EGR COOLER INSPECTION

PROCEDURE


  1. INSPECT EGR COOLER ASSEMBLY


    1. A004QSZ

      When a vacuum of 33.3 kPa (250 mmHg, 9.83 in.Hg) is applied to the diaphragm chamber, check that the valve turns and air flows out.

      Text in Illustration
      A004NPW Vacuum

    2. Maintaining the above conditions, check that there are no leaks and the valve does not return.

    3. Check that the valve does not have heavy carbon deposits and is not stuck.

      If the result is not as specified, replace the EGR cooler assembly.