Cornish Rattler Posted July 26, 2016 Share Posted July 26, 2016 Hi guys As you probably no I am rebuilding the axles on a 1971 S11a rebuild and the engine is being swapped for a Def 200tdi engine using Def / Disco diffs and atm I have started with the rear axle and using my old ( good ) diff from my 1988 90, the problem I have is and I have just noticed this is the rear 2a axle doesn't have a filler / level plug on the pan only a drain plug underneath and the 90's diff doesn't have a filler / level plug either, if I had started with the front axle I wouldn't have a problem as the front axle has a filled / level plug in the pan so checking and topping up the axle wouldn't be a problem. So what I want to know is are there any early 3.54-1 diffs with a side filler / level plug out there if so I will use this diff for the front instead. Quote Link to comment Share on other sites More sharing options...
landroversforever Posted July 26, 2016 Share Posted July 26, 2016 I believe some early RRC doffs had the fillers. Why not just buy a replacement diff pan with the filler and weld it on? Quote Link to comment Share on other sites More sharing options...
Cornish Rattler Posted July 26, 2016 Author Share Posted July 26, 2016 I can't weld but i need another diff anyway as I only have one 3.54-1 diff atm Quote Link to comment Share on other sites More sharing options...
Cornish Rattler Posted July 27, 2016 Author Share Posted July 27, 2016 Ok just a thought as i have never stripped a diff before but is it possible to swap the internals from the Def diff into the 2a housing and how easy would it be to do Quote Link to comment Share on other sites More sharing options...
Pollywog Posted July 27, 2016 Share Posted July 27, 2016 Easier to drill and tap the diff case to fit a small plug. Or look for a series 3 axle case with a filler already in the pan. Quote Link to comment Share on other sites More sharing options...
Cornish Rattler Posted July 28, 2016 Author Share Posted July 28, 2016 Ok I will speak to Andy and decide what to do Quote Link to comment Share on other sites More sharing options...
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