying to understand. Seems theses transmissions are a pain to service and probably not done right when taken to an independent or ford dealers. None of the ford dealers within a 50 mile radius of me has a heated flush machine and even if they did they probably don't drop the pan to change the filter to begin with.
Someone did actually devise a DIY heated flush method, but it involves heating the bottles of fluid in your oven. Not something I would want to be doing.