SOURCE: distributer and gap for 1990 Chevy Suburban
Gap is .045
Firing order is 1-8-4-3-6-5-7-2
1-3-5-7 is on the driver's side
2-4-6-8 is on the passengers side
SOURCE: replacing spark plugs on a 2004 chevy malibu
2.2L Engine
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.
To install:
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.
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