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 MANUALSGMC2003SONOMA 2D PICKUP, 2.2 H, AUTOMATICREPAIR AND DIAGNOSISBODY & FRAMEEXTERIOR BODY PANELSBUMPER SYSTEMSPECIFICATIONS
2003 GMC Sonoma 2D Pickup, 2.2 H, Automatic
Bumper System: Specifications
2003 GMC Sonoma 2D Pickup, 2.2 H, AutomaticSECTION Specifications
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Front Bumper Brace to the Frame Bolts | 40 N.m | 30 lb ft |
| Front Bumper Fascia Screws (Xtreme) | 1.9 N.m | 17 lb in |
| Front Bumper Impact Bar to the Brace Bolts | 40 N.m | 30 lb ft |
| Front Bumper Impact Bar to the Frame Bolts | 40 N.m | 30 lb ft |
| Rear Bumper Bracket to the Frame Bolts | 90 N.m | 66 lb ft |
| Rear Bumper Extension to the Brace Bolts | 9 N.m | 80 lb in |
| Rear Bumper Extension to the Rear Quarter Panel Nuts | 10 N.m | 90 lb in |
| Rear Bumper Extension to the Rear Wheelhouse Bolts | 1.9 N.m | 17 lb in |
| Rear Bumper Filler Panel Bolts | 1.5 N.m | 14 lb in |
| Rear Bumper Impact Bar Nuts | 90 N.m | 66 lb ft |
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.