2018 GMC Acadia SLFACTORY OEM SERVICE PROCEDURE

Forward Range Radar Module Replacement

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Forward Range Radar Module & Mounting Components
GM2965505Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the front bumper fascia. Refer to Front Bumper Fascia ReplacementFront Bumper Fascia Replacement (V) .
1 Forward Range Radar Module Bracket Fastener (Qty: 3)
CAUTION:

Refer to Fastener Caution .


Tighten 
9 N.m (80 lb in)
2 Forward Range Radar Module Bracket
3 Forward Range Radar Module Fastener (Qty: 3)
4 Forward Range Radar Module

Procedure

  1. Disconnect the electrical connector.
  2. For programming and set up, refer to Control Module References .
  3. Use a digital angle gauge to align the forward range radar module vertically (at the edge or on the bracket behind the module).
NOTE:
  • The digital angle gauge must have an accuracy of ±0.5 degrees (9 mm/m).
  • The vertical position of forward range radar module is 90 degrees (±3 degrees).
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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.