Overview - Exhaust Gas RECIRCULATION
WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.
- Exhaust Gas Recirculation (EGR) Pipe
- To the intake manifold
- Tightening specification and sequence, refer to Fig 2.
- Bolt
- Tightening specification and sequence, refer to Fig 2.
- Seal
- Replace
- EGR Temperature Sensor -G98-
- Tightening specification: 35 Nm Aluminum Exhaust Gas Recirculation Radiator
- Tightening specification: 45 Nm Steel Panel Exhaust Gas Recirculation Radiator
- Removing and installing, refer to EGR Temperature Sensor -G98-, REMOVING AND INSTALLING .
- Bolt
- Tightening specification: 9 Nm
- EGR Cooler
- Removing and installing, refer to EGR COOLER, REMOVING AND INSTALLING .
- Seal
- Replace
- Bleed Screw
- Seal
- Replace
- Connection
- O-Rings
- Replace
- Seal
- Replace
- EGR Motor -V338-
- Pay attention to the installed position.
- With EGR Potentiometer -G212-
- Removing and installing, refer to EGR Motor -V338-, REMOVING AND INSTALLING .
- Bolt
- Tightening specification: 9 Nm
- Bolt
- Tightening specification: 9 Nm
- Engine Coolant Temperature Sensor -G62-
- Removing and installing, refer to Engine Coolant Temperature Sensor -G62-, REMOVING AND INSTALLING .
- Seal
- Replace
- Bolt
- Tightening specification and sequence Fig 3.
- EGR Pipe
- From the turbocharger
- If the screw-type clamp -item 21- was loosened, then the EGR pipe and the screw-type clamp must always be replaced
- Tightening specification and sequence Fig 3.
- Seal
- Replace
- Screw-Type Clamp
- Replace
- Tightening specification and sequence Fig 3.
- Bolt
- Tightening specification: 9 Nm
- O-Ring
- Replace
- Coolant Connection
- Bolt
- Tightening specification: 9 Nm .
- Screw-Type Clamp
- Replace
- Tightening specification and sequence Fig 2.
- Seal
- Replace
- The flange at the EGR pipe must not be wavy or bent.
-- Attach the EGR pipe with the seals and the screw-type clamps.
NOTE:
Coat the thread on the bolts with hot bolt paste .
| Step | Bolts/Screw-Type Clamps | Tightening Specification |
|---|---|---|
| 1. | -1 and 2- | Turn them by hand until the bolt heads are touching |
| 2. | -3- | Position them as shown in the illustration 2.5 Nm |
| 3. | -1 and 2- | 9 Nm |
NOTE:
Replace the EGR pipe and the screw-type clamp if the screw-type clamp was loosened.
Replace any bolts that were tightened with an additional turn.
-- Attach the EGR pipe with the seals and the screw-type clamps.
NOTE:
Coat the thread on the bolts with hot bolt paste .
| Step | Bolts/Screw-Type Clamps | Tightening Specification |
|---|---|---|
| 1. | -2 and 3- | Turn them by hand until the bolt heads are touching |
| 2. | -1- | position using the tab on the EGR pipe tightening specification.
|
| 3. | -2 and 3- | 5 Nm |
| 4. | -2 and 3- | Tighten an additional 90° |