Sensor, Particulate Matter: Removal

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect and isolate the negative battery cable.
Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .

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Remove the Particulate Matter (PM) sensor wire harness (3) from the retainer (2).

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Remove the PM sensor wire harness (1) from the retainers (2).

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Remove the NOx/Particulate Matter (PM) sensor mounting bracket nut (2).
Loosen the nuts (3) and remove the NOx/PM sensor module bracket (1).

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Flip the NOx/PM sensor module bracket 180° and disconnect the PM sensor wire harness connector (1).
Remove the nuts (2) and the PM sensor module (3).

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Using a six sided crow foot, remove the PM sensor (1) from the Selective Catalyst Reduction (SCR).
If the PM sensor fails to loosen use a torque wrench set to 160 N.m (118 ft. lbs.) and loosen PM sensor (1).
NOTE:
DO NOT use a torch as a heat source.
If the PM sensor is still not loose after applying 160 N.m (118 ft. lbs.) then use a heat gun to heat the PM sensor boss for 1 minute at 450° C (842° F).