mr_wright1911

'96 Altima

I have both gaskets for the valve cover one for the spark plugs and the other for the valve cover. I broke the bolt on top adjacent to the #2 Spark plug where I detected a small leak. Can this be replaced when I take the Valve cover off. Also should I drain the oil before or after replacing the gaskets.

KA24Tech

You can replace the stud once the valve cover is off. Before you start go buy a new one from your Nissan dealer.
After the mating surface is clean take out the rubber "half moons" and the exhaust camshaft cap, clean them up and reseal them with a thin coat of sealant. You don't need any other sealant on the gaskets
Remember the nuts on the valve cover are initially torqued from the center in a spiral direction out to the ends to 35 in/lbs and then doing the final torque in the same sequence to 69 - 95 in/lbs.

I would change your oil afterwards.

Troy

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SHIFT_Happiness
1992 S13 240SX SE Fastback KA24DE 5 spd - Type X Aero & Seibon Carbon Hood & Hatch -soon GT28RS
1993 U13 Altima SE KA24DET 5 spd w/ Nismo LSD - A high hp FWD can be fun (GT30R Turbo inside)
1990 Z32 300ZX VG30DETT 5 spd - 600HP & Very Civilized (working on twin GT28RS turbos)
Still trying to import a 1988 R31 Skyline GTS-R w/ RB20DET-R - only 800 produced (legal under show/display regs)