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 DIAGNOSISENGINE MECHANICALELECTRIC COOLING FANSTORQUE SPECIFICATIONS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Torque Specifications
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| Air Cleaner Housing/Washer Solvent Tank Retaining Nuts | 11 (15) |
| Battery Negative Cable-To-Battery | 13 (17) |
| Cooling Fan Hub Nut | 41 (56) |
| Fan Shroud Bolt | 21 (28) |
| Fan Blade Bolt | 20 (27) |
| Hood Latch Support-To-Radiator Support Bolts | 15 (20) |
| Radiator Support Diagonal Brace Bolts | 18 (25) |
| INCH Lbs. (N.m) | |
| Air Cleaner Housing/Cover Screws | 35 (4) |
| Air Cleaner Outlet Duct Mounting Bolt (5.3L) | 89 (10) |
| Air Cleaner Outlet Resonator-To-Engine Bolts (4.2L) | 53 (6) |
| Headlight Housing Panel-To-Body Bolts | 71 (8) |
| Hood Latch-To-Mounting Bracket Bolts | 89 (10) |
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.