Oil change system

Claim 1

AN EVACUATION SYSTEM FOR AN ENGINE CRANKCASE HAVING A DIP STICK GUIDE TUBE IN DOWNWARD COMMUNICATION THEREWITH COMPRISING AN OPEN-END TUBULAR MEMBER OF A FLEXIBLE NON-CONDUCTIVE MATERIAL ADAPTED TO BE INSERTED IN THE DIP STICK GUIDE TUBE, AN ELONGATE ELECTRICALLY CONDUCTIVE PROBE SECURED WITHIN SAID TUBULAR MEMBER TO EXTEND AXIALLY THEREOF WITH ONE END TIP PORTION OF SAID PROBE EXTENDING BEYOND THE OPEN END OF SAID TUBULAR MEMBER, SAID PROBE HAVING SUFFICIENT ELASTIC RESTORING FORCE TO OVERCOME FLEXURAL DEFORMATION OF SAID TUBULAR MEMBER, A SOURCE OF ELECTRIC CURRENT, SAID PROBE BEING CONNECTED TO SAID SOURCE, AN ELECTRICALLY ACTUATED SIGNAL DEVICE CONNECTED TO SAID SOURCE AND ADAPTED TO BE CONNECTED TO THE CRANKCASE, A FLUID PUMP IN COMMUNICATION WITH SAID TUBULAR MEMBER, ELECTRICALLY ACTUATED PUMP DRIVING MEANS, CONDUCTOR MEANS CONNECTING SAID PUMP DRIVING MEANS ACROSS SAID SOURCE, AND SELECTIVELY OPERATED ON-OFF SWITCH MEANS INTERPOSED IN SAID CONDUCTOR MEANS.