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.
2004 GMC Envoy 4WDFACTORY OEM SERVICE PROCEDURE
Fastener Tightening Specifications
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 |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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