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  1. vishmuzty

    Strange clunk and window movement in both front LX470 power windows

    The slotted holes are for dimensional tolerance. The datum holes are round, and depending on the bolt assembly order the rest of the holes are slotted in the direction of tolerance stackup. Normally you or I would just install bolts fingertight during installation to allow part movement for...
  2. vishmuzty

    Strange clunk and window movement in both front LX470 power windows

    The glass in a window regulator has some "float" designed into it, and the system is engineered to balance the lifting point to the glass center-of-gravity & sliding resistance of the glass runs (rubber in glass frames). The fore-aft tilt of the glass when lifting indicates there's too much...
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