Spark Plugs: Installation

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, 2003 Buick Regal, and 2003 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.