A Spark Plug Could Blow Out of Cylinder Head on Ford Excursion
Problem overview
There is a technical service bulletin for the V8 engines regarding a possible problem with the spark plug being ejected from the cylinder head, damaging the threads in the spark plug hole. If the vehicle is under warranty, cylinder head replacement is recommended. If the vehicle is out of warranty, Ford authorized the use of a specific thread insert to repair the head.
67 people reported this problem
42 commentsFord Excursion vehicles with this problem
Average mileage: 175,972 miles
(76,000 - 298,305)
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