Exhaust Pressure Differential Sensor Replacement (Cab/Chassis)

Exhaust Pressure Differential Sensor Replacement (Cab/Chassis)

Removal Procedure





1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
2. Disconnect the chassis wiring harness electrical connector (1) from the exhaust differential pressure sensor (2).




3. Reposition the exhaust differential pressure sensor pipe assembly hose clamps (3).
4. Remove the exhaust differential pressure sensor pipe assembly hoses from the sensor.
5. Remove the exhaust differential pressure sensor bracket bolts (1).
6. Remove the exhaust differential pressure sensor (2).



Installation Procedure





1. Position the exhaust differential pressure sensor (2) to the bracket.
Caution: Refer to Fastener Caution (Fastener Caution) .
2. Install the exhaust differential pressure sensor bracket bolts (1).

Tighten the bolts to 9 Nm (80 lb in).

3. Install the exhaust differential pressure sensor pipe assembly hoses to the sensor.
4. Position the exhaust differential pressure sensor pipe assembly hose clamps (3).




5. Connect the chassis wiring harness electrical connector (1) to the exhaust differential pressure sensor (2).
6. Lower the vehicle.