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.
Torque Specifications (3.1L)
1994 Chevrolet Lumina BaseSECTION Torque Specifications (3.1L)
TORQUE SPECIFICATIONS (3.1L)
| Application | Ft. Lbs. (N.m) |
|---|---|
| Fuel Inlet & Return Line Nuts | 13 (17) |
| Intake Manifold Plenum Bolts | 18 (25) |
| Throttle Body Bolts | 18 (25) |
| Harmonic Balancer | 110 (149) |
| Oxygen Sensor | 30 (41) |
| Supercharger-To-Manifold Bolt | 19 (26) |
| INCH Lbs. (N.m) | |
| Fuel Pressure Regulator Screws | 75 (8.5) |
| Fuel Rail Retaining Bolts | 89 (10) |
| Idle Air Control (IAC) Valve Screw | 26 (3.0) |
| Throttle Position Sensor Screw | 18 (2.0) |
| Camshaft Position Sensor Bolt | 89 (10) |
| Crankshaft (3X) Position Sensor Bolt | 71 (8.0) |
| Crankshaft (24X) Position Sensor Bolt | 89 (10) |
| Ignition Coil-To-Module Screws | 40 (4.5) |
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.