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.
2021 Chevrolet Traverse LFACTORY OEM SERVICE PROCEDURE
Fastener Specifications
WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Front Body Mounted Sensors
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Forward Range Radar Module/Sensor Bolt [ 3x ] | - | - | 9 (80 lb in) | Front Bumper Impact Bar Replacement (without Forward Radar)Front Bumper Impact Bar Replacement (with Forward Radar) |
| 2 | Forward Range Radar Module/Sensor Nut [ 3x ] | - | - | 9 N.m (80 lb in) | Forward Range Radar Sensor Replacement |
Front Fascia Mounted Sensors
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Short Range Radar Sensor Bolt @ Front Bumper Fascia | - | - | 2.5 (22 lb in) | Front Short Range Radar Sensor Replacement |
Rear Fascia Mounted Sensors
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Short Range Radar Sensor Bolt @ Rear Bumper Fascia | - | - | 2.5 N.m (22 lb in) | Rear Short Range Radar Sensor Replacement |
| 2 | Side Object Sensing Alert Module Bolt | - | - | 2.5 (22 lb in) | Side Obstacle Detection Control Module Replacement |
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.