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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1410 (ENGINE CONTROL SYSTEM - 4.2L (INTRODUCTION))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 does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specifications | |
|---|---|---|
| Metric | English | |
| Accelerator Pedal Position (APP) Sensor Bolt | 10 N.m | 89 lb in |
| Air Cleaner Cover/Resonator Retaining Screw | 4 N.m | 35 lb in |
| Air Cleaner Lower Housing/Washer Solvent Tank Assembly Nut | 15 N.m | 11 lb ft |
| Air Cleaner Outlet Duct Clamp | 4 N.m | 35 lb in |
| Air Cleaner Outlet Resonator Bolt | 6 N.m | 53 lb in |
| Camshaft Position (CMP) Sensor Bolt | 10 N.m | 89 lb in |
| Crankshaft Position (CKP) Sensor Bolt | 10 N.m | 89 lb in |
| Engine Coolant Temperature (ECT) Sensor | 16 N.m | 12 lb ft |
| EVAP Canister Bracket Bolt | 20 N.m | 15 lb ft |
| EVAP Canister Purge Solenoid Bracket Bolt | 25 N.m | 18 lb ft |
| Fuel Fill Hose Clamp | 2.5 N.m | 22 lb in |
| Fuel Fill Pipe Bracket Nut | 10 N.m | 89 lb in |
| Fuel Fill Pipe Ground Strap Bolt | 10 N.m | 89 lb in |
| Fuel Filter Bracket Screw | 1.5 N.m | 13 lb in |
| Fuel Pipe Assembly Bracket Bolt | 3.75 N.m | 33 lb in |
| Fuel Pressure Regulator Screw | 8 N.m | 71 lb in |
| Fuel Rail Bolt | 10 N.m | 89 lb in |
| Fuel Tank Strap Bolt | 32 N.m | 24 lb ft |
| Heated Oxygen Sensor (HO2S) | 41 N.m | 30 lb ft |
| Ignition Coil Bolt | 10 N.m | 89 lb in |
| Knock Sensor (KS) | 25 N.m | 18 lb ft |
| Powertrain Control Module (PCM) Connector End Bolt | 8 N.m | 71 lb in |
| Powertrain Control Module (PCM) Mounting Stud | 6 N.m | 53 lb in |
| Powertrain Control Module (PCM) Retaining Bolt | 10 N.m | 89 lb in |
| Powertrain Control Module (PCM) Retaining Nut | 10 N.m | 89 lb in |
| Spark Plug | 17-23 N.m | 13-16 lb ft |
| Throttle Body Bolt | 10 N.m | 89 lb in |
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.