<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=iso-8859-1" = http-equiv=Content-Type> <META content="MSHTML 5.00.2919.6307" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hi John</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>very annoying that!! If it's an upright = it could be (as has happened to me once) a tiny bit of glue on the butt cushion = felt. Did you put new cushions on? The glue hardens and when the jack returns it = makes contact and clicks.This might be the drama.</FONT></DIV> <DIV><FONT face=Arial size=2>Or it could also be slightly loose = hammer heads - I've known that to also cause a click.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Hope this helps,</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Steve Martin</FONT></DIV> <DIV> </DIV> <DIV> </DIV></BODY></HTML>