Self Study Program 920273 – The Audi 2.5L TFSI Engine EA855 EVO Series

VAG SSP 920273 – The Audi 2.5l TFSI Engine EA855 EVO Series: A Fourth-Generation Engine with Lightweight Design and Advanced Technology. Self Study Program 920273 covers the Audi 2.5l TFSI Engine EA855 EVO Series, a fourth-generation engine with lightweight design and advanced technology. The Audi 2.5l TFSI engine has been a staple of the Audi product range since 1977, achieving cult status for its distinctive sound and emotional driving experience. The new 2.5 liter R5 TFSI engine of the EA855 EVO series replaces the previous 2.5 liter R5 TFSI engine and makes its North American debut in the Audi TT RS.

The self-study program covers the design and function of the new engine, highlighting the differences between the new engine and its predecessor, the structural design measures used to achieve lightweight design, and the operation of the oil supply and engine cooling systems. The program also covers the special features of the air supply system, the new injection process, and the engine management system.

Self Study Program 920273 provides a detailed look at the advanced technology and design elements of the Audi 2.5l TFSI Engine EA855 EVO Series, making it a valuable resource for technicians and enthusiasts interested in understanding the performance and capabilities of this fourth-generation engine. The program covers the engine’s lightweight design, advanced injection process, and engine management system, providing a comprehensive overview of the engine’s operation and performance.

With its lightweight design and advanced technology, the Audi 2.5l TFSI Engine EA855 EVO Series offers a powerful and efficient driving experience. Its use of advanced technology and lightweight design ensures a reliable and efficient engine, making it a top choice for any driver seeking high performance and advanced technology in a car engine.


  • Introduction
    • Engine description and special features
    • Specifications
  • Engine mechanicals
    • Cylinder block
    • Timing case (cover for timing chains)
    • Oil pan top and bottom sections
    • Crankshaft drive
    • Pistons and connecting rods
    • Cylinder head
    • Audi valvelift system (AVS)
    • Timing assembly
    • Accessory belt drive
    • Positive crankcase ventilation
  • Oil supply
    • Overview
    • Oil pump
    • Oil filter housing / oil cooler
    • Oil flow
  • Cooling system
    • Overview
    • Innovative Thermal Management (ITM)
    • Sensors in the coolant circulation system
    • Actuators in the coolant circuit
  • Air supply and turbocharging
    • Overview
    • Intake manifold
    • Turbocharging
  • Exhaust system
    • Overview
    • Catalytic converter module
    • Switchable exhaust valves
  • Fuel system
    • Overview
    • Fuel injectors
    • Intermediate Shaft Speed Sensor G265
    • Combustion process
    • Operating modes
  • Engine management
    • System overview
  • Inspection and maintenance
    • Service information and operations
    • Special tools and workshop equipment
  • Appendix
    • Glossary
    • Self-Study programs
  • Knowledge assessment

The eSelf-Study Program (eSSP) teaches a basic understanding of the design and mode of operation of new models, new automotive components or new technologies.

It is not a repair manual! Figures are given for explanatory purposes only and refer to the data valid at the time of preparation of the SSP.
For further information about maintenance and repair work, always refer to the current technical literature.

Language: English
Format: PDF
Pages: 61

Self Study Program 920273 – The Audi 2.5l TFSI Engine EA855 EVO Series