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 Pontiac GTO AutomaticFACTORY OEM SERVICE PROCEDURE
Fastener Tightening Specifications
Fastener Tightening Specifications
| Application | Specifications | |
|---|---|---|
| Metric | English | |
| Air Cleaner Lower Housing Securing Bolts | 10 N.m | 89 lb in |
| Air Cleaner Upper Housing Securing Screws | 5 N.m | 44 lb in |
| A/C Refrigerant Pressure Sensor | 6 N.m | 53 lb in |
| Camshaft Position (CMP) Sensor Bolt | 25 N.m | 18 lb ft |
| Crankshaft Position (CKP) Sensor Bolt | 25 N.m | 18 lb ft |
| Engine Coolant Temperature (ECT) Sensor | 20 N.m | 15 lb ft |
| Evaporative Emissions (EVAP) Canister Retaining Nut | 6 N.m | 53 lb in |
| Fuel Pump And Sender Assembly Ground Terminal Nut | 7 N.m | 62 lb in |
| Fuel Filler Pocket Fastening Nut | 5 N.m | 44 lb in |
| Fuel Fill Hose Clamps | 2.5 N.m | 22 lb in |
| Fuel Pipe Shield Nuts and Bolts | 5 N.m | 44 lb in |
| Fuel Rail Attaching Bolts | 10 N.m | 89 lb in |
| Fuel Tank Strap Upper Fastening Nut | 20 N.m | 15 lb ft |
| Fuel Tank Strap Lower Fastening Nut | 40 N.m | 30 lb ft |
| Heated Oxygen Sensor (HO2S) | 41 N.m | 30 lb ft |
| Idle Air Control (IAC) Valve Attaching Screws | 3 N.m | 27 lb ft |
| Ignition Coil Mounting Bolt | 12 N.m | 106 lb in |
| Knock Sensor (KS) | 20 N.m | 15 lb ft |
| Powertrain Control Module (PCM) Connector End Bolts | 8 N.m | 70 lb in |
| Powertrain Control Module (PCM) Mounting Bracket Assembly Fastener | 7 N.m | 62 lb in |
| Spark Plug New Cylinder Head | 20 N.m | 15 lb ft |
| Spark Plug Old Cylinder Head | 15 N.m | 11 lb ft |
| Throttle Body Attaching Bolts | 12 N.m | 106 lb in |
| Throttle Position (TP) Sensor Attaching Screws | 2 N.m | 18 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:
- • 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.
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