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Home >> Lincoln >> 2001 >> Navigator 5.4 R, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 704 (Engine System-General Information) >> General Procedures >> Spark Plug Hole Thread Repair
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Spark Plug Hole Thread Repair

WARNING: This page is about a different car, the 2003 Lincoln Navigator and 2003 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
  1. There is no authorized repair for spark plug hole threads. If the threads are damaged, install a new cylinder head.