Coolant leak from threaded plug below camshaft on Nissan Maxima

A coolant leak can develop from the front of the cylinder head that can appear to be a head gasket leak. There is a threaded plug just below the camshaft that may leak if there is corrosion present on the threads. Cleaning any residue, re-installing the plug with pipe thread (Teflon) tape, and torquing the plug to the specification typically repairs the leak.

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Average mileage: (–)
Engine affected: 3.0L V6 SOHC
2 model years affected: 1993, 1994
2 people reported this problem
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