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Home >> Ford >> 2005 >> Escape Hybrid, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 745 (Engine Ignition System - 4.2L - F-150) >> Removal And Installation >> Spark Plugs >> Removal And Installation

Removal And Installation

WARNING: This page is about a different car, the 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Spark plug wires must be connected in the correct firing order.
CAUTION: It is important to twist the spark plug wire boots while pulling upward to avoid possible damage to the spark plug wire.
Fig 1: Pulling Spark Plug Wire Off Spark Plug
G03948432Courtesy of FORD MOTOR CO.
  1. Using the special tool, with a twisting motion pull the spark plug wire off the spark plug.
  2. NOTE: Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs.
  3. Remove the spark plug.
    • To install, tighten to 15 N.m (11 lb-ft).
  4. Inspect the spark plug firing tip. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
  5. Adjust the spark plug gap as necessary.
  6. Fig 2: Identifying Spark Plug Gap
    GF0002887Courtesy of FORD MOTOR CO.
    NOTE: Apply silicone brake caliper grease and dielectric compound to the inside of the spark plug wire boots.
  7. To install, reverse the removal procedure.