Steve C Posted August 23, 2017 Report Share Posted August 23, 2017 Has anyone ever changed the output shaft oil seal in a J type overdrive in situ? Or is it a gearbox out job? All advice appreciated. Regards Steve Link to comment Share on other sites More sharing options...
68vitesse Posted August 23, 2017 Report Share Posted August 23, 2017 Lifted engine and gearbox as a complete unit to get access when I did one a few years ago. Recently had to change the gearbox in my Vitesse it was bad enough getting the replacement on the back of the engine with both out of the car. Left manifold carburettors alternator etc. on the engine just needed a new manifold to exhaust pipe gasket, but it comes down to what equipment you have access to. Regards Paul Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 23, 2017 Report Share Posted August 23, 2017 once the prop is unbolted and dropped down a bit you can release the tail mount lift it high enough to remove the nut and coupling should push off ok , oik the old seal out and tap in replacement, get ready to catch any oil and top up when finished this all depends on how much floor was cut back to fit the unit, you may need to extend the cut off prop tunnel a bit more if you do jack the box up watch the exhaust and fan/hoses etc. Pete Link to comment Share on other sites More sharing options...
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