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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (3.0L - Exhaust System & Emission Controls - Engine Code: CNRB) >> 26 Exhaust System, Emission Controls >> Reducing Agent Metering System >> Reducing Agent Injector -N474-, REMOVING AND INSTALLING >> Removing

Reducing Agent Injector -N474-, REMOVING AND INSTALLING: Removing

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-- On a vehicle with air suspension, activate vehicle lift mode. Refer to VEHICLE LIFT MODE .

WARNING:

The reducing agent can cause skin irritation.

NOTE:

Lay a cloth below to catch escaping reducing agent.

-- Press the release clasps -arrows- and remove the reducing agent hose -1-.

Fig 1: Identifying Injector For Reducing Agent N474
GWWA26-10801Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2-.

-- Loosen the clamps -3- and remove the Reducing Agent Injector -N474- -4-.