SERVICING #113 CAR. CLIMBED UP ON TOP, LIFTED ENGINE COVER LID TO CHECK TRANSMISSION FLUID. AS HE DID THIS, HE STRAINED THE LEFT SIDE OF GROIN AREA. COMPLAINING OF PAIN. WENT TO ER AT HOSPITAL & WAS DIAGNOSED W/LEFT SIDE INGUINAL HERNIA. HERNIA TO BE REPAIRED ON 11-14-00.