Exhaust Gas RECIRCULATION Overview

Part 1

Fig 1: Exhaust Gas Recirculation Overview

Courtesy of AUDI OF AMERICA, LLC

Exhaust Gas Recirculation Pipe
Washer
- Replace
Clamp
- 9 Nm
- Installation position: as illustrated
Coolant Hose
Coolant Thermostat for the Exhaust Gas Recirculation with Connection
Retaining Clip
O-ring
- Replace
O-ring
- Replace
Bolt
- 9 Nm
Exhaust Gas Recirculation (EGR) Motor -V338-
- With EGR potentiometer -G212-
- Removing and installing, refer to EGR MOTOR
Bolt
- 9 Nm
Vacuum Diaphragm for Exhaust Gas Recirculation Change-Over
Bolt
- 9 Nm
Coolant hoses
EGR Temperature Sensor -G98-
- 45 Nm
- Removing and installing, refer to EGR TEMPERATURE SENSOR
- Coat with hot bolt paste.
Bolt
- 9 Nm
Crankcase Ventilation Pipe
Bolt
- Tightening specifications TURBOCHARGER OVERVIEW
Exhaust Gas Recirculation Pipe
Gasket
- Replace
Bolt
- 9 Nm
Cooler for Exhaust Gas Recirculation (EGR)
- With by-pass valve for the exhaust gas recirculation cooler
- Removing and installing, refer to EXHAUST GAS RECIRCULATION COOLER
O-ring
- Replace
Coolant Hose

Part 2

Fig 2: Exhaust Gas Recirculation Auxiliary Cooler Overview

Courtesy of AUDI OF AMERICA, LLC

Auxiliary Cooler for the Exhaust Gas Recirculation
- Removing and installing, refer to EXHAUST GAS RECIRCULATION AUXILIARY COOLER
Gasket
- Replace
Bolt
- 9 Nm
Exhaust Gas Recirculation Pipe
Exhaust Gas Recirculation Pipe
- with catalytic converter
- Removing and installing, refer to EGR PIPE AND CATALYTIC CONVERTER
Bolt
- 9 Nm
Gasket
- Replace
Bolt
- 9 Nm
Vacuum Hose
- From exhaust gas recirculation (EGR) cooler switch-over valve 2 -N381-
Rear Coolant Pipe
- Removing and installing, refer to REAR COOLANT PIPE
O-ring
- Replace
Bolt
- Tightening specifications COOLANT PIPES OVERVIEW
Bolt
- Tightening specifications COOLANT PIPES OVERVIEW
Coolant Line
O-ring
- Replace
Bolt
- 9 Nm