Joseph Posted March 28, 2008 Share Posted March 28, 2008 Hey all, I have a loud vibrating noise that comes from the back of my rover and as i replaced the diff about a year ago, i assume its coming from in there. The noise dissappears under load but reemerges as i coast. I think the pinion is not torqued properly and needs to be tightened. If i were to tighten the flange bolt, could i solve this? I dont know the right amount to torque it so i think i would try 1/4 turns till the noise dissappears (plus i dont own a torque wrench). Is this a bad idea? I would like to fix this without opening/removing the diff, but i suppose i could if necessary. Thanks, Joe Quote Link to comment Share on other sites More sharing options...
jcwcooper Posted March 28, 2008 Share Posted March 28, 2008 Does it use a nyloc nut or a castleated nut and split pin? also 3 or 4 bolt flange? Dave. Quote Link to comment Share on other sites More sharing options...
Young bobtail Rhys Posted March 28, 2008 Share Posted March 28, 2008 on the overun it could be the prop? Maybe dry on lose? Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 29, 2008 Share Posted March 29, 2008 Remove the prop (since you'd have to anyway), check the UJ's and sliding joint for play/sticking/general knackeredness, then check the pinion flange for play - you shouldn't be able to move it up, down, left, right, in or out. Oh and when you remove the prop, engage difflock or the handbrake will no longer be stopping anything from rolling away! Quote Link to comment Share on other sites More sharing options...
Joseph Posted March 31, 2008 Author Share Posted March 31, 2008 Its a 3 bolt flange but i dont know the difference between the nuts you mentioned, Dave. The flange doesnt seem to have any play while still bolted on, so ill remove the nut and look inside. Thanks, Joe Quote Link to comment Share on other sites More sharing options...
Joseph Posted March 31, 2008 Author Share Posted March 31, 2008 Also, to ammend my statement, it only SOUNDS like vibrating. The car itself does not shake. The soulnd can best be described as similar to spinning the big wheel on a game show where something is continually striking the wheel lightly, or similar to a fishing reel when the line is being quickly pulled out. Thought this might be relevant...? -Joe Quote Link to comment Share on other sites More sharing options...
stageonesimmo Posted April 3, 2008 Share Posted April 3, 2008 I thought I had this problem recently - I then found my drivers side rear brake disc mud shield was loose and it was the washer on the top bolt rattling - tighten up, no more noise - you might not be that lucky, but its worth a shot! Quote Link to comment Share on other sites More sharing options...
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