Question about 2003 Chevrolet Malibu
Your owners manual shows .060 spark plug gap.
Different spark plug manufacturers may list different gap specs.
If you don't have an owners manual you can read it online.
Posted on Dec 14, 2016
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Posted on Jan 02, 2017
SOURCE: spark plug gap
Notice: This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.
Gap the spark plug, using round wire type spark plug gap gage.
Gap Adjust the spark plug gap to 1.14 mm (0.045 in).
DO NOT coat the spark plugs with anti seize compound. Over torquing could occur and damage to the cylinder head threads may result.
If your going to use Platnum plugs, DO NOT GAP them. Just check the gap and if there not the right gap, ask for new one's with the right gap.
The metal on the PLatnum plugs, are harder and my break apart in the cylinder .
Good luck and hope this helps
Posted on May 02, 2009
Allow the engine to cool before removing the spark plugs. Attempting to remove spark plugs from a hot engine can cause the spark plugs to seize. This can damage the cylinder head threads. Clean the spark plug recess area before removing the spark plug. Failure to do so can result in engine damage due to dirt or foreign material entering the cylinder head, or in contamination of the cylinder head threads. Contaminated threads may prevent proper seating of the new spark plug. Use only the spark plugs specified for use in the vehicle. Do not install spark plugs that are either hotter or colder than those specified for the vehicle. Installing spark plugs of another type can severely damage the engine.
WARNING Do not coat spark plug threads with anti-seize compound. If anti-seize compound is used and spark plugs are over-torqued, damage to the cylinder head threads may result.
Posted on Oct 07, 2009
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