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Home >> Jeep >> 2022 >> Cherokee X >> Repair and Diagnosis >> Engine Performance >> 3.2L Ignition System (Service Information) >> Spark Plug >> Installation >> 2.4L
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Spark Plug: Installation: 2.4L

CAUTION:

Handle the spark plugs with care. Do not drop or force the spark plugs into the wells, damage to the electrodes or porcelain body may occur. Always start each spark plug by hand in order to avoid cross-threading the spark plug in the cylinder head.

Always tighten spark plugs to the specified torque. Too much or not enough torque will cause damage to the cylinder head or spark plug and may lead to poor engine performance.

GC0168977Courtesy of CHRYSLER GROUP, LLC
  1. Check and adjust the spark plug gap with a gap gauging tool (1). .
    GC0082372Courtesy of CHRYSLER GROUP, LLC
  2. Install each spark plug to the cylinder head. Tighten to the proper specifications. .
  3. Install the ignition coils.
  4. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector to the negative battery cable.
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