The Collaborative International Dictionary of English v.0.48:

Overhaul \O`ver*haul"\, v. t. [imp. & p. p. Overhauled; p. pr.
   & vb. n. Overhauling.]
   1. To haul or drag over; hence, to turn over for examination;
      to inspect; to examine thoroughly with a view to
      corrections or repairs.
      [1913 Webster]

   2. (Naut.) To gain upon in a chase; to overtake.
      [1913 Webster]

   3. To repair thoroughly; to make repairs on; -- usually
      implying major repairs and perhaps modifying improvements.
      [PJC]

   To overhaul a tackle, to pull on the leading parts so as to
      separate the blocks.

   To overhaul running rigging, to keep it clear, and see that
      no hitch occurs.
      [1913 Webster] Overhaul