Grand Marquis V8-4.6L VIN V Flex Fuel (2006)
12. Connect the RH catalyst monitor connector.
13. Install a new gasket and position the LH catalytic converter assembly in place. Loosely install the bolts. Do not tighten the bolts at this time.
14. Install the LH exhaust flange nuts.
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Tighten to 40 Nm (30 ft. lbs.).
15. Tighten the LH exhaust bolts.
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Tighten to 40 Nm (30 ft. lbs.).