LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2021 >> Compass Trailhawk >> Repair and Diagnosis >> Engine Performance >> Ignition System (Service Information) >> Spark Plug >> Removal And Installation >> 2.4L >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal And Installation: 2.4L: Installation

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.

  1. Using the appropriate socket, install the spark plug to the cylinder head and tighten to the proper torque specification. Refer to TECHNICAL SPECIFICATIONS .
  2. Install the ignition coil. Refer to COIL, IGNITION, REMOVAL AND INSTALLATION .
  3. Install the engine cover. Refer to COVER, ENGINE, REMOVAL AND INSTALLATION or COVER, ENGINE, REMOVAL AND INSTALLATION or COVER, ENGINE, REMOVAL AND INSTALLATION .
  4. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.