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Showing results for tags 'gearbox rebuild'.
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so have finally finished putting the box back together, but now it's all assembled and housings are back on, I have an issue where it's locked in 4th gear constantly and will only turn by hand in 4th or neutral, but the whole shaft turns in neutral, not just one end. It selects all gears fine but won't turn in any other gear. Before I put the housings back on I confirmed all gears select and shift as they should and all turn accordingly with the gear selected, but once the front housing is back on, it locks up. I stripped it back down to make sure hadn't made any error in reassembly and the syncros bearings etc all sitting as they should, and everything was fine but as soon as the front housing went back on, it locks up again. I haven't filled it with any fluid yet so I'm thinking maybe is there too much friction on the 4th syncro when it's dry? (although I did put a little grease on it on it when reassembling for the 2nd time, hasn't made any difference). This box was a 2nd-hander off gumtree so I never actually used it myself to know of any issue with it prior. At a standstill with it now so, ideas are welcome.