Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Emissions Control Module: Removing
-- Remove the subframe, refer to SUBFRAME .
-- Remove the front exhaust pipe, refer to REMOVINGΒ .
-- 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 REMOVINGΒ .
-- Disconnect and remove the connector for the coolant reservoir -2-.
-- Unclip the wiring harness from the coolant reservoir.
-- Remove the bolts -3- and the coolant expansion tank -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 REMOVINGΒ and REMOVINGΒ .
-- Remove the Oxygen Sensor 1 before Catalytic Converter -GX10-, refer to OXYGEN SENSOR 1 BEFORE CATALYTIC CONVERTER -GX10- .
-- Remove the Differential Pressure Sensor -G505- and lay on the engine with the lines still attached, refer to DIFFERENTIAL PRESSURE SENSOR -G505- .
-- Remove the Exhaust Pressure Sensor 1 -G450- and lay on the engine with the lines still attached, refer to EXHAUST PRESSURE SENSOR 1 -G450- .
-- Remove the bolt -3-.
-- 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.
-- Free up the wires.
-- Loosen the hose clamp -1-.
-- Free up the coolant line -3- and the SRC lines -2-.
-- Remove the Reducing Agent Injector -N474- and lay it to the right side.
-- Remove the bolt -arrow-.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.