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Spark Plugs: Installation

Check for the correct spark plug gap and adjust as necessary. See SPARK PLUGS under IGNITION SYSTEMS in SERVICE & ADJUSTMENT SPECIFICATIONS - 2.0L & 2.5L Tracker article. Tighten the spark plug to specification. See TORQUE SPECIFICATIONS . Install the ignition coil to each spark plug. Secure with the bolt. Tighten the ignition coil bolts to specification. Connect the ignition coil electrical connectors (1). See Fig 1

Fig 1: Removing/installing Spark Plugs (2.0L)
G00209082Courtesy of GENERAL MOTORS CORP.


  1. Check for the correct spark plug gap and adjust as necessary. See SPARK PLUGS under IGNITION SYSTEMS in SERVICE & ADJUSTMENT SPECIFICATIONS - 2.0L & 2.5L Tracker article. Install the spark plugs (3) into the cylinder head. See Fig 1. Tighten the spark plugs to specification. See TORQUE SPECIFICATIONS 
  2. Install the ignition coil (2) to each spark plug and secure with the bolt (1). Tighten the ignition coil bolts to specification. Connect the ignition coil electrical connectors. Install the ignition coil cover to the valve cover. Tighten screws to specification.
Fig 1: Removing/Installing Spark Plugs (2.5L)
G00209083Courtesy of GENERAL MOTORS CORP.
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