F 150 2WD V8-5.4L Flex Fuel (2008)
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Verify the RH catalytic converter (crossover pipe) is still aligned to the transmission crossmember. Realign as necessary.
15. NOTE: 4.6L and 5.4L shown, 4.2L similar.
Tighten the LH catalytic converter-to-exhaust manifold nuts in the following sequence.
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Tighten the lower nut to 20 Nm (15 lb-ft).
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Tighten the upper nut to 40 Nm (30 lb-ft).
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Tighten the lower nut to 40 Nm (30 lb-ft).
16. NOTE: 4.6L and 5.4L shown, 4.2L similar.
Tighten the RH catalytic converter-to-exhaust manifold nuts in the following sequence.
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Tighten the lower nut to 20 Nm (15 lb-ft).
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Tighten the upper nut to 40 Nm (30 lb-ft).
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Tighten the lower nut to 40 Nm (30 lb-ft).
17. Verify the gap between the RH catalytic converter-to-exhaust intermediate pipe is within specification. The maximum allowable gap is 5 mm (0.20
inch).
