Losing Fluid

Losing Fluid

Joined: April 25th, 2006, 1:08 am

July 9th, 2012, 5:29 pm #1

I got a rebuilt 1959 MX to replace my 1965 Galaxie COM last year and noticed there was a drip of fluid hanging on the tailpiece when I park. But also I am noticing the loss of a lot of fluid, like a quart every 300-400 miles. It won't leak in the driveway, even in gear, but I know it is leaking, pretty bad. Just don't know where.

I called the builder and he said the only thing that would cause that was a vibration, like a bad U-joint, letting fluid past the seal. He did not mention driveshaft, which he put on with the tranny.

Now I do have vibration issues. At 60 there is usually a vibration every 3-4 seconds. I really don't like going over 70 but I figured that was unbalanced tires or old bushings. What do you think about this, and the explanation and/or a possible fix? Especially if it is something I can handle myself.

Puttster
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July 10th, 2012, 12:46 am #2

Wonder if the dipstick from the 65 COM (19.5") is too short for the 59 MX tube. Stick shows emptry, overfill with a quart, oil pushes back up and out. Anyone know correct length of MX dipstick?
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Joined: November 18th, 2004, 4:20 am

July 10th, 2012, 4:22 am #3

Full running in Park level is even with the pan / case connection.

Run your stick outside the tube and place a mark there.
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July 10th, 2012, 11:32 am #4

End of dipstick even with the top of the pan. Dipstick is 19.5" on the tube.

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Joined: November 18th, 2004, 4:20 am

July 10th, 2012, 2:09 pm #5

The mark is where full level on the stick must be. If I understand what you are saying the mark is at the end of the stick. If that's the case you are putting in way too much fluid.
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***no login***
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July 10th, 2012, 9:10 pm #6

Don't really know how to get the extra fluid out of there, I know if I drive it 300 miles it will come out on its own - again Am I ruining anything by overfilling or just making a mess?
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Joined: April 25th, 2006, 1:08 am

July 10th, 2012, 9:50 pm #7

I guess I could trim 1 /2" off the tube and kep using the same dipstick. Question: on a 1959 MX can you just unscrew the dipstick tube from the outside or do you have to drop the pan? Thanks, puttster
Last edited by puttster on July 10th, 2012, 9:51 pm, edited 1 time in total.
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Joined: November 18th, 2004, 4:20 am

July 12th, 2012, 12:16 pm #8

Crack it loose and let some dribble out.
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Tom
Tom

July 12th, 2012, 10:47 pm #9

Pulled the whole tube and trimmed 1 1/4" off the top. That put the "Full" mark at the top of the case. Fluid was a dark red, I strained it and reused it, less one or two quarts. Thanks for your help.
puttster
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