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Home >> Hummer >> 2004 >> H2 4D Utility Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Engine Controls - Removal & Installation) >> Ignition Systems >> Spark Plugs >> Installation
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Spark Plugs: Installation

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Gap the spark plug to 0.045" (1.14 mm), using round wire type spark plug gap gauge.
    2. CAUTION: DO NOT coat the spark plugs with anti seize compound. Over torquing could occur and damage to the cylinder head threads may result.
  2. Install the spark plugs using appropriate spark plug socket. Tighten the spark plugs to specification. See TORQUE SPECIFICATIONS .
  3. Install the ignition coil housing. See IGNITION COIL HOUSING .
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