Exhaust Temperature Sensor Replacement - Position 1

GM4627681

Courtesy of

Callout

Component Name

Preliminary Procedure
Refer to Engine Cover Replacement

1

Exhaust Temperature Sensor

CAUTION:

Refer to Component Fastener Tightening Caution .

Procedure

Disconnect the electrical connector.
Release the retainers from the bracket.
If reinstalling the old sensor, coat the threads with anti-sieze compound. Refer to Adhesives, Fluids, Lubricants, and Sealers .
If replacing, perform the exhaust gas temperature sensor reset. Refer to Exhaust Gas Temperature Sensor Reset
If replacing, perform the NOx catalyst reductant loading reset. Refer to NOx Catalyst Reductant Loading Reset

NOTE:

Apply penetrating oil to the sensor and allow to soak for 10 minutes prior to removal.

tighten
45 N.m. (33 lb ft)