engine
Exhaust Manifold Torque Specs
for 1998 Ford F-150 5.4L V8 Triton · 4WD
Units
12 fasteners
Seq
Component
Torque
Angle
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EGR Tube Fitting
Critical35 lb-ft · 47 Nm
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EGR Tube Fitting
Critical35 lb-ft · 47 Nm
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Exhaust Manifold Nuts
CriticalApply anti-seize
25 lb-ft · 34 Nm
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Exhaust Manifold Nuts
CriticalApply anti-seize
25 lb-ft · 34 Nm
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—
Exhaust Manifold Stud Nut✓ Verified
CriticalTighten in sequence (center out). Re-check after heat cycle if possible.
18 lb-ft · 25 Nm
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Exhaust Manifold Stud Nut✓ Verified
CriticalTighten in sequence (center out). Re-check after heat cycle if possible.
18 lb-ft · 25 Nm
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Hanger Bolts
19 lb-ft · 25 Nm
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Hanger Bolts
19 lb-ft · 25 Nm
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Heat Shield Bolts
10 lb-ft · 14 Nm
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Heat Shield Bolts
10 lb-ft · 14 Nm
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O2 Sensor
CriticalApply anti-seize to threads
35 lb-ft · 47 Nm
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O2 Sensor
CriticalApply anti-seize to threads
35 lb-ft · 47 Nm
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