ANALYSIS UNDERTAKEN IN RESPONSE TO THE PETITION IDENTIFIED 26 COMPLAINTS ALLEGING TIMING CHAIN FAILURES IN MY 2000-2003 SATURN L-SERIES VEHICLE EQUIPPED WITH THE 2.2L L4 ENGINE.MOST COMPLAINTS OF TIMING CHAIN FAILURE REPORTEDLY RESULTED IN A SUDDEN LOSS OF ENGINE POWER AND STALLING.ODI ALSO NOTED THAT CERTAIN MY 2002-2003 SATURN VUE AND MY 2003 SATURN ION MODEL VEHICLES WITH THE 2.2L ENGINE VEHICLESCOVERED BY A TECHNICAL SERVICE BULLETIN (03-06-01-017) THAT ADDRESSED TIMING CHAIN DESIGN AND SERVICE PROCEDURE CHANGES, EXHIBITED NO COMPLAINTS OF TIMING CHAIN FAILURE.ODI WILL GRANT THE PETITION AND OPEN A PRELIMINARY EVALUATION TO ASSESS THE FREQUENCY, TREND, SCOPE AND SAFETY CONSEQUENCES ASSOCIATED WITH THE ALLEGED DEFECT IN THE SUBJECT VEHICLES.REFER TO PE06-006.