jocklow@aol.com Posted May 6, 2016 Report Share Posted May 6, 2016 Short of stripping it, are there any checks I can do on my diff ? In 4th if I feather the throttle between the engine driving and coasting, I can feel a vibration in the gear stick and a metallic noise. It's not loud but I feel something is different from last year. As it's a straight drive in 4th (?) I assume it's not likely to be in the gearbox, so the diff is my next best guess. So any checks I can make? Quote Link to post Share on other sites
Graham Harris Posted May 6, 2016 Report Share Posted May 6, 2016 That sounds like your universal joints, jack up the rear and give the tailshaft a good wriggle . Graham Quote Link to post Share on other sites
boxofbits Posted May 6, 2016 Report Share Posted May 6, 2016 (edited) I would 2nd Graham on that. Get a screwdriver in both props shaft UJ's or grip each end of UJ by hand and see if there is any play in the joints. New UJ sets are available from Moss/ TR Shop etc. Regards Kevin Edited May 6, 2016 by boxofbits Quote Link to post Share on other sites
jocklow@aol.com Posted May 9, 2016 Author Report Share Posted May 9, 2016 Thanks for suggestion. I seemed to have forgotten the bit between gearbox and diff. Anyway, definitely some play in the from UJ (i'd replaced the rear one some years ago). So I'll fix that. There is of course also free movement in the diff. Any idea how much is to be expected? thanks jock Quote Link to post Share on other sites
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