How Many Kilometers Should a Malibu's Spark Plugs Be Replaced?

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Malibu's spark plugs need to be replaced every 30,000 kilometers. The precautions for replacing spark plugs are as follows: Prevent Foreign Objects from Falling into the Cylinder: To prevent excessive dust from falling into the cylinder, clean the dust around the cylinder wires before replacement. When removing the spark plugs, be extra cautious to avoid screws, small nuts, sand, or other foreign objects from entering the cylinder. If any hard objects enter unnoticed, it can cause severe damage to the piston and cylinder walls, potentially leading to engine failure. Replace Spark Plugs When the Engine Is Cold: Always remove and install spark plugs when the engine is cold. When the engine is hot, the spark plugs expand, making the bolts and threads tightly bonded. Replacing spark plugs on a hot engine can easily cause thread stripping or breakage. Replacing them when the engine is cold is easier and reduces the risk of thread damage. If the threads are stripped, it can be troublesome and may require cylinder head removal, increasing costs. Avoid Damaging the High-Voltage Wires: When removing spark plugs, first disconnect the high-voltage wires. Some car models have very tightly fitted high-voltage wires, so patience is key during removal. Gently wiggle the wires side to side or up and down if necessary, avoiding excessive force to prevent breaking the wires. When reconnecting the high-voltage wires, ensure they are fully inserted. Always use the appropriate socket wrench for spark plug removal and installation, and keep the wrench aligned to avoid damaging the insulating ceramic.