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Home >> Mercury >> 2011 >> Milan Base, Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Ignition - 2.5L >> Removal And Installation >> Ignition Coil-On-Plug >> Removal and Installation

Removal and Installation

  1. Disconnect the 4 ignition coil-on-plug electrical connectors.
  2. NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.
  3. Remove the 4 bolts and the ignition coil-on-plugs.
    • To install, tighten to 10 Nm (89 lb-in).
  4. Inspect the ignition coil-on-plug boots for rips, nicks or tears. Remove and discard any damaged ignition coil-on-plug boots.
    • To install, slide the new coil-on-boot onto the coil until fully seated at the top of the coil.
  5. To install, reverse the removal procedure.
    • Apply a small amount of dielectric grease to the inside of the ignition coil-on-plug boots before attaching to the spark plugs.