Five Hundred 2WD V6-3.0L VIN 1 (2006)
5. CAUTION: The catalytic converter nuts must be tightened as indicated to maintain correct exhaust system sealing and to prevent damage to the
exhaust flanges.
Remove and discard the 2 lower catalytic converter nuts and remove the front or rear catalytic converter.
^
To install, use a new gasket and alternately tighten the catalytic converter nuts while keeping the exhaust flanges parallel to one another.
Tighten to 40 Nm (30 ft. lbs.).
6. If removing the front catalytic converter, inspect the bracket clamp and install a new clamp if necessary.
^
Tighten the clamp bolt to 40 Nm (30 ft. lbs.).
7. NOTE: Apply anti-seize lubricant to the catalyst monitor sensor threads before installation.
If installing a new catalytic converter, remove the catalyst monitor sensor.
^
To install, tighten to 47 Nm (35 ft. lbs.).
8. NOTE: Clean the mating surfaces of the exhaust system connections.
To install, reverse the removal procedure.
^
Always install new gaskets and exhaust fasteners.
