ATF compatibility questions
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5th Wheeling
Joined: Nov 2021
Posts: 39
Likes: 11
From: Blue Hill
ATF compatibility questions
2007 F350 SD, 5.4L with AT
In process of installing new engine and have drained power steering and AT fluids during the tear down. Owners manual states that Mercon SP should be used in the AT. I’ve read in a more than a few threads on here that Mercon LV is fine in place of SP.
Manual also advise that Mercon should be used for power steering as well as the transfer case. In the interest of only having one fluid on hand I’m inclined to use LV in the power steering and the transfer case.
Anyone have any strong feelings or info that says I shouldn’t?
thanks in advance for any responses.
In process of installing new engine and have drained power steering and AT fluids during the tear down. Owners manual states that Mercon SP should be used in the AT. I’ve read in a more than a few threads on here that Mercon LV is fine in place of SP.
Manual also advise that Mercon should be used for power steering as well as the transfer case. In the interest of only having one fluid on hand I’m inclined to use LV in the power steering and the transfer case.
Anyone have any strong feelings or info that says I shouldn’t?
thanks in advance for any responses.
Hotshot
Joined: Jan 2004
Posts: 19,768
Likes: 1,082
From: St Louis
Look up current recommendations at https://www.fcsdchemicalsandlubricants.com/ You can use either current (recommended) or original (okay) fluids in the other systems.
See Ford SSM 21114 regarding transmission fluid. This subject has been discussed MANY times over the last dozen or so years.
See Ford SSM 21114 regarding transmission fluid. This subject has been discussed MANY times over the last dozen or so years.
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