Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Chrysler 300 V8-5.7LFACTORY OEM SERVICE PROCEDURE
Sensor
SENSOR
1. Disconnect and isolate the battery negative cable.
2. Raise and support the vehicle.
3. Unsnap and remove the plastic fog lamp bezel (2) from the right lower air intake opening in the front fascia (1).
4. If equipped, unsnap and remove the sensor bezel (mirror cover) (3) from the face of the adaptive speed control (also known as Adaptive Cruise Control/ACC) sensor (4) located below the right side of the front bumper support bar (1).
5. Disconnect the Front End Module (FEM) wire harness connector (5) from the ACC sensor connector receptacle.
6. Firmly grasp the ACC sensor housing and pull it sharply forward from the sensor mounting bracket (2) until the one fixed and the two adjustable ball studs of the sensor unsnap from the three molded plastic ball socket clips in the bracket.
7. Remove the ACC sensor from the vehicle.
NOTE: The three molded plastic ball socket clips in the ACC sensor mounting bracket MUST be removed, discarded and replaced with new ball socket clips any time the sensor is removed from the bracket.
8. Remove the three molded plastic ball socket clips (5) from the back side of the ACC sensor mounting bracket and discard. The clips are removed by rotating them counterclockwise.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
