tehweej Posted October 7, 2009 Share Posted October 7, 2009 on my 87 4wd, when the engine rpms hit about 2500-3000, the transmission makes a kind of rattle-y, ring-y, ping-y noise. but it goes away when i put it in 4wd hi/lo. it does it when i push the clutch in and rev. can't remember if it does it just in neutral, i will have to check. the transmission is full of oil, but i dont know how old it is. any ideas? thanks! Link to comment Share on other sites More sharing options...
GeneralDisorder Posted October 7, 2009 Share Posted October 7, 2009 You sure it's not an exhaust rattle? Like a loose heat sheild or something? GD Link to comment Share on other sites More sharing options...
tehweej Posted October 7, 2009 Author Share Posted October 7, 2009 i thought about that too, but the fact that it goes away the moment i put it in 4wd makes me think it isnt something loose. it has done it since i got it running last spring. i had a couple of CV boots on the front go, and when i replaced those, i didnt notice anything being loose, but i will double check next time i get a chance. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted October 7, 2009 Share Posted October 7, 2009 The exhaust is hard-bolted to the transmission. Putting it in 4WD could simply be reducing the vibration or masking a bad u-joint in the rear drive line. GD Link to comment Share on other sites More sharing options...
tehweej Posted October 8, 2009 Author Share Posted October 8, 2009 that makes sense i will give it a look this weekend hopefully. that would be awesome if it was just loose exhaust. thanks! Link to comment Share on other sites More sharing options...
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