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 MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 65 (ENGINE CONTROLS - REMOVAL & INSTALLATION, OVERHAUL)IGNITION SYSTEMSSPARK PLUGSINSTALLATION
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F
Spark Plugs: Installation
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Installation
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2002 Buick Regal, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Be sure plug threads smoothly into cylinder head and is fully seated. Use a thread chaser if necessary to clean threads in cylinder head. Cross-threading or failing to fully seat spark plug can cause overheating of plug, exhaust blow-by, or thread damage. Follow the recommended torque specifications carefully. Over or under-tightening can also cause severe damage to engine or spark plug.
- Gap the spark plugs to.060" (1.52 mm). Install the spark plugs. Tighten the spark plugs to specification. See TORQUE SPECIFICATIONS . Install the spark plug wires to the spark plugs. Return the engine to the proper position.
- Remove the engine tilter strap from the engine. Swing the engine mount struts in position. Install the engine mount strut bolts and tighten bolts to specification. Install wiper motor cover assembly. See appropriate WIPER/WASHER SYSTEMS article in ACCESSORIES & EQUIPMENT.
Gap the spark plugs to.060" (1.52 mm). Install the spark plugs. Tighten the spark plugs to specification. See TORQUE SPECIFICATIONS . Install the spark plug wires to the spark plugs.
RENDER: 1.0x
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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.