Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 Chassis Wiring Harness Electrical Connector & Exhaust Differential Pressure Sensor

Courtesy of GENERAL MOTORS CORP.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Disconnect the exhaust temperature sensor (3) electrical connector from the chassis wiring harness electrical connector (4).

Fig 2: View Of Exhaust Temperature Sensor

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust temperature sensor.