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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC2021YUKON DENALI, 3.0L ENG VIN T, 4WDREPAIR AND DIAGNOSISENGINE MECHANICALSTARTER12 V STARTING AND CHARGING - SPECIFICATIONSSPECIFICATIONSFASTENER 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
Battery Insulator Bolt
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Battery Insulator Bolt | - | - | 22 N.m (16 lb-ft) | Battery Tray Replacement (L84, L87)
, or Battery Tray Replacement (LM2) |
Battery Negative Cable Extension Cable Strap (LM2)
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Catalytic Converter Brace Bracket Nut | - | - | 22 N.m (16 lb-ft) | Battery Negative Cable Extension Cable Strap Replacement (LM2) |
| 2 | Battery Negative Cable Ground Nut | - | - | 22 N.m (16 lb-ft) | Battery Negative Cable Extension Cable Strap Replacement (LM2) |
Battery Positive and Negative Cable Strap
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Body Ground Stud Nut | - | - | 22 N.m (16 lb-ft) | Battery Positive and Negative Cable Strap Replacement |
| 2 | Battery Negative Cable Ground Bolt | - | - | 22 N.m (16 lb-ft) | Battery Positive and Negative Cable Strap Replacement |
Battery Tray and Engine Wiring Harness Fuse Block Bracket
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Battery Tray Bolt [ 7x ] | - | - | 22 N.m (16 lb-ft) | Battery Tray Replacement (L84, L87)
, or Battery Tray Replacement (LM2) . |
| 2 | Battery Hold Down Retainer Bolt | - | - | 22 N.m (16 lb-ft) | Battery Replacement (LM2)
, or Battery Replacement (L84, L87) . |
| 3 | Engine Wiring Harness Fuse Block Bracket Bolt [ 2x ] | - | - | 9 N.m (80 lb/in) | Engine Wiring Harness Fuse Block Bracket Replacement |
Chassis Wiring Harness Front Bracket (LM2)
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Chassis Front Wiring Harness Bracket Bolt- Rear | - | - | 22 N.m (16 lb-ft) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
| 2 | Chassis Front Wiring Harness Bracket Bolt- Front | - | - | 9 N.m (80 lb/in) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
Engine Wiring Harness Bracket (LM2)
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Engine Wiring Harness Fuse Block Bracket Bolt | - | - | 9 N.m (80 lb/in) | Air Cleaner Assembly Replacement |
Heater Inlet Hose Clip Bracket Nut
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Heater Inlet Hose Clip Bracket Nut | - | - | 9 N.m (80 lb/in) | Battery Tray Replacement (L84, L87)
, or Battery Tray Replacement (LM2) . |
Left Side of Engine (LM2)
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Engine Wiring Harness Bracket Bolt | - | - | 9 N.m (80 lb/in) | Generator Replacement (L84, L87)
, or Generator Replacement (LM2) . |
| 2 | Generator Bolt [ 2x ] | - | - | 22 N.m (16 lb-ft) | Generator Replacement (L84, L87)
, or Generator Replacement (LM2) . |
| 3 | Battery Positive Cable Nut | - | - | 15 N.m (11 lb-ft) | Generator Replacement (L84, L87)
, or Generator Replacement (LM2) . |
Multifunction Power Supply Converter Bracket
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Multifunction Power Supply Converter Nut [ 2x ] | - | - | 9 N.m (80 lb/in) | Multifunction Power Supply Converter Bracket Replacement |
Right Side of Engine (L87)
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Starter Bolt [ 2x ] | - | - | 58 N.m (43 lb-ft) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
| 2 | Starter Heat Shield Bolt | - | - | 22 N.m (16 lb-ft) | Starter Heat Shield Replacement (L84, L87)
, or Starter Heat Shield Replacement (LM2) . |
| 3 | Starter Heat Shield Bolt [ 2x ] | - | - | 9 N.m (80 lb/in) | Starter Heat Shield Replacement (L84, L87)
, or Starter Heat Shield Replacement (LM2) . |
| 4 | Battery Positive Cable Nut | - | - | 15 N.m (11 lb-ft) | Starter Solenoid Cable Replacement (L84, L87)
, or Starter Solenoid Cable Replacement (LM2) |
| 5 | Generator Bolt [ 2x ] | - | - | 58 N.m (43 lb-ft) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
| 6 | Battery Positive Cable Nut | - | - | 14 N.m (124 lb/in) | Starter Solenoid Cable Replacement (L84, L87)
, or Starter Solenoid Cable Replacement (LM2) . |
| 7 | Battery Negative Cable Ground Bolt | - | - | 22 N.m (16 lb-ft) | Starter Solenoid Cable Replacement (L84, L87)
, or Starter Solenoid Cable Replacement (LM2) . |
Right Side of Engine (LM2)
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Starter Heat Shield Bolt | - | - | 9 N.m (80 lb/in) | Starter Heat Shield Replacement (L84, L87)
, or Starter Heat Shield Replacement (LM2) . |
| 2 | Starter Heat Shield Bolt [ 2x ] | - | - | 9 N.m (80 lb/in) | Starter Heat Shield Replacement (L84, L87)
, or Starter Heat Shield Replacement (LM2) . |
| 3 | Starter Solenoid Cable Nut | - | - | 15 N.m (11 lb-ft) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
| 4 | Wiring Harness Conduit Nut | - | - | 9 N.m (80 lb/in) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
| 5 | Engine Wiring Harness Ground Nut | - | - | 22 N.m (16 lb-ft) | Starter Solenoid Cable Replacement (L84, L87)
, or Starter Solenoid Cable Replacement (LM2) . |
| 6 | Starter Bolt [ 3x ] | - | - | 58 N.m (43 lb-ft) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
Right Side of Engine Compartment
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Battery Positive Cable Nut | - | - | 15 N.m (11 lb-ft) | Engine Wiring Harness Junction Block Replacement |
| 2 | Engine Wiring Harness Junction Block Bolt [ 4x ] | - | - | 6 N.m (53 lb/in) | Engine Wiring Harness Junction Block Replacement |
| 3 | Battery Negative Cable Ground Nut | - | - | 22 N.m (16 lb-ft) | Starter Solenoid Cable Replacement (L84, L87)
, or Starter Solenoid Cable Replacement (LM2) . |
| 4 | Battery Hold Down Strap Bolt [ 2x ] | - | Yes | 22 N.m (16 lb-ft) | Battery Hold Down Strap Replacement |
| 5 | Battery Negative Cable Ground Nut | - | - | 9 N.m (80 lb/in) | Battery Monitor Module Replacement (KL9) |
| 6 | Battery Negative Post Clamp Nut | - | - | 4.5 N.m (40 lb/in) | Battery Monitor Module Replacement (KL9) |
Starter Shield Retainer
| Callout | Component Name [ Component Quantity ] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure Link |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Starter Shield Bolt | - | - | 9 N.m (80 lb/in) | Starter Replacement (L84, L87)
, or Starter Replacement (LM2) . |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.