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.

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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEOBJECT DETECTION SYSTEMREPAIR INSTRUCTIONSREAR OBJECT SENSOR HOUSING REPLACEMENT

2009 Chevrolet Tahoe Base, 4.8 C

Rear Object Sensor Housing Replacement

2009 Chevrolet Tahoe Base, 4.8 CSECTION Rear Object Sensor Housing Replacement

Remove the rear fascia. Refer to Rear Bumper Fascia Replacement (Avalanche, Cadillac EXT) or Rear Bumper Fascia Replacement (All Utility, Cadillac ESV) .

Fig 1: View Of Rear Object Sensor

Courtesy of GENERAL MOTORS CORP.

Disconnect the sensor harness.
Remove the sensor from the sensor housing.
The sensor housing must be painted if replaced. If reinstalled, painting will not be necessary.

Fig 2: Sanding/Grinding Sonic Weld Plastic Residue From Fascia

Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.