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 DIAGNOSISBODY & FRAMESEATSSEAT HARDWARE, TRIM, AND UPHOLSTERYSPECIFICATIONSFASTENER 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
Front Seat
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Front Seat Adjuster Finish Cover Bolt [ 2x ] | - | - | 4.5 N.m (40 lb in) | Front Seat Cushion Cover Retainer Replacement |
| 2 | Front Seat Bolt [ 4x ] | - | - | 45 N.m (33 lb ft) | Front Seat Removal and Installation |
| 3 | Front Seat Bolt @ Front Seat Adjuster Lower Finish Cover | - | - | 4.5 N.m (40 lb in) | Front Seat Adjuster Lower Finish Cover Replacement |
| 4 | Front Seat Bolt @ Front Seat Back Frame [ 4x ] | - | Yes | 45 N.m (33 lb ft) | Front Seat Back Frame Replacement |
| 5 | Front Seat Bolt @ Front Seat Back Upper Cover | - | - | 1 N.m (9 lb in) | Front Seat Back Upper Cover Replacement - Lower |
| 6 | Front Seat Bolt @ Front Seat Back Upper Support [ 2x ] | - | Yes | 5 N.m (44 lb in) | Front Seat Back Upper Support Replacement |
| 7 | Front Seat Bolt @ Front Seat Cushion Outer Finish Cover [ 2x ] | - | - | 4.5 N.m (40 lb in) | Front Seat Cushion Outer Finish Cover Replacement |
| 8 | Front Seat Bolt @ Front Seat Inner Adjuster Front Finish Cover [ 2x ] | - | - | 4.5 N.m (40 lb in) | Front Seat Inner Adjuster Front Finish Cover Replacement |
Front Seat -Center
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Front Seat Armrest Adjust Retainer Bolt | - | - | 4.7 N.m (42 lb in) | Front Seat Center Armrest Replacement |
| 2 | Front Seat Armrest Cup Holder Bolt [ 2x ] | - | - | 4.7 N.m (42 lb in) | Front Seat Armrest Cup Holder Replacement |
| 3 | Front Seat Armrest Lid Bolt [ 4x ] | - | - | 4.7 N.m (42 lb in) | Front Seat Armrest Lid Replacement |
| 4 | Front Seat Back Latch Bolt [ 2x ] | - | - | 100 N.m (74 lb ft) | Front Seat Back Latch Replacement (Center Seat) |
| 5 | Front Seat Bolt [ 4x ] | - | - | 45 N.m (33 lb ft) | Front Center Seat Removal and Installation |
| 6 | Front Seat Center Armrest Bolt [ 2x ] | - | - | 45 N.m (33 lb ft) | Front Seat Center Armrest Replacement |
| 7 | Front Seat Center Armrest Pivot Bolt | - | Yes | 22 N.m (16 lb ft) | Front Seat Center Armrest Replacement |
| 8 | Front Seat Center Storage Compartment Bolt | - | - | 4.7 N.m (42 lb in) | Front Seat Cushion Pad Center Support Replacement |
| 9 | Front Seat Cushion Center Pad Pivot Bolt | - | - | 20 N.m (15 lb ft) | Front Seat Cushion Center Pad Replacement |
| 10 | Front Seat Stowage Compartment Bolt - Front [ 2x ] | - | - | 4.7 N.m (42 lb in) | Front Seat Stowage Compartment Replacement (Armrest Compartment) , or Front Seat Stowage Compartment Replacement (Seat Compartment) |
| 11 | Front Seat Stowage Compartment Bolt - Rear | - | - | 4.7 N.m (42 lb in) | Front Seat Stowage Compartment Replacement (Armrest Compartment) , or Front Seat Stowage Compartment Replacement (Seat Compartment) |
Rear Bench Seat
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Front Seat Bolt @ Rear Seat Recliner Outer Finish Cover - Inboard | - | - | 3.5 N.m (31 lb in) | Rear Seat Recliner Outer Finish Cover Replacement - Inboard (Bucket) , or Rear Seat Recliner Outer Finish Cover Replacement - Inboard (Bench) |
| 2 | Front Seat Bolt @ Rear Seat Recliner Outer Finish Cover - Outboard | - | - | 3.5 N.m (31 lb in) | Rear Seat Recliner Outer Finish Cover Replacement - Outboard |
| 3 | Front Seat Bolt @ Rear Seat Track Finish Cover [ 2x ] | - | - | 3.5 N.m (31 lb in) | Rear Seat Track Finish Cover Replacement (40 Percent, Bucket) , or Rear Seat Track Finish Cover Replacement (60 Percent) |
| 4 | Rear Seat Bolt [ 5x ]-60 Percent | - | - | 45 N.m (33 lb ft) | Rear Seat Removal and Installation (Bucket) , or Rear Seat Removal and Installation (40 Percent) , or Rear Seat Removal and Installation (60 Percent) |
| Rear Seat Bolt [ 4x ]-40 Percent | |||||
| 5 | Rear Seat Riser Bolt @ Rear Seat Adjuster Handle | - | - | 4 N.m (36 lb in) | Rear Seat Adjuster Handle Replacement |
| 6 | Rear Seat Riser Bolt @ Rear Seat Armrest [ 2x ] | - | - | 25 N.m (19 lb ft) | Rear Seat Armrest Replacement (Bucket) , or Rear Seat Armrest Replacement (60 Percent) |
| 7 | Rear Seat Riser Bolt @ Rear Seat Recliner Handle | - | - | 4 N.m (36 lb in) | Rear Seat Recliner Handle Replacement |
Rear Bench Seat - Cables
Rear Bucket Seat
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Front Seat Bolt @ Rear Seat Recliner Outer Finish Cover - Inboard | - | - | 3.5 N.m (31 lb in) | Rear Seat Recliner Outer Finish Cover Replacement - Inboard (Bucket) , or Rear Seat Recliner Outer Finish Cover Replacement - Inboard (Bench) |
| 2 | Front Seat Bolt @ Rear Seat Recliner Outer Finish Cover - Outboard | - | - | 3.5 N.m (31 lb in) | Rear Seat Recliner Outer Finish Cover Replacement - Outboard |
| 3 | Front Seat Bolt @ Rear Seat Track Finish Cover [ 2x ] | - | - | 3.5 N.m (31 lb in) | Rear Seat Track Finish Cover Replacement (40 Percent, Bucket) , or Rear Seat Track Finish Cover Replacement (60 Percent) |
| 4 | Rear Seat Armrest Bolt | - | - | 30 N.m (22 lb ft) | Rear Seat Armrest Replacement (Bucket) , or Rear Seat Armrest Replacement (60 Percent) |
| 5 | Rear Seat Bolt [ 4x ] | - | - | 45 N.m (33 lb ft) | Rear Seat Removal and Installation (Bucket) , or Rear Seat Removal and Installation (40 Percent) , or Rear Seat Removal and Installation (60 Percent) |
| 6 | Rear Seat Riser Bolt @ Rear Seat Adjuster Handle | - | - | 4 N.m (36 lb in) | Rear Seat Adjuster Handle Replacement |
| 7 | Rear Seat Riser Bolt @ Rear Seat Recliner Handle | - | - | 4 N.m (36 lb in) | Rear Seat Recliner Handle Replacement |
Rear Bucket and 40 Percent Seat - Cables
3rd Row Seat
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Rear Seat Bolt @ 3rd Row Seat Back Latch Release Handle | - | - | 10 N.m (89 lb in) | 3rd Row Seat Back Latch Release Handle Replacement (40 Percent) , or 3rd Row Seat Back Latch Release Handle Replacement (60 Percent) |
| 2 | Rear Seat Bolt @ 3rd Row Seat Pull Strap | - | - | 10 N.m (89 lb in) | 3rd Row Seat Pull Strap Replacement |
| 3 | 3rd Row Seat Back Frame Bolt [ 4x ] | - | Yes | 55 N.m (41 lb ft) | 3rd Row Seat Back Frame Replacement (40 Percent Power) , or 3rd Row Seat Back Frame Replacement (40 Percent Manual) , or 3rd Row Seat Back Frame Replacement (60 Percent Manual) , or 3rd Row Seat Back Frame Replacement (60 Percent Power) |
| 4 | 3rd Row Seat Bolt [ 8x ] | - | - | 45 N.m (33 lb ft) | 3rd Row Seat Removal and Installation |
3rd Row Seat-Cushion Frame
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Rear Seat Cushion Frame Dampener Bolt | - | Yes | 7.5 N.m (67 lb in) | Rear Seat Cushion Frame Dampener Replacement (3rd Row Seat) |
| 2 | 3rd Row Seat Cushion Frame Bolt - Front [ 2x ] | - | Yes | 22.5 N.m (17 lb ft) | 3rd Row Seat Cushion Frame Replacement (40 Percent) , or 3rd Row Seat Cushion Frame Replacement (60 Percent) |
| 3 | 3rd Row Seat Cushion Frame Bolt - Rear [ 2x ] | - | Yes | 22.5 N.m (17 lb ft) | 3rd Row Seat Cushion Frame Replacement (40 Percent) , or 3rd Row Seat Cushion Frame Replacement (60 Percent) |
| 4 | 3rd Row Seat Cushion Frame Link Bolt [ 2x ] | - | Yes | 22.5 N.m (17 lb ft) | 3rd Row Seat Cushion Frame Replacement (40 Percent) , or 3rd Row Seat Cushion Frame Replacement (60 Percent) |
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.