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Old 04-24-2013, 09:55 AM   #11
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Not to rain on any parade but why is this here in the Georgetown motorhome forum?
I think this should be move to a more suitable location.
What do you think?
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Old 04-24-2013, 10:10 AM   #12
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Quote:
Originally Posted by Iggy View Post
Not to rain on any parade but why is this here in the Georgetown motorhome forum?
I think this should be move to a more suitable location.
What do you think?
Might be mopargilly,has a v.10 in there Georgetown mh ? Juz say'n. truck reference,was the only experience I could share. Really ?
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Old 04-25-2013, 08:04 PM   #13
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Sorry if this is in the wrong section I have a 2003 v-10 georgetown and know of people who have had this happen with as little as 40,000 miles just asking if any motorhome owners have suffered this?
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Old 04-25-2013, 09:39 PM   #14
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Quote:
Originally Posted by mopargilley View Post
Sorry if this is in the wrong section I have a 2003 v-10 georgetown and know of people who have had this happen with as little as 40,000 miles just asking if any motorhome owners have suffered this?

This is this the first I have heard about this here on this forum with Ford engine.
Do you have any information why it happens?
Seems it happens to lots of vehicles as other have mentionsed.
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Old 04-25-2013, 10:55 PM   #15
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Heads only have 4 threads for the sparkplug to screw into.
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Old 04-26-2013, 12:03 AM   #16
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Here's some interesting info from Ford Truck Enthusiasts Forums from 2010.

Copied from
TECH folder - Ford Truck Enthusiasts Forums

Topic #4

"Spark plug thread and factory procedure changes.

After much hemming and hawing, I have decided to put this info in the tech folder. This is from a document that Ford provided to the NHTSA a few years back in 2005 in response to an investigation that was closed by the NHTSA because it was not deemed a "safety" issue. It was reviewed again in 2007 and again deemed to not be a safety issue because of the number of complains (total of 652 by 2007) versus the number of engines total (over 10,000,000).

My review of documents related to this (which I won't include here) show that after the model-year 2002 changes to a long-thread head, the 2003-2004 model-year shows a substantial reduction in plug blowouts. Of 652 complaints, NONE were shown to cause any damage to the hood, cause a fire, or a gas leak of any kind. Stalling was possible but again in very rare cases, and a restart was usually possible except in ONE case.

Running spark plug changes:

December 1996 - 4.6L 4V alignment feature added
February 1997 - 4.6L 2V head alignment feature added
September 2000 - WEP (Windsor Engine Plant) 2V head alignment feature modified (4.6/5.4/6.8)
November 2002 - WEP introduced long thread heads on 2V (all)
May 2003 - REP (Romeo Engine Plant) introduced long-thread heads on 4V 4.6 and 5.4
November 2003 - REP introduced long-thread heads on 2V and modified alignment feature

In 1999, and 2001, an interim fix was done for a cross-threading issue.
Original process:

Step 1 - Zero torque spark plug (air tool)
Step 2 - Torque to 16-20Nm final torque (DC Run down), monitor at 6-12Nm, and final torque must be reached within 0-360 degrees.

New process (addressed the possibility of applying installation torque for more than 25 degrees of rotation)
Step 1 - Zero torque spark plug (air tool)
Step 2 - Torque to 16-20Nm final torque (DC Run down) start monitor at 6-12Nm, and final torque must be reached within 3-25 degrees."

Additional V10 information:
From YouTube: 2004 to 2008 spark plug removal and install
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Old 04-26-2013, 01:09 AM   #17
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Thanks abjb for the videos.
Very informative
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Old 04-26-2013, 05:59 AM   #18
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Was common in the early 6.8/5.4 years.Got better in about 04-05. We had a few cars in the last 2 years with the 4.6 blowing a plug out also.
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