LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Repair Instructions >> Forward Range Radar Module Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Forward Range Radar Module Replacement

Fig 1: Forward Range Radar Module
GM3910820Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove Front Bumper Fascia. Refer to Front Bumper Fascia Replacement
1 Forward Range Radar Bracket Bolt (Qty: 3)
CAUTION:

Refer to Fastener Caution .


Tighten 
2.5 N.m (22 lb in)
2 Forward Range Radar Bracket
3 Forward Range Radar Module Nut (Qty: 3)
CAUTION:

Refer to Fastener Caution .


Tighten 
9 N.m (80 lb in)
4 Forward Range Radar Module

Procedure

  1. Disconnect the electrical connector.
  2. Refer to Control Module References for programming and setup information, if required.
  3. Use a digital angle gauge to align the forward range radar module vertically (at the edge or on the bracket behind the module).
  4. Prior to adjustment to the module, the following steps must be taken.
    1. Remove any snow, ice or mud from the vehicle.
    2. The vehicle must have a full tank of gas.
    3. If any service has been performed on the vehicle, make sure that all of the components are back in their original place.
    4. The vehicle must be on a level surface.
    5. Do not load any cargo in the vehicle.
    6. The vehicle must contain approximately 75 kg (165 lb) on the driver seat.
    7. Inflate the tires to the proper pressure.
    8. Rock the vehicle in order to stabilize the suspension.
    9. Adjust as needed.
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).