Ac delco iridium spark plugs manual#
Refer to your owner’s manual or contact your vehicle’s manufacturer for more information.Ī: Yes. ACDelco Professional Glow Plugs are specially designed to give diesel engines the heat they need for their cold starts. Diesel engines require glow plugs because diesel engines operate differently than gas engines. Q: Does a diesel engine require a different type of plug than a gas engine?Ī: Yes. It is okay to replace one spark plug if it is fouled or damaged prior to scheduled maintenance, provided the source of the damage is found and corrected.
Q: Should I change all of my vehicle’s spark plugs at the same time?Ī: Yes, if it is the scheduled time for spark plug replacement. Refer to your owner’s manual or contact your vehicle’s manufacturer for more information. Q: Is there a recommended interval for changing my vehicle’s spark plugs?Ī: Yes, this interval depends on what type of spark plug your vehicle requires.
Ac delco iridium spark plugs install#
Install spark plugs or glow plugs to the proper torque per the manufacturers’ specification.Replace any incorrectly gapped ACDelco Professional Iridium Spark Plugs with plugs that are correctly gapped. Never attempt to gap an ACDelco Professional Iridium Spark Plug. NOTE: ACDelco Professional Iridium Spark Plugs are pre-gapped during manufacturing. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap.This grease also promotes a good heat transfer between the spark terminal screw and boot terminal. Apply dielectric grease into the boot area to reduce the chance of exterior tracking on the buttress tower of the spark plug.This will help identify and relate any unusual condition to the cylinder involved. Remove each spark plug and place each one in a tray by cylinder number.The heat of the engine, in combination with a spark plug that is still hot, may cause the spark plug threads to strip the cylinder head upon removal. Use the correct deep socket size to loosen each spark plug one or two turns. NOTE: To remove spark plugs from aluminum heads, allow the engine to cool.CAUTION: Use goggles to protect eyes from debris when applying compressed air to spark plug wells. Brush or air blast dirt away from the well areas before removing spark plugs.DO NOT grab or violently pull spark plug cables. If necessary, use a spark plug boot removing tool. Pull the spark plug boot and cable away from the spark plug. Grasp the spark plug boot and gently rotate it 90 degrees counterclockwise.Follow these steps to remove spark plugs for inspection, servicing or replacement: Visually inspect spark plugs for signs of wear.
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