Reducing Agent Metering System Pressure Sensor -G686-, REMOVING AND INSTALLING: Removing
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.
Follow all safety precautions. Refer to SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEM SAFETY PRECAUTIONS .
Follow the guidelines for clean working conditions. Refer to FUEL SUPPLY, INJECTION SYSTEM AND CHARGING SYSTEM CLEAN WORKING CONDITIONS .
-- Switch the ignition off and remove the ignition key.
Reducing Agent Metering System Pressure Sensor -G686- Version 1
-- Disconnect the connector -3-.
-- Remove the pressure sensor -2- from the Reducing Agent Pump -V437- -1-.
Reducing Agent Metering System Pressure Sensor -G686- Version 2
-- Disconnect the connector -5-.
-- Remove the bolts -2 and 4- and then remove the pressure sensor -1- from the Reducing Agent Pump -V437- -3-.