Badger90 Posted October 8, 2011 Share Posted October 8, 2011 evening all if you havnt allready gatherd that my mother red 90 has broken again.. nothing to with the engine this time... makes a change.. been good since i changed it.. the gearbox has lost drive.. all gear. clutch feels fine.. props good, theres a slight grinding when in gear.. im convinced that the bearing have failed on the input shaft in the gearbox.. i just want a second opinion.. i think if the bearings fail on the input shaft the hilical gears will jump out causing no drive on the leyshaft? correct me if i am wrong? cheers sam P.S its a defender R380 box Quote Link to comment Share on other sites More sharing options...
Boro Posted October 8, 2011 Share Posted October 8, 2011 What happens if you lock the diff do you then have drive? Quote Link to comment Share on other sites More sharing options...
farmerboy_y2k Posted October 8, 2011 Share Posted October 8, 2011 spines on the output shaft? Quote Link to comment Share on other sites More sharing options...
CwazyWabbit Posted October 8, 2011 Share Posted October 8, 2011 spines on the output shaft? These are easy to check by just removing the PTO cover plate on the transfer box, as they are a common failure point and dead easy to check this would be my first port of call. Quote Link to comment Share on other sites More sharing options...
western Posted October 8, 2011 Share Posted October 8, 2011 layshaft only has 5th & reverse on it. Quote Link to comment Share on other sites More sharing options...
mickeyw Posted October 9, 2011 Share Posted October 9, 2011 It would take something more catastrophic than bearing failure for gears to move enough to be out of mesh and lose drive. I'd be looking at the transfer input gear as Mr Wabbit has suggested. Quote Link to comment Share on other sites More sharing options...
V8 Freak Posted October 9, 2011 Share Posted October 9, 2011 Check the splines then start to wonder if your clutch plate has exploded... Neil Quote Link to comment Share on other sites More sharing options...
Badger90 Posted October 9, 2011 Author Share Posted October 9, 2011 boro: nothing happens in diff lock.. tyred all gears and all ranges.. farmerboy: i hav wondered if its splines in the shaft. cwazywrbbit: i didnt think of the bearings on the input shaft in the transfer box.. if it is that then there nice and easy to change arnt they lol. western: thats true.. did forget about that.. my land rover skills are getting a little rusty now i havnt got my own to fix everyday. mickeyw: yeah i agree with you on that.. i thought that if the bearing fail on the gearbox input shaft.. because if you take the gearbox casing off you then can remove the input shaft.. that is with ease thought lol neil: i also did wonder if the clutch of gone.. but the clutch at the peddle feel fine.. so yeah like they said.. best to check the transfer box inout shaft before going guns blazing striping the gearbox out lol cheers guys for the help.. most of you rememberd what i forgot lol Quote Link to comment Share on other sites More sharing options...
Badger90 Posted October 11, 2011 Author Share Posted October 11, 2011 removed the transferbox this morning and the splines on the input gear and the main shaft slpines are no longer lol so its new gearbox and input gear jobby.. cheers sam Quote Link to comment Share on other sites More sharing options...
CwazyWabbit Posted October 11, 2011 Share Posted October 11, 2011 You can to save a few quid replace just the input gear with a cross drilled one as they have longer splines than the non drilled one (at least mine did) so will work on the un-buggered part of the R380 output shaft. Obviously it won't last as long as replacing the gearbox but mine has been running like it for about 8000 miles now with no noticeable increase in transmission slack and others have run them far longer. Anyway just a thought if you don't have time and money to do the gearbox swap at the moment. This is what I am running on with no problems .... yet....[rapidly searching for some wood to touch] Quote Link to comment Share on other sites More sharing options...
carlosbeldia Posted October 11, 2011 Share Posted October 11, 2011 How much cost a R380 refurbished? not giving mine (too costly sending it from Colombia). Quote Link to comment Share on other sites More sharing options...
CwazyWabbit Posted October 11, 2011 Share Posted October 11, 2011 Ashcrofts want £500 plus a core charge of £350 if you don't have one to trade in. Quote Link to comment Share on other sites More sharing options...
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