Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: The exhaust temperature sensor and exhaust pressure differential sensor line fittings may be difficult to remove when the engine exhaust system temperature is below 48°C (120°F). Excessive force may damage the threads in the exhaust manifold or exhaust pipe.

Fig 1: View Of Exhaust Differential Pressure Sensor, Bracket Bolts & Pipe Assembly Hose Clamps

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Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Reposition the exhaust differential pressure sensor pipe assembly hose clamps (3).
Remove the exhaust differential pressure sensor pipe assembly hoses from the sensor.

Fig 2: View Of Exhaust Differential Pressure Sensor Pipe Bracket Bolt & Nut

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Remove the exhaust differential pressure sensor pipe bracket bolt and nut.

Fig 3: View Of Exhaust Differential Pressure Sensor Pipe Assembly Fittings

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Loosen the exhaust differential pressure sensor pipe assembly fittings (1).

Fig 4: View Of Exhaust Differential Pressure Sensor Pipe Assembly

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Remove the exhaust differential pressure sensor pipe assembly.