Bellato Donating Members 2,713 Member For: 14y 4m 1d Posted 19/04/13 01:01 AM Share Posted 19/04/13 01:01 AM Hey guys didn't know where to post because could be a suspension or diff thingSince changing my link pins in the rear the other day I know have this weird grinding sound. It's jsut noticeable at idle and is a fair bit louder at 750rpm but then goes away after that. I thought it might be diff related but just a coincidence it only came about after changing the link pinsThe other thing is it goes away once oil temp gets up to about 140f, again making me think its diff because the oil is getting up to temp.Car's going in for a wheel alignment in the morning so gonna get the guys to get it up on the hoist and check it out but yea any clues? Link pins are going to be re-tightened because they could have come a bit loose Cheers Link to comment Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 6m 24d Gender: Male Posted 19/04/13 03:34 AM Share Posted 19/04/13 03:34 AM At idle? Is the car moving when this happens? Link to comment Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 4m 1d Posted 19/04/13 04:45 AM Author Share Posted 19/04/13 04:45 AM Yea at idle, both stationary and moving. You can make it happen stalling it up to 750rpm. Doesn't happen in neutral though.I wasn't able to tighten the link pins with load on suspension as I don't have a hoist and car is too low, getting the wheel shop to tighten them in the morning. I suppose we can check whether its the diff or not aswell while its up Link to comment Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 6m 24d Gender: Male Posted 19/04/13 09:28 AM Share Posted 19/04/13 09:28 AM Dude... How can the diff make a grinding sound if the cars not moving Link to comment Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 4m 1d Posted 19/04/13 09:35 AM Author Share Posted 19/04/13 09:35 AM I just figured that it was trying to turn the gears in the diff like stalling it up? I'm no mechanic just thought it was weird that it only happens when cold n when in drive. I guess if drive changes the revs from neutral there could be a different amount of vibration making the link pins vibrate? Link to comment Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 6m 24d Gender: Male Posted 19/04/13 10:10 AM Share Posted 19/04/13 10:10 AM Nah u cray.. Take a video post it up Link to comment Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 6m 24d Gender: Male Posted 19/04/13 10:11 AM Share Posted 19/04/13 10:11 AM Unless its a clinking type noise like "tink tink tink tink" then your centre tailshaft spline will need to be loctited and the nut torqued up Link to comment Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 4m 1d Posted 20/04/13 11:33 PM Author Share Posted 20/04/13 11:33 PM Tried getting a video but you can't really hear it in the clip. Suspension place said the link pins were fine!Might try use my camera instead of iphone and see if I can get better audio Link to comment Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 4m 1d Posted 22/04/13 12:08 PM Author Share Posted 22/04/13 12:08 PM http://s1073.photobucket.com/user/Bellato5/media/IMG_1160_zps584403ef.mp4.htmlDunno if that link worked, just used my phone to record. Hard to make it out at all in the video.Suspension place said link pins were fine but I don't think I've installed them right and they're rattling. Just weird that it's only when the car is dead cold Link to comment Share on other sites More sharing options...
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