Wiper Motor: Disassembly

1985 Chevrolet Step Van P30, 5.7 M, Automatic, 400/M40SECTION Disassembly

Disassemble gear box, remove through bolts, tap motor frame lightly and remove motor from mounting plate. Release brush spring tension and slide armature and end plate from motor frame. Pull end plate from armature. Remove end play adjusting washers and note arrangement for proper reassembly.

NOTE: A thrust plug is located between armature shaft and end plate.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.