Town Car V8-4.6L (2008)
3. NOTE: If necessary, lubricate the catalyst monitor sensor with penetrating and lock lubricant to aid in removal.
Using the special tool, remove the LH or RH catalyst monitor sensor as necessary.
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To install, tighten to 40 Nm (30 lb-ft).
4. To install, reverse the removal procedure.
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Apply a light coat of anti-seize lubricant to the threads of the catalyst monitor sensor.