Topic: C4 Oil Pan

[sparky65]

So I just got the trans back from the rebuild shop.  Unfortunitly it didnt come nearly as clean as i hoped.  I later learned i should have aske what type of cleaning solution they were going to use.  They aparently put it in a big dishwasher machine with a degreasing solution so there was no caustic cleaners involed.  The upshot of all this is that the the paint that was there is still there.  Some how i thought the oil pan should be bare steel but i found quite a few traces of black paint.  Any idea if this could be correct?

Now i have to go study the case cleaning post and figure out which cleaners i want to try.     I was really hoping it would be cleaner.

[CharlesTurner]

The pans were typically natural, but not something I have spent a considerable amount of time studying!

[gtamustang]

Working as a transmission specialist in the late 70s-early 80s, I never found painted parts on any of the Ford C-3, C4, FMX, or C-6 transmissions. (1,000s of Fords from the late 50s to near new 79s).

You pan was bare stamped steel from the factory. Anything else was added through a previous owner!

Regards,
Pete Morgan

[macdude67]

and any type of caustic soda should not be used on aluminum parts. sodium hydroxide is highly reactive with aluminum and will corrode aluminum almost instantly. this represents a problem to any part of the case that has a smooth bore where a seal rides such as the servos.

[sparky65]

You pan was bare stamped steel from the factory. Anything else was added through a previous owner!

Regards,
Pete Morgan

Thanks, that's kind of what i thought.  Now the question is was the pan replaced or was it just painted.  Is there any identifying marks i should be looking for to confirm it is original?

[Sunlitgold68]

"Working as a transmission specialist in the late 70s-early 80s, I never found painted parts on any of the Ford C-3, C4, FMX, or C-6 transmissions. (1,000s of Fords from the late 50s to near new 79s)"

Looking forward to a perfectly rebuilt and flawless transmission! 

[NEFaurora]

Not to get off topic, but I've had issues getting the right '65-'66 C4 tranny pan gaskets.   Everytime I order one from no matter wherever, They send me the later '67 and later C4 tranny pan gaskets.  Does anyone know where I can can get the correct gaskets?  Even NPD sends me the wrong ones.  The correct gasket should be completely square, Not Square with a "bump" in the side.. which is what I keep getting sent to me.

Anyone have a source for the right gaskets?

If someone could post pics of the early C4 gasket and the later C4 gasket, I would appreciate it.  I don't have any pics handy, I'd have to dig for them.

Thanks,


Tony K.