edwardatherton Posted April 9, 2006 Share Posted April 9, 2006 Right, last weekend I swapped the rear axle from the S1 type to a 2A SWB axle. Everything was cleaned and rebuilt, and I swapped the 4.3:1 diff from the old axle into the new one and bolted it all up. First day was fine, but over the last few days the whining noise has got so loud that you couldn't even hear the engine on the way to Blackpool Friday night! I took the rear prop off and it drove back home perfectly quietly. Symptoms... VERY LOUD whining under load (definitely the diff, not gearbox, hubs etc.) Hot front of diff (nice for warming your hands while removing prop in Blackpool!) Loads of play at the pinion. What have I done that could cause this...? I took the front cover plate off and changed the pinion oil seal while swapping the axle as well. I have been fiddling just now, and took out four shims from behind the front diff roller bearing. This removed all the play at the pinion but on a test drive it is still damn loud! Does anyone have any idea what I might have done/what has happened to my diff??? Quote Link to comment Share on other sites More sharing options...
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