virden Posted January 20, 2013 Share Posted January 20, 2013 Can the seal on the diff of an Ital axel be replaced with the axle in situ, or does the whole lot have to be disconnected/removed? Also, after how many miles should the oil that is left be replaced. Car is road use only Link to comment Share on other sites More sharing options...
elie boone Posted January 20, 2013 Share Posted January 20, 2013 Yes it can be done but it's not easy, the propshaft is what will limiting space, leave it in place because otherwise the oil from the gearbox will be pooring out and the diff oil is not a service item so can be there for a very long time. Link to comment Share on other sites More sharing options...
dalongbloke Posted January 20, 2013 Share Posted January 20, 2013 John at Redline confirmed to me that this can be done in situ... I must get on and do mine! When I removed my axle I found that the prop could be strapped up out of the way. As Ellie says, be prepared for gushing smelly diff oil. By the way, when I replaced the prop bolts I used allen headed fixings. I think (hope!) they will be a lot easier to undo. Space was too tight for me under there to get 2 spanners in place. Also, I didnt trust axle stands at both ends of the car. I find the highest most stable lift is from placing wheel ramps under lifted tyres. Do let me know how you get on... will be doing mine soon, together with sump repair (again!). Regards Andy Edited by - dalongbloke on 20 Jan 2013 19:44:12 Link to comment Share on other sites More sharing options...
virden Posted January 20, 2013 Author Share Posted January 20, 2013 Thanks Andy, I have taken note, though probably will not attempt it until March due not having a heated garage. Re jackingn the car up, it is stored with the wheels off. Axle stands at the front, supporting the chassis tubes at the junction with the crossmember, and a stack of 6" square wooden blocks under the chassis at the point where the A frame is bolted. Rock solid! Cheers Link to comment Share on other sites More sharing options...
Tezza7 Posted January 21, 2013 Share Posted January 21, 2013 Mine was replaced about 4 years ago when the diff unit was replaced by Chris at the 7 Workshop (highly recommended) but that's another story. Before I took the diff to him, I thought I would try and replace the seal myself but even with the axel out, I could not get the retaining nut undone. It is a high torque item and even with the rear shafts locked at the wheel end, the spring in shafts seems to prevent it from undoing. However, if you have a bar that you can bolt onto the pinion flange and a long bar for the nut, you may have better luck that I did. That's how Chris did it I believe. Link to comment Share on other sites More sharing options...
elie boone Posted January 21, 2013 Share Posted January 21, 2013 Tezza7, an impact wrench is what u need !! Link to comment Share on other sites More sharing options...
Revin Kevin Posted January 24, 2013 Share Posted January 24, 2013 Hi all, If you do it yourself make sure you put a smear of silicone sealant under the pinion nut washer otherwise oil can come up the spline of the pinion and weep out via the washer. PS much easier to do with the axle out. Cheers Chris Link to comment Share on other sites More sharing options...
elie boone Posted January 24, 2013 Share Posted January 24, 2013 And fill the small gap between the seal and diff housing with silicone sealant Link to comment Share on other sites More sharing options...
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