Rivets...I took a real hard look at LH side of mower. It does appear wheel axle bracket is slightly "toed - in". If I force wheel straight grinding noise is greatly reduced. Have you had any luck in hard swimming bracket to correct toe-in ? Would you consider use of steel washer shim...
Hey Rivets...
Any idea what year Toro stopped using some form of spring loaded key clutch mechanism on their rear wheel Personal Pace lawnmowers ?
My Model 20334 (2016 vintage) has no such key. Drive pinions have squared off bores that lok it to transmission shaft having milled flats on each...
Rivets...I did try moving transmission shaft in all directions both sides...all was good. When I change out pinions I'm thinking of stacking a few extra thrust washers on each side of mower between pinion and adjustment bracket to take out some of the axial float of transmission shift in attempt...
ok...finally snapped a few pics showing LH pinion & wheel gear. Considering design of propel system and fact gears run without lubrication I don't think teeth look all that bad after 3 seasons of taking a pounding. Definitely visible wear at pitching. Shaft bearing/bushing intact...not wallowed...
Rivets...Thanks for your insight.
It was way too hot today to pull wrenches in the garage today but I did attempt to isolate sound by pulling and pushing on mower.
Sound is definitely coming from lefthand wheel assembly...sound like centerlines that shaft mounted pinion and gear mounted to...
My Toro Model 20334, s/n 316027993 mower is going on it's 3rd season since buying new.
Recently a strange noise has developed when engaging/disengaging drive when mowing. Self propel is operation and mower can be pulled backwards when drive is disengaged.
Noise is intermittent...sometimes...