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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2003 GMC Envoy 4WD L6-4.2L VIN S
Maintenance: Labor Times
2003 GMC Envoy 4WD L6-4.2L VIN SSECTION Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Service or Charge | ||||
| Normal Service | ||||
| 7,500 Miles | 0.7 | 0.0 | C | |
| 15,000 Miles | 0.7 | 0.0 | C | |
| 22,500, Miles | 0.7 | 0.0 | C | |
| 30,000 Miles | 1.2 | 0.0 | C | |
| 37,500 Miles | 0.7 | 0.0 | C | |
| 45,000 Miles | 0.7 | 0.0 | C | |
| 50,000 Miles | ||||
| With Automatic Transfer Case | 0.5 | 0.0 | C | |
| Without Automatic Transfer Case | ||||
| No service required. | ||||
| 52,500 Miles | 0.7 | 0.0 | C | |
| 60,000 Miles | 1.2 | 0.0 | C | |
| 67,500 Miles | 0.7 | 0.0 | C | |
| 75,000 Miles | 0.7 | 0.0 | C | |
| 82,500 Miles | 0.7 | 0.0 | C | |
| 90,000 Miles | 1.2 | 0.0 | C | |
| 97,500 Miles | 0.7 | 0.0 | C | |
| 100,000 Miles | ||||
| With Automatic Transfer Case | 4.1 | 0.0 | B | |
| Without Automatic Transfer Case | 3.6 | 0.0 | B | |
| 150,000 Miles | ||||
| With Automatic Transfer Case | 1.6 | 0.0 | C | |
| Without Automatic Transfer Case | 1.1 | 0.0 | C | |
| Severe Service | ||||
| 3,000 Miles | 0.4 | 0.0 | C | |
| 6,000 Miles | 0.4 | 0.0 | C | |
| 7,500 Miles | 0.3 | 0.0 | C | |
| 9,000 Miles | 0.4 | 0.0 | C | |
| 12,000 Miles | 0.4 | 0.0 | C | |
| 15,000 Miles | 0.7 | 0.0 | C | |
| 18,000 Miles | 0.4 | 0.0 | C | |
| 21,000 Miles | 0.4 | 0.0 | C | |
| 22,500, Miles | 0.3 | 0.0 | C | |
| 24,000 Miles | 0.4 | 0.0 | C | |
| 27,000 Miles | 0.4 | 0.0 | C | |
| 30,000 Miles | 1.2 | 0.0 | C | |
| 33,000 Miles | 0.4 | 0.0 | C | |
| 36,000 Miles | 0.4 | 0.0 | C | |
| 37,500 Miles | 0.3 | 0.0 | C | |
| 39,000 Miles | 0.4 | 0.0 | C | |
| 42,000 Miles | 0.4 | 0.0 | C | |
| 45,000 Miles | 0.7 | 0.0 | C | |
| 48,000 Miles | 0.4 | 0.0 | C | |
| 50,000 Miles | ||||
| With Automatic Transfer Case | 1.3 | 0.0 | C | |
| Without Automatic Transfer Case | 1.0 | 0.0 | C | |
| 51,000 Miles | 0.4 | 0.0 | C | |
| 52,500 Miles | 0.3 | 0.0 | C | |
| 54,000 Miles | 0.4 | 0.0 | C | |
| 57,000 Miles | 0.4 | 0.0 | C | |
| 60,000 Miles | 1.2 | 0.0 | C | |
| 63,000 Miles | 0.4 | 0.0 | C | |
| 66,000 Miles | 0.4 | 0.0 | C | |
| 67,500 Miles | 0.3 | 0.0 | C | |
| 69,000 Miles | 0.4 | 0.0 | C | |
| 72,000 Miles | 0.4 | 0.0 | C | |
| 75,000 Miles | 0.7 | 0.0 | C | |
| 78,000 Miles | 0.4 | 0.0 | C | |
| 81,000 Miles | 0.4 | 0.0 | C | |
| 82,500 Miles | 0.3 | 0.0 | C | |
| 84,000 Miles | 0.4 | 0.0 | C | |
| 87,000 Miles | 0.4 | 0.0 | C | |
| 90,000 Miles | 1.2 | 0.0 | C | |
| 93,000 Miles | 0.4 | 0.0 | C | |
| 96,000 Miles | 0.4 | 0.0 | C | |
| 97,500 Miles | 0.3 | 0.0 | C | |
| 99,000 Miles | 0.4 | 0.0 | C | |
| 100,000 Miles | ||||
| With Automatic Transfer Case | 4.1 | 0.0 | B | |
| Without Automatic Transfer Case | 3.6 | 0.0 | B | |
| 150,000 Miles | ||||
| With Automatic Transfer Case | 2.4 | 0.0 | C | |
| Without Automatic Transfer Case | 1.9 | 0.0 | C |
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.