AJL Posted October 16, 2021 Share Posted October 16, 2021 Hi Guys haven't been on here in almost 15 years since I sold my 110! My son has recently bought a Wolf 90 which he's slowly tidying up. Today he drove it out of storage after letting it warm up and suddenly whilst driving slowly up a lane there was a loud "click" from the transmission and all drive was lost. The truck will select gears in high and low box without crunching etc but absolutely no drive. We're thinking transfer box or gearbox output shaft or maybe the clutch. Would anyone else have any ideas thanks in advance Quote Link to comment Share on other sites More sharing options...
miketomcat Posted October 16, 2021 Share Posted October 16, 2021 Will it drive in diff lock, are the props rotating. If yes to either of these it's diff, drive flange or halfshaft. If not pull the round cover off the transfer box here you'll be able to see if the shaft and or the input gear are spinning. If the gear is spinning the transfer box has broken. If the gear isn't but the shaft is the splines have gone on the gear or shaft (you can remove the gear to check if need be). If the shaft isn't spinning the gearbox or clutch is dead. Mike Quote Link to comment Share on other sites More sharing options...
steve b Posted October 16, 2021 Share Posted October 16, 2021 Have you tried it in diff-lock on the transfer box ? Any props moving when you try it as described above ? Steve Quote Link to comment Share on other sites More sharing options...
AJL Posted October 16, 2021 Author Share Posted October 16, 2021 Thanks for your prompt replies. The truck has no drive in high / low / diff lock engaged props are not turning at all Quote Link to comment Share on other sites More sharing options...
deep Posted October 16, 2021 Share Posted October 16, 2021 I had a clutch centre go on a Series 3 once - giving exactly the same symptoms - and it only made a quiet click when it let go too. Tricky to know if it's that or a broken input shaft. If the clutch, you MAY hear a small rattle with the pedal depressed? I'm trying to think what would be the easiest way to peer into the box but I'm having a brain fart and have to out shortly. It does look like an inspection is warranted. Quote Link to comment Share on other sites More sharing options...
miketomcat Posted October 16, 2021 Share Posted October 16, 2021 32 minutes ago, AJL said: Thanks for your prompt replies. The truck has no drive in high / low / diff lock engaged props are not turning at all Pull the t-box cover and see if the shaft is spinning. Mike 2 Quote Link to comment Share on other sites More sharing options...
cackshifter Posted October 17, 2021 Share Posted October 17, 2021 Good advice^^^^. I had a clutch fail exactly as you describe, hopefully that's 'all' it is. 1 Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted October 17, 2021 Share Posted October 17, 2021 Also possible the high low linkage has come adrift, and you are stuck in neutral. Other checks above still apply. 1 Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted October 17, 2021 Share Posted October 17, 2021 28 minutes ago, Bowie69 said: Also possible the high low linkage has come adrift, and you are stuck in neutral. Always check the cheap fixes first! 1 Quote Link to comment Share on other sites More sharing options...
AJL Posted October 17, 2021 Author Share Posted October 17, 2021 (edited) Thanks All for your input will update the thread once we diagnose Cheers James Edited October 17, 2021 by AJL Quote Link to comment Share on other sites More sharing options...
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