Buick 12579355 Wire Assembly, Ignition Coil

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If replacement is necessary, obtain a new set tailored to your engine model, and replace the wires one at a time to avoid firing order mix-ups. Pay close attention to the wire routing, and on V6 engines, release the ignition wire loom clamps to swap the wires before securing the clamps onto the new wires.

If replacement is necessary, obtain a new set tailored to your engine model, and replace the wires one at a time to avoid firing order mix-ups. Pay close attention to the wire routing, and on V6 engines, release the ignition wire loom clamps to swap the wires before securing the clamps onto the new wires.

If replacement is necessary, obtain a new set tailored to your engine model, and replace the wires one at a time to avoid firing order mix-ups. Pay close attention to the wire routing, and on V6 engines, release the ignition wire loom clamps to swap the wires before securing the clamps onto the new wires.

Perform a visual inspection of the spark plug wires while the engine is running in a well-ventilated, dimly lit area. Carefully observe each plug wire for any signs of arcing or sparking at damaged areas.

To ensure the proper functioning of spark plug wires, they should be regularly inspected at recommended intervals and whenever new spark plugs are installed in the engine. V6 engines are equipped with spark plug wires that run from the spark plugs to an ignition coil assembly, while V8 engines have individual coils for each cylinder with short plug wires connecting to the corresponding spark plug. To begin, perform a visual inspection of the spark plug wires while the engine is running in a well-ventilated, dimly lit area. Carefully observe each plug wire for any signs of arcing or sparking at damaged areas. If arcing is detected, it indicates a break in the wire, necessitating the replacement of the wires. When the engine is turned off, disconnect a plug wire from one spark plug by gently twisting and pulling on the rubber boot, avoiding contact with moving engine parts. Check inside the boot for corrosion, which appears as a white crusty powder. Reattach the wire securely to the spark plug, ensuring a tight fit. Clean the entire wire length with a rag, inspect for damage, and refrain from excessive bending to prevent conductor breakage. For V6 engines, disconnect the wire from the ignition coil assembly in a similar manner, inspect for corrosion, and ensure a secure fit before reattaching it. Repeat these checks for the remaining spark plug wires, confirming they are firmly attached at both ends. If replacement is necessary, obtain a new set tailored to your engine model, and replace the wires one at a time to avoid firing order mix-ups. Pay close attention to the wire routing, and on V6 engines, release the ignition wire loom clamps to swap the wires before securing the clamps onto the new wires.

Spark plug wires should be regularly inspected to ensure their proper functioning.