Exhaust Pressure Sensor 1 (G450) Control Line

Exhaust Pressure Sensor 1 (G450) Control Line

Special tools, testers and auxiliary items required

• Hose Clamps Up to 25 mm Dia. (3094)

Removing

- Remove engine cover => [ Engine Cover ] Service and Repair.

- Remove the heat shield boot and then remove exhaust pressure sensor 1 - 3 -. Refer to => [ Exhaust Pressure Sensor 1 (G450) ] Exhaust Pressure Sensor 1 (G450).






- Remove the nut - 3 -.






• The nut - 3 - is accessible from above.

- Remove the noise insulation - 1 -.






- Remove the clamp - 2 - and the bolts - 1 - and then remove the filter.






- Remove exhaust gas temperature sensor 1 (G235) - 2 - from the exhaust manifold with an open-end wrench.






- Clamp off the coolant hoses using the (3094) as illustrated.






- Remove the coolant hoses.






- Remove the nut - 3 - and the union nut - 1 - and then remove the control line.






Installing

- Installation is in reverse order of removal.

• Tightening specifications, refer to => [ Heated Oxygen Sensor (HO2S) (G39) and Exhaust Gas Temperature Sensors Overview ] Heated Oxygen Sensor (HO2S) (G39) and Exhaust Gas Temperature Sensors Overview

• Before installing, clean the control lines leading to the particulate filter with compressed air to make sure they are not plugged or iced over with condensation water.

• Check for secure fit and leaks.