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 MANUALSGMC2021YUKON DENALI, 3.0L ENG VIN T, 4WDREPAIR AND DIAGNOSISRESTRAINTSAIR BAG, SRSSUPPLEMENTAL RESTRAINTS SYSTEMSPECIFICATIONSFASTENER SPECIFICATIONS
2021 GMC Yukon Denali, 3.0L Eng VIN T, 4WD
Fastener Specifications
2021 GMC Yukon Denali, 3.0L Eng VIN T, 4WDSECTION Fastener Specifications
Airbag Front End Discriminating Sensor
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Airbag Front End Discriminating Sensor | - | - | 7.5 N.m (66 lb in) | Airbag Front End Discriminating Sensor Replacement |
Airbag Sensing and Diagnostic Module
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Airbag Sensing and Diagnostic Module Nut [ 3x ] | - | - | 9 N.m (80 lb in) | Restraints Control Module Replacement (without Denali) , or Restraints Control Module Replacement (with Denali) |
Front Seat Belt Retractor and Tensioner
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Front Seat Belt Retractor D Ring Bolt | - | Yes | 45 N.m (33 lb ft) | Front Seat Belt Retractor Replacement |
| 2 | Front Seat Belt Retractor Bolt -Upper | - | - | 9 N.m (80 lb in) | Front Seat Belt Retractor Replacement |
| 3 | Front Seat Belt Retractor Bolt -Lower | - | - | 45 N.m (33 lb ft) | Front Seat Belt Retractor Replacement |
| 4 | Front Seat Belt Anchor Plate Tensioner Bolt | - | Yes | 9 N.m (80 lb in) | Front Seat Belt Anchor Plate Tensioner Replacement |
| 5 | Front Seat Belt Nut | - | - | 45 N.m (33 lb ft) | Front Seat Belt Anchor Plate Tensioner Replacement |
Front Seat Outboard and Inboard Seat Back Airbag
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Front Seat Outboard Seat Back Airbag Nut | - | - | 7 N.m (62 lb in) | Front Seat Back Cover and Pad Removal and Installation |
| 2 | Front Seat Inboard Seat Back Airbag Nut | - | - | 7 N.m (62 lb in) | Front Seat Back Cover and Pad Removal and Installation |
Roof Rail Airbag and Side Impact Sensors
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Roof Rail Airbag Bolt -Left Side [ 17x ] | - | - | 9 N.m (80 lb in) | Front and Rear and 3rd Row Roof Rail Airbag Replacement - Left Side (without Denali) , or Front and Rear and 3rd Row Roof Rail Airbag Replacement - Left Side (with Denali) |
| 2 | Roof Rail Airbag Bolt -Right Side [ 15x ] | - | - | 9 N.m (80 lb in) | Front and Rear and 3rd Row Roof Rail Airbag Replacement - Right Side (with Denali) , or Front and Rear and 3rd Row Roof Rail Airbag Replacement - Right Side (without Denali) |
| 3 | Airbag Side Impact Sensor | - | - | 7.5 N.m (66 lb in) | Airbag Side Impact Sensor Replacement |
| 4 | Airbag Side Impact Rear Sensor | - | - | 7.5 N.m (66 lb in) | Airbag Side Impact Rear Sensor Replacement |
Steering Wheel Airbag
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Steering Wheel Airbag Bolt [ 2x ] | - | - | 9 N.m (80 lb in) | Steering Wheel Airbag Replacement |
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.