Ok, so after having pretty good success and few nightmares on the crankcase oil change and replacing the air filter, I decided to change the tranny lube.
I found that the drain plug magnets were coated with thick sludge and metal filings that included parts of the dipstick.
I was a bit surprised to find only about 2 gallons of lube in the tranny. It was the expected "coffee-with-lots-of-cream" color and was mostly water.
After filling with trans/hydraulic fluid, I fired up and let it run a while.
I killed the engine to check for leaks and found trans fluid dripping from a drain (with no plug) to the rear and to the right of the trans drain plug. I found a matching drain hole (also with no drain plug) just to the left of this one. The right one was dripping new fluid, the left one not.
I grabbed a plug from one of the finals and crawled under to put in in the dripping right drain. I then found a hole, that does not appear to be a drain, on the very back of the dozer, that oozed black goo for a while and then started to drip new fluid. This hole does not appear to have threads, so a drain plug does not seem to be possible.
A picture of the back of the dozer with the dripping lube is below.
I found references to the sump in my manual, but nothing that gives me much to go on. Near as I can tell the sump feeds lube to the bevel gear compartment.
1. Is there any reason why the previous owner would have pulled the 2 drain plugs? Why was only the right drain dripping? Are those drains connected?
2. Any idea why the hole in the back of the dozer exists and is dripping new fluid?
Thanks for any input here!!!
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