Crown Victoria V8-281 4.6L SFI (1998)
Single Exhaust System - 4.6 L (2V) Engine (Part 2 Of 2)
7. Align the system to specification. Refer to applicable illustration.
8. With the system held to alignment specification:
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Make sure that the exhaust inlet pipe tab is fully engaged into the muffler alignment slot. Alternately tighten the muffler clamp nuts to 40-55
Nm (30-40 ft. lbs.).
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Tighten the exhaust outlet pipe frame bracket bolts to 17-23 Nm (13- 16 ft. lbs.), if required. Tighten the exhaust inlet pipe-to-three-way
catalytic converter flange retaining bolts to 34-46 Nm (26-33 ft. lbs.).
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Alternately tighten the RH and LH exhaust manifold nuts to 34-46 Nm (26-33 ft. lbs.).
NOTE: Alternate tightening of joint fasteners is required to provide uniform clamping in order to prevent joint distortion, a major cause of leaks
and system misalignment.
9. Remove alignment restraints and support wire.
10. Connect heated oxygen sensor electrical connectors.
11. Check the exhaust system for leaks and proper alignment.
12. Lower vehicle.
