Buick 12036928 Wire, Spk Plg

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The spark plug wires should be checked at the recommended intervals or whenever new spark plugs are installed. To inspect the wires, disconnect one wire at a time from the spark plug, either using a removal tool or by twisting and pulling the rubber boot. Avoid pulling on the wire itself. Check inside the boot for corrosion, which appears as a white, crusty powder. Make sure the wire and boot fit tightly onto the spark plug. If not, crimp the metal connector inside the boot with pliers. Clean the entire length of the wire with a rag, removing dirt and grease, and inspect for burns, cracks, or other damage. Bend the wires to ensure the inside wire is still conductive. Check the wires at the distributor in the same manner as the spark plugs. Reinstall each wire securely at the distributor and spark plug. For a visual check, start the engine in a darkened garage with ventilation and observe each wire for arcing or sparks indicating a break or fault. If replacement is necessary, purchase a new set specific to your engine model and replace each wire individually to maintain the firing sequence.

Reinstall each wire securely at the distributor and spark plug.

Check the wires at the distributor in the same manner as the spark plugs.