Volvo D13F Exhaust After-treatment System Service Bulletin

Below you will find brief information for Exhaust After-Treatment System D16 F. The Exhaust After-Treatment System (EATS) consists of many engine and exhaust components and sensors working together to lower emissions to meet the stringent 2007 emission requirements for the heavy truck industry. The following bulletin provides a brief description of each of the main components and how these components interact with each other to allow the EATS system to lower emissions and provide optimal fuel economy. This bulletin also provides a list of the various modes of operation that the emission system passes through during normal engine operation.

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Exhaust After-Treatment System D16 F Service Bulletin | Manualzz

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Key features

  • Diesel Particulate Filter (DPF)
  • Exhaust Gas Recirculation (EGR)
  • Variable Geometry Turbocharger (VGT)
  • Discharge Recirculation Valve (DRV)
  • Aftertreatment Fuel Injector (AFI)

Frequently asked questions

The EATS is designed to reduce emissions and improve fuel economy for the D13F engine. It works by trapping and burning off particulate matter, hydrocarbons, and carbon monoxide.

The DPF traps soot particles in a catalyzed ceramic monolith. It can be regenerated passively using the engine's heat or actively by injecting fuel into the exhaust stream.

The EGR system recirculates exhaust gases back into the engine to reduce combustion temperatures and lower NOx emissions.

The DRV recirculates boosted air back into the turbocharger compressor inlet to elevate exhaust temperatures during active regeneration.

The AFI injects diesel fuel into the exhaust stream to increase the temperature needed for active regeneration.
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