Emissions Control Module: Removing

WARNING: This page is about a different car, the 2015 Volkswagen Passat, 2014 Volkswagen Passat, 2013 Volkswagen Passat, and 2012 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the subframe, refer to SUBFRAME OVERVIEW . .

-- Remove the front exhaust pipe, refer to FRONT EXHAUST PIPE .

-- Drain the coolant, refer to COOLANT, DRAINING AND FILLING .

-- Remove the left coolant pipes, refer to LEFT COOLANT PIPES .

-- Remove the rear coolant pipe, refer to REAR COOLANT PIPE .

-- Remove the exhaust gas recirculation, refer to EGR COOLER .

-- Disconnect and remove the connector for the coolant reservoir -2-.

Fig 1: Identifying Coolant Reservoir, Bolts, And Connector

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-- Unclip the wiring harness from the coolant reservoir.

-- Remove the bolts -3- and the coolant reservoir -2-.

-- Unclip the lines -1- and free up.

-- Lay the coolant reservoir -2- on the engine.

-- Remove the Exhaust Gas Temperature Sensor 2 -G448-, Exhaust Gas Temperature Sensor 3 -G495- and Exhaust Gas Temperature Sensor 4 -G648-, refer to EXHAUST GAS TEMPERATURE SENSOR .

-- Remove the Oxygen Sensor 1 before Catalytic Converter -GX10-, refer to Oxygen Sensor 1 before Catalytic Converter -GX10-, REMOVING AND INSTALLING .

-- Remove the Differential Pressure Sensor -G505- and lay on the engine with the lines still attached, refer to Differential Pressure Sensor -G505-, REMOVING AND INSTALLING .

-- Remove the Exhaust Pressure Sensor 1 -G450- and lay on the engine with the lines still attached, refer to Exhaust Pressure Sensor 1 -G450-, REMOVING AND INSTALLING .

-- Remove the bolt -3-.

Fig 2: Identifying Clamps, Pipes And Bolt

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-- Loosen the clamps -1- and remove the hoses.

-- Unclip the pipes -2- and remove with the differential pressure sensors.

-- Release and disconnect the Reducing Agent Injector -N474- connector from the bulkhead.

Fig 3: Identifying Clamps And Reducing Agent Line

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-- Free up the wires.

-- Loosen the hose clamp -1-.

-- Free up the coolant line -3- and the Selective Catalytic Reduction (SCR) lines -2-.

-- Remove the Reducing Agent Injector -N474- and lay it to the right side.

-- Remove the bolt -arrow-.

Fig 4: Identifying Bolt

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NOTE:

The feet of the Assembly Aid T10511 are supported by the bolts for the cylinder head.

-- Install the Counterhold - Electric DriveT10511 as shown.

Fig 5: Identifying Assembly Aid

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-- Engage the retaining bracket -arrow- in the emissions control module strap.

-- Open the clamp -1- and position on the emissions control module entrance funnel.

-- Remove the rest of the bolts in the order -4 to 2-.

Fig 6: Emissions Control Module Tightening Sequence

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-- Push the engine forward from below with the help of a second technician underneath.

-- Pivot the lower emissions control module away from the engine and push upward.

-- Pull the brackets from the emissions control module mounting strap and remove the emissions control module downward.