Fulltext TSBs

Technical Service Bulletins

TSB
05-5-4
  • USE OF STAINLESS STEEL EXHAUST STUDS IN SERVICE FOR 5.4L 2V ENGINE
Publication Date: March 2, 2005

FORD:
1997-2004 Expedition, F-150
1999-2004 F-Super Duty
1999-2005 E-Series
LINCOLN:
1998-1999 Navigator

ISSUE:

Some vehicles equipped with the 5.4L 2-valve (non supercharged) engine, may exhibit broken exhaust manifold studs.

ACTION:

On the affected bank only, replace the exhaust manifold, manifold gasket(s), and install all new stainless steel exhaust manifold studs and nuts. Torque the studs in the cylinder head to 71-115 lb-in (8-13 N-m). Torque nuts on studs to 204-239 lb-in (23-27 N-m). Refer to Workshop Manual Section 313-01A for exhaust manifold removal and installation.


PART NUMBERPART NAME
W703902-S403Stainless Steel Stud
W701706-S2Stainless Steel Nut

WARRANTY STATUS:

Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage

DEALER CODING

BASIC PART NO.CONDITION CODE
943024