Other information:
Inspection
Recover the refrigerant.
Refer to: Air Conditioning (A/C) System Recovery, Evacuation and
Charging (412-00 Climate Control System - General Information, General
Procedures).
Disconnect the evaporator from the A/C system. Refer to the appropriate
removal and installation section in Group 412 for the procedure.
Use the correct adapters with the A/C Serv..
System Operation
Exhaust Gas Recirculation (EGR) Systems
The EGR system controls the NOX
emissions. Small amounts of exhaust gases are recirculated back into
the combustion chamber to mix with the air to fuel charge. The
combustion chamber temperature is reduced, lowering NOX emissions
Exhaust Gas Recirculation (EGR) System — Differential Pressure Feedback
The EGR system consists o..