A B727-200 IN THE FIRST FLT AFTER #2 ENG MAINT DIVERTED DUE TO LOSS OF #2 ENG OIL PRESSURE AND QUANTITY.

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I WAS ASSIGNED TO ACFT XX #2 ENG WITH XYZ TO DO A BAG AND BREATHER CHK (DUE TO OIL LOSS HIGH OIL CONSUMPTION). WE FOLLOWED THE MAINT MANUAL; DISCONNECTED THE LINES FOR THE BAG AND BREATHER; TOOK THE ACFT FOR THE PWR RUN TO THE BLAST FENCE (RUN-UP AREA). WE REQUESTED A THIRD MAN TO ASSIST US AT THE BLAST FENCE IN LOCATING ANY OTHER LEAKAGE. YYY NOTICED OIL IN THE STARTER SEAL (BAG). WE SHUT DOWN; TOOK THE ACFT BACK TO THE GATE. YYY DETERMINED IT WAS A STARTER SEAL; XYZ ASSISTED IN THE REMOVAL OF THE STARTER. WE REPLACED THE STARTER SEAL WHICH WAS TORN INSIDE THE STARTER; RAN THE ENG AND LOOKED FOR LEAKS PER THE MAINT MANUAL; NONE WERE FOUND. WHEN WE RETURNED TO WORK FOLLOWING NIGHT WE WERE INFORMED OF THE DIVERSION TO ORLANDO INSTEAD OF THE SCHEDULED ATLANTA STOP. THE CAUSE; LEAKAGE AT THE SENSOR LINE AT LEAST 6 INCHES AWAY FROM THE AREA WE WORKED. THAT LINE WAS NOT DISTURBED BY US. NO REASON TO; NOT EVEN ACCIDENTALLY. WE FELT THAT WAS ALSO AN ASSOCIATED PROB; THAT'S WHY IT WAS ASSIGNED A BAG AND BREATHER; IT ALREADY HAD AN OIL LEAK. THE BAG AND BREATHER WAS ASSIGNED BECAUSE THE PRIOR MECHS THAT LOOKED AT THE ENG COULD NOT DETERMINE THAT THE LEAKS WERE COMING FROM THAT SENSOR LINE WHEN RAN AT HIGH PWR FOR A SUBSTANTIAL AMOUNT OF TIME WOULD LEAK; THE HIGH TEMPS WOULD VACILLATE; WHEN THE ACFT WAS FORCED TO LAND IN ORLANDO SURE IT WAS EASIER FOR THE WAITING MECH TO SEE IMMEDIATELY WHERE IT MAY HAVE BEEN LEAKING.