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Message: <blockquote data-quote="MtBaldyBobcat" data-source="post: 50916" data-attributes="member: 6880"><p>Update: the bubbles had pretty much dissipated, and still the light, so I took further action. I pulled the pressure sending unit and discovered that the switch was normally-closed (should be normally-open, I believe). @%$!!#%^*!! Bobcat helpfully sold the wrong sensor (said it had been replaced by a different model). I still had the old one on which the connection tab had broken off, so soldered a new connection. While I was at it, I plumbed in a "T" and ran a pressure gauge to the cab. I fired it up and no transmission light, but still squealing when drive it. The charge pressure was mostly very low (15-20 lbs), though it would rise to 55 at times while lifting/dropping bucket, and sometimes it would drop to the bottom of the gauge at 10 psi. On lifting, I'd see the trans light flicker, and after running it for 15 minutes or so, it was on more often (at least it works!). I'm surprised it wasn't on more often w/ the low pressure (though I saw it on more than once during a 50 psi spike). From what I can tell from an earlier thread on this forum /www.skidsteerforum.com/DesktopDefault.aspx?tabid=54&frmView=ShowPost&PostID=14504>, it looks like my next step will be to replace the bronze 40-micron filter in the port block. When I tore down the system, I cleaned it w/ gas and compressed air, but the previous owner ran it out of oil (thus the rebuild), so maybe some fine metal particles got in there that I couldn't clean out. Hopefully my next and last post to this thread after I replace the filter will be that it's got 100 psi charge and flys up hills without squealing.</p></blockquote><p></p>

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