Installation Procedure

WARNING: This page is about a different car, the 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

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).

Fig 1: Identifying Spark Plugs

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NOTE: Refer to Fastener Notice .

IMPORTANT: DO NOT coat the spark plugs with anti-seize compound. Over torquing could occur and damage to the cylinder head threads may result.

Install the spark plugs with a spark plug socket.
Tighten: Tighten the spark plugs to 20 N.m (15 lb ft).
Install the ignition coils. Refer to Ignition Coil Replacement .