What build date did Ford add threads?
According to this TSB the problem goes thru '07
5.4L 2V AND 6.8L 2V MODULAR ENGINE SPARK TSB 07-15-2
PLUG THREAD OUT OF WARRANTY REPAIR
PROCEDURE FOR ALUMINUM HEADS
FORD: 1998-2004 F-53 Motorhome Chassis,
F-Super Duty
1997-2000 F-250 Light Duty
2001-2005 Excursion
1997-2003 F-150
1997-2004 Expedition LINCOLN:
1997-2007 E-Series 1998-1999 Navigator
ISSUE NOTE
Various 1997-2007 vehicles with a 5.4L 2V, or 6.8L THIS PROCEDURE IS NOT AUTHORIZED FOR
2V engine with stripped or missing spark plug port WARRANTY REPAIRS AND IS THE ONLY FORD
threads in modular engine aluminum heads. Ford AUTHORIZED PROCEDURE FOR SPARK PLUG
Motor Company now authorizes LOCK-N-STITCH THREAD REPAIRS.
aluminum inserts and tool kit. WARRANTY STATUS: Information Only - Not
ACTION Warrantable
Follow the procedure included in the tool kit for
using the tools and inserts. Tool kits and inserts
can be ordered from Rotunda by calling
1-800-Rotunda (768-8632). Choose option two (2),
number 302-00001.
NOTE
FORD MOTOR COMPANY HAS DETERMINED
THAT REPAIRS MADE WITH THESE ALUMINUM
INSERTS AND LOCK-N-STITCH TOOLS DO NOT
AFFECT THE HEAT TRANSFER FUNCTION
BETWEEN THE SPARK PLUG AND THE
CYLINDER HEAD.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do
the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information that could assist in proper
vehicle service. The procedures should not be performed by “do-it-yourselfers”. Do not assume that a condition described affects your car or truck. Contact a
Ford, Lincoln, or Mercury dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation
determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.The information in this Technical Service Bulletin
(TSB) was current at the time of printing. Ford Motor Company reserves the right to supercede this information with updates.The most recent information is
available through Ford Motor Company’s on-line technical resources.
Copyright ã 2007 Ford Motor Company Online Publication Date July 18, 2007 PAGE 1
5.4L 2V AND 6.8L 2V MODULAR ENGINE SPARK TSB 07-15-2
PLUG THREAD OUT OF WARRANTY REPAIR
PROCEDURE FOR ALUMINUM HEADS
FORD: 1998-2004 F-53 Motorhome Chassis,
F-Super Duty
1997-2000 F-250 Light Duty
2001-2005 Excursion
1997-2003 F-150
1997-2004 Expedition LINCOLN:
1997-2007 E-Series 1998-1999 Navigator
ISSUE NOTE
Various 1997-2007 vehicles with a 5.4L 2V, or 6.8L THIS PROCEDURE IS NOT AUTHORIZED FOR
2V engine with stripped or missing spark plug port WARRANTY REPAIRS AND IS THE ONLY FORD
threads in modular engine aluminum heads. Ford AUTHORIZED PROCEDURE FOR SPARK PLUG
Motor Company now authorizes LOCK-N-STITCH THREAD REPAIRS.
aluminum inserts and tool kit. WARRANTY STATUS: Information Only - Not
ACTION Warrantable
Follow the procedure included in the tool kit for
using the tools and inserts. Tool kits and inserts
can be ordered from Rotunda by calling
1-800-Rotunda (768-8632). Choose option two (2),
number 302-00001.
NOTE
FORD MOTOR COMPANY HAS DETERMINED
THAT REPAIRS MADE WITH THESE ALUMINUM
INSERTS AND LOCK-N-STITCH TOOLS DO NOT
AFFECT THE HEAT TRANSFER FUNCTION
BETWEEN THE SPARK PLUG AND THE
CYLINDER HEAD.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do
the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information that could assist in proper
vehicle service. The procedures should not be performed by “do-it-yourselfers”. Do not assume that a condition described affects your car or truck. Contact a
Ford, Lincoln, or Mercury dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation
determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.The information in this Technical Service Bulletin
(TSB) was current at the time of printing. Ford Motor Company reserves the right to supercede this information with updates.The most recent information is
available through Ford Motor Company’s on-line technical resources.
Copyright ã 2007 Ford Motor Company Online Publication Date July 18, 2007 PAGE 1


