L2550 Front Wheel Seal leak

Have you ever removed the fill plug to see if it's building up pressure? Sometimes that's the cause of a small leak and a vent kit would solve the problem.

If it's got UDT fluid in the axle sometimes changing it over to 75w90 gear oil will stop a small leak.

Of course the seal may be bad and none of the above will apply but the first 2 are cheaper and easier to try. Not really sure how bad it is to change the seal out. I've never had to do one yet.

I have a 1991 L2250DL also, and if you have my kind of luck, you will be pulling the entire front assembly apart and replacing all the bearings and seals. The best way to check the bearings is to lower your bucket down and raise the front end off the ground. Lock the shift in natural, shut it off, and check the play in your tires. Not so much left to right, but up and down. Grab the bottom of the wheel and pull up while pushing in at the top. if you have more the very little play, it's time to replace the bearing. And if you're going to be replacing the front axel bearing, you might as well go ahead and do the front axle case and differential gear shaft. Also, if one side is bad, both sides are bad.

It's going to cost you about $350.00 in parts to do it yourself. If you want a parts list of what you need shoot me an PM and I send you mine.

BTW, that picture of the leak looks just like mine did before the wheel froze up.

MBA Farm Boss said:

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Ok, dumb question, but how do I tell if it's building pressure?

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Like what Wolfman said but I'll add don't stand over the plug you are removing. When mine was leaking before I put the vent I pulled one of my plugs and it blew fluid about 10' high. Maybe not quite that bad but lets just say I had to wash me and the tractor because everything was covered with oil.