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      03-06-2013, 03:46 PM   #1
robc1976
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Drives: E90 335i
Join Date: Mar 2012
Location: Illinois

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Slight clunk with Wavtrac in reverse only

Had a shop install the wavetrac into the pumpkin (I brought pumpkin into them), I installed everything else. When shifting, going WOT no noise at all but I hear a clunk (Not very loud) when going from park to reverse. If the back-lash was not set correctly would this cause this issue?..when car is in nuetral there is a bit of play in the drive shaft before it engages and I was a bit concerned. The only reason I had a shop install the wavetrac was to set the back-lash LOL!! The Insert nut is tighten, all h;laf-shaft bolts are tight...EVERYTHING is torqued to spec.

How much play should be in the driveshaft before it engages (half shafts move)?? Is there a way to test this?

There looks to be maybe 3-4MM of play give or take a 1MM LOL!
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