B1700 clutch noise

pvk

New member
Aug 18, 2011
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New Hampshire
Wondering if anyone could shed some light on this for me. My HST b1700 clutch is chattering when I release the clutch pedal, but when I push the clutch pedal in the noise is gone. So I am wondering with 1000 hours on it what gives? Is the throwout bearing serviceable? I looked on the side of the transmission and there is a 1" plastic plug that seems to removeable, can I remove that and grease up the bearing to get rid of the noise?

Any and all help is appreciated! Thanks in advance all.