ANALYSIS: SUBJECT VEHICLES USE AN AMC 6-CYLINDER ENGINE WHICH, FOR EARLIERMODEL YEARS, WAS WITHIN THE SCOPE OF EA84-015: ENGINE COMPARTMENT FIRES IN1981-83 AMC VEHICLES USING AMC 6-CYLINDER ENGINES.THIS EA WAS CLOSED INJUNE OF 1986.ALTHOUGH AM GENERAL IS THE FINAL STAGE MANUFACTURER, AN IRWAS ALSO FORWARDED TO AMC.THE POST OFFICE FLEET IS PRESENTLY EVALUATINGTHE VEHICLES UNDER A VARIETY OF TEST CONDITIONS, IN AN EFFORT TO SIMULATEAN ENGINE FIRE UNDER CONDITIONS WHICH ARE BOTH VERIFIABLE AND REPRODUCIBLE.SUMMARY OF INFORMATION FROM MANUFACTURER:ON MARCH 30, 1987, AM GENERALISSUED A SAFETY RECALL (87V-041) CONCERNING ALLEGED ENGINE COMPARTMENTFIRES IN THE SUBJECT FLEET.THE RECALL WILL INVOLVE MODIFICATIONS TO THEVACUUM SYSTEM IN AN EFFORT TO ELIMINATE FURTHER FIRE OCCURRENCES.STATUS:CLOSE THIS PRELIMINARY ANALYSIS.===