1999 Ford Expedition spark plug

Tiny
CHRISIVY
  • MEMBER
  • 1999 FORD EXPEDITION
  • V8
  • AWD
  • AUTOMATIC
  • 14,500 MILES
Is there a way to repair a spark plug that has a cross-thread bolt without taking it out at the head. If not about how much would it costs if it does have to be taken out at the head?
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Thursday, August 21st, 2008 AT 4:08 PM

3 Replies

Tiny
TURNEDWRENCH
  • MEMBER
It is possible to fix it without removing the head if it is one the front 4 cyls. I do not recommend fixing these heads though. I'm assuming the engine is either the 4.6 or 5.4 modular engine. These engine are infamous for blowing plugs out of the heads, and with a repaired plug hole you are upping the chance of this happening. I recommend replacing the head with a re manufactured one.
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Tuesday, September 16th, 2008 AT 7:21 PM
Tiny
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Wednesday, September 17th, 2008 AT 12:47 AM
Tiny
CHRISIVY
  • MEMBER
Thanks for the info, but I got my problem solved about two weeks ago. I don't know where the mechanic got the idea that the spark plug was or hole was stripped. It was just stuck and needed a little time and patience. I got in touch with a reliable "shadetree". He took out the #4 sparkplug and replaced that coil and the # 2 coil which he discovered was also going bad. It was a for hr job and he charged me $90.
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Wednesday, September 17th, 2008 AT 12:55 AM

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