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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1486 (LIGHTING SYSTEMS)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Fastener Tightening Specifications
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Antenna Bracket Retaining Nuts | 12 N.m | 106 lb in |
| Backup Lamp and Rear License Assembly Retaining Screws | 2 N.m | 18 lb in |
| Front Fog Lamp Mounting Bolt | 2 N.m | 18 lb in |
| Front Park/Turn Signal and Sidemarker Lamp to Bracket Retaining Screws | 2 N.m | 18 lb in |
| Front Position Lamp Retaining Screw | 2 N.m | 18 lb in |
| Front Side Repeater Lamp Retaining Nuts | 2 N.m | 18 lb in |
| Front Turn Signal Lamp Bracket Retaining Screws | 3 N.m | 27 lb in |
| Headlamp Bezel Retaining Screws | 2 N.m | 18 lb in |
| Headlamp Capsule Retaining Screws | 4 N.m | 35 lb in |
| Headlamp Intermediate Bracket Screws | 2 N.m | 18 lb in |
| Headlamp Mounting Bolts | 20 N.m | 15 lb ft |
| Headlamp Mounting Nuts | 10 N.m | 89 lb in |
| Headlamp Motor/Actuator Mounting Bolts | 7 N.m | 62 lb in |
| Headlamp Motor/Actuator to Pivot Arm Nut | 6 N.m | 53 lb in |
| Headlamp Opening Door Screws | 2 N.m | 18 lb in |
| High-Mounted Stoplamp Retaining Screws | 4 N.m | 35 lb in |
| License Lamp Assembly Retaining Screws | 2 N.m | 18 lb in |
| Negative Battery Cable Bolt | 15 N.m | 11 lb ft |
| Rear Fog Lamp Bezel Retaining Nut | 3 N.m | 27 lb in |
| Rear Sidemarker Lamp Retaining Nuts | 2 N.m | 18 lb in |
| Tail/Backup Lamp Retaining Screws | 2 N.m | 18 lb in |
| Taillamp Retaining Screws | 2 N.m | 18 lb in |
| Tail/Turn Signal Lamp Retaining Screws | 2 N.m | 18 lb in |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.