slight high pitch wine...........
#1
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slight high pitch wine...........
just did rear end swap from 3.23 to 3.73 and there is a little high pitch wine when you're coasting .You mash the gas and it dissapears or you let off and it's gone ,no loud noise or grinding anytime.It's a little speed sensitive when you're at 60-90 is when you hear it.I've been told we didn't seat the ring gear correctly with spacers.Any info?
#6
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Originally Posted by 1BAD86Z28
Backlash might be set too tight, what was your reading? should not be tighter than .008 and no looser than .010.
You also may want to use some gear paint and see how the pinion is contacting the ring gear. It may be too deep, or too shallow.
#7
Let the tooth pattern give you the final answer. Do not get hung up on a particular number for the backlash. It is only one part of your adjustment anyway. Depending on the gears set, brand and diff type I had rears this week set from .004 to .014 on the lash. Again the pattern is what really matters.
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#8
Originally Posted by DynoDR
Let the tooth pattern give you the final answer. Do not get hung up on a particular number for the backlash. It is only one part of your adjustment anyway. Depending on the gears set, brand and diff type I had rears this week set from .004 to .014 on the lash. Again the pattern is what really matters.
when measuring the carrier preload you need to add the ring-pinion into the equation...so you end up with something like this...pinion preload =25inlbs carrier preload=30 inlbs...observed reading at the pinion=32 inlbs...GET IT??? i hope so.The ring-pinion has a mechanical advantage over the carrier so for example an input of 7 inlbs can turn the carrier bearings preloaded at 30inlb.