M1009 has been running great for the last 10,000 miles. Yesterday I put it in reverse and there was a heavy klunk, as I backed 10 feet to get out of the driveway there was a clanking sound, I put it in drive and the noise went away but at cruising idel there is a bad vibration through out the entire truck. When i parked I found it is leaking what appears to be tranny fluid coming for where the tranny and engine come together at the top(By filler tube?). Gets better, it use to drive straight as an arrow but now pulls to the right. Where and what do I start to look at? At 65 MPH it also makes a strange noise(can't describe) not a metalic sound but humm sound now. anyone else have these problems?