High Pressure Pump Overview
WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, and 2013 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
- Nut
- Counterhold adapter -2- using counterhold Counter Holder ToolT40248 to loosen
- 70 Nm
- Engine Support Adapter
- For high pressure pump chain sprocket
- Different adapters may be installed depending on the date of manufacture
- Use Counter Holder ToolT40248 or Counter Holder ToolT40292 to loosen the nut -1-.
- Modify the new high pressure pump when replacing the (old) high pressure pump.
- O-ring
- Replace
- High Pressure PumpCAUTION:
Danger of malfunction caused by dirt.
- Note, refer to FUEL SYSTEM SAFETY PRECAUTIONS
Letting the high pressure pump run dry will destroy it.
- The high pressure pump must be filled with fuel after installing, but before the engine is started for the first time. Refer to FUEL TANK, FILLING WITH FUEL AFTER INSTALLING HIGH PRESSURE PUMP .
- Removing and installing, refer to HIGH PRESSURE PUMP .
- Perform an adaptation after replacing the high pressure pump and / or the Fuel Pressure Regulator Valve -N276-. Use a Vehicle Diagnostic Tester to do this.
- High Pressure Line
- 25 Nm
- Do not change the shape of the line
- Check for damage before installing
- The high pressure line also needs to be replaced when replacing the high pressure pump.
- Installing, refer to HIGH PRESSURE LINES, INSTALLING
- Coat the union nut threads with clean engine oil
- Fuel Supply Hose
- Fuel Return Hose
- O-ring
- Replace
- Fuel Temperature Sensor -G81-
- 2 Nm
- High Pressure Line
- 25 Nm
- Do not change the shape of the line
- Check for damage before installing
- The high pressure line also needs to be replaced when replacing the high pressure pump.
- Installing, refer to HIGH PRESSURE LINES, INSTALLING
- Coat the union nut threads with clean engine oil
- Bolt
- 22 Nm