K46 leaking oil from vent cap

8516 Views 8 Replies 6 Participants Last post by sproulman, Aug 10, 2009

albertj03

Discussion Starter · Aug 7, 2009

Today I was checking a few things out on my X300 (as you may have seen in a post about my tractor going slower than it should) and I noticed that it seems to be leaking oil from the vent cap on top of the k46 transaxle. I washed the tractor last Saturday and know for sure it wasn't there then because I would have noticed it. The next day I did get stuck while pulling a cart of wood up a little incline that happened to be all mud under the leaves. I tried a couple times to make it up the incline by backing up and going forward again with no success. I wouldn't say I was beating on it by anymeans. I finally unhooked the cart and was able to drive out and go get a neighbors 4-wheeler to get the cart out.

I put the tractor away shortly after and don't recall looking it over so didn't notice anything wrong or a leak. This is the only thing I can think of that may have been the cause of this. I wiped it with my finger and nothing came off. It has 230 hours on it and to my knowledge the oil in the k46 has never been changed. What do you guys think after looking at the picture? Definite leak? could the vent cap have a bad seal or something? I guess it's time to change the oil in the unservicable transaxle.

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thebanjoman

· #5 · Aug 8, 2009

albertj03 said:
That makes sense....:fing20:

I think I will change the oil without pulling the tranny out. I'll need to look for a pump to get the oil out.

By the time you look for a pump you can have the 10 or so bolts and clips off and drop the transaxle and dump the oil. Its easier than you think to get it out.

Then you can be assured you get it all out and can clean the housing and put in fresh synthetic.

I just recently did this on my L130 and I'm very glad I pulled it too. I had lots of mud from the previous owner caked into the fins that was holding in the heat. I never would have seen this mud and been able to clean it out if I just pumped the oil out.

I put in Mobil1 10w30 synthetic and she is very happy. I just mow and pull a small trailer. I had 75 hours on mine when I changed it.

Don't know how accurate the info is but there was a recommendation posted as coming from Tuff Torq to change it at 50 hours and every 200 after that. An afternoon and a few bucks for new fluids was worth it to me.

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