2018 Buick Regal BaseFACTORY OEM SERVICE PROCEDURE

Forward Range Radar Sensor Replacement

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
GM4632664Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Front Bumper Fascia Replacement .
1 Forward Range Radar Sensor Nut [3x]
Tighten 
9 N.m (80 lb in)
2 Forward Range Radar Sensor
CAUTION:

Do NOT apply paint to the Forward Range Radar Module. Always cover the module before applying paint or other coatings in the area around the module. Failure to protect the module may result in reduced functionality of the module.

Procedure

  1. Disconnect the electrical connector.
  2. Control Module References for programming and setup information, if required.
Factory Service Tools

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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.

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