hurbie Posted February 22, 2023 Share Posted February 22, 2023 hello all , just a short question , is it possible to lift the main casing from a lt77 to inspect the synchro rings . i don't want to rebuild the box , but want to know if the syncho's aren't worn down . the box i got from a good friend , it used to be in his 110 before a major rebuild with a 300tdi and R380 . so going by his expierience the box worked ok before the rebuild . Quote Link to comment Share on other sites More sharing options...
Junglie Posted February 22, 2023 Share Posted February 22, 2023 Pretty sure the only way to check the synchro rings without stripping the box is to use it and see iof it shifts cleanly... But I may be wrong (and if so someone will come and tell me shortly) Quote Link to comment Share on other sites More sharing options...
Snagger Posted February 23, 2023 Share Posted February 23, 2023 The second gear synchros always wear. It seems almost unavoidable. I don’t know if a DIY replacement of them is possible - a full recondition of the box needs quite a few special tools, but someone with a lot more knowledge of the LT77 and R380 than I have might know if that single job can be done with basic tools. Quote Link to comment Share on other sites More sharing options...
muddy Posted February 23, 2023 Share Posted February 23, 2023 Ovehaul can be done with fairly basic tools but you will need a puller to remover the collar on the output shaft and some long bits of tube for putting seals in, in all honesty its probably quicker to just fit it and try it, plus if you at the stage where you can check the synchros you may aswell just fit new anyway. Quote Link to comment Share on other sites More sharing options...
hurbie Posted February 23, 2023 Author Share Posted February 23, 2023 main concern not to completly opening the box is the use of special pullers to do so . i'll see if i can just get the casing off to have a look . i don't look forward at fitting a gearbox just to replace it after the first roadtest .... Quote Link to comment Share on other sites More sharing options...
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