Gear Box: Disassembly
Remove washer pump, if equipped. Remove pump drive gear by wedging off shaft using two screwdrivers. Clamp crank arm in vise and remove retaining nut.
CAUTION:
Arm must be secured in vise to avoid stripping wiper gears.
Remove crank arm, seal cap, retaining ring and endplay washers. Drill out gear box cover rivets and remove cover. Remove output gear and shaft assembly, then slide intermediate gear and pinion assembly off shaft. Remove terminal board and park switch by unsoldering motor leads from terminals and drilling out rivets holding terminal board and park switch ground strap to plate.