Car Problem Reports

Ford F-150 Heritage TSB For Possible Ejection of Spark Plug From Cylinder Head

Ford F-150 Heritage Problem
1 Report
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Model Year Affected: 2004

Engine Affected: V8


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.

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