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Home >> GMC >> 2007 >> W 3500 Forward L4-5.2L DSL Turbo >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Continuous Trap Oxidizer >> Exhaust Pressure Differential Sensor >> Service and Repair >> Installation
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation

Exhaust Differential Pressure Sensor

Installation
1. Install the bolts (1) to the bracket of the exhaust differential pressure sensor.
2. Install the exhaust differential pressure hoses (3).

Tightening torque: 25 N.m (18 lb.ft)







NOTE:
- Do not use hoses that are cracked.
- Do not tighten nor loosen the tightening screws (1) of the differential pressure sensor assembly.
- If gas leaks from the coupling section, it may cause the sensor to malfunction. After starting the engine, check that there are no gas leaks.







Correct hose connection







Incorrect hose connection








3. Connect the harness connector to the exhaust differential pressure sensor.
4. Turn ON the ignition with the engine OFF for 1 minute to allow the engine control module to learn the exhaust differential pressure sensor zero'd value.