So I thought I would share an interesting experiment. My kids 2005 F-150 has a (4.6L) 70/4RW Transmission(Think I got that wrong, but, should make sense to you ford guys). She got stranded late at night, because the transmission dipstick tube broke in half, and was laying in the engine compartment w…

Those fluids are similar but what fluid is it supposed to take?

So only a percentage of the “wrong” fluid was put into the trans… and from that you made the conclusion that using the proper fluid isn’t necessary. Not trying to be flippant just stating the facts as clearly as I see them. The trans still has mostly the correct fluid. I don’t think your conclusi…

[image] pleasedodgevan2: Those fluids are similar but what fluid is it supposed to take? [image] Aaron-76: This truck calls for Mercon V [image] Aaron-76: I followed her home expecting the worst I wouldn’t expect immediate trouble with fluid that is close to right. But at 10,00…

No, she was supposed to have a flush done ASAP, but she moved out for a while…then moved back in. I asked her if she had the tranny flushed, and she said no…as stated, It’s been 10,000 miles with that combo of fluid with no issues… at all. So my point was merely that I was surprised, and since many …

I don’t think it’s an issue as they are all compatible. I wonder how many cars get transmission services in which various types of fluids are used? Many or most of them more than likely. What I would be questioning is why a 60k miles truck is on the 3rd transmission already. I also wonder how much …

Agreed, This third one has been the longest lasting one. As far as my opinion on the transmission type is concerned. It’s based on two things… Fords upgrade mid year, and quite a few guys on the F-150 forum crying about this transmission. Truck is supposed to take Merc V.

Use of multiple transmission fluid types

Maintenance/Repairs

Aaron-76 June 28, 2020, 1:46pm 6

That is exactly what I was thinking. Thanks for your advice!

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Use of multiple transmission fluid types

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