Question about 2002 Nissan Altima
You need to replace spark pulg well gaskets. Unfortunately, on 2002- 2006 model you'll have to replace the whole valve cover in order to do that. You'll need to replace valve cover gasket as well.
Check out this video for complete guitde how to do it:
Posted on Jan 29, 2014
Yes, you need a Rocker cover (valve cover) Gasket kit. Remove the valve cover, remove all old O-rings and cover gasket, clean grooves and mating surfaces without gouging or scratching them, put the new gaskets on as per factory recommendations, tighten to the proper torque and you're done. The spark plug holes in the cover are part of the valve cover gasket kit. Any Napa, Car Quest, Pep Boys, Auto Zone will have it.
Posted on Oct 03, 2010
Spark plug tube seals 2.5L 2002 Nissan
Called the auto parts stores they all claimed they could get the seals, but weren't able to get a part # to order them & they also didn't come with the valve cover gasket. Called the Nissan dealer they said the seal were not a replacement item, but came new with a new valve cover that was $80+.
I removed the old seals & I found a seal that would work a National# 471270 @ $5 per seal X 4.
Posted on Sep 14, 2011
Valve Cover Gasket Set,yours seals will be part of it
Look at a picture on NAPA.com etc
Posted on Oct 03, 2010
The tube seals are not available, you have to buy a new valve cover assy.
Posted on Oct 17, 2015
HI IT IS A FULL TOP END GASKET KIT U NEED. VALVE STEAM OIL SEAL KIT. SET OF SPARK PLUGS. THEN THE HARD PART OF WITH THE CYLINDER HEAD .THEN VALVE SPRING COMPRESORS TO REMOVE THE VALVES. THEN D COKE THE CYLINDER HEAD I PREFER TO USE PAREFON. THE REGRIND THE VALVES WITH VAVLE PASTE BACK INTO THE VAVLE SEATS ON THE CYLINDER HEAD AND START TO ADD YOUR NEW SEALS AND SO ON AND SO ON. JUST WORK YOUR WAY BACK COMPRESS THE VALVES BACK INTO CYLINDER HEAD REMEMBER ALL YOUR SHIMS AND CUPS ARE ALL PUT BACK IN PLACE AND YOU CAN START TO PUT THE HEAD BACK TOGETHER USING TIMING MARKS AND SO ON AND YOUR TRUSTY MANUAL AS IT WILL BE NEEDED . AND A TUBE OF RED GASKET SEALER HOPE THIS WILL HELP IT SOUNDS A BIG JOB BUT AS LONG AS YOU HAVE THE MANUAL FOR ALL THE SETTINGS YOU SHOULD BE FINE
Posted on Apr 19, 2012
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Posted on Jan 02, 2017
SOURCE: ON 2002 ALTIMA 2.5 I FOUND OIL
I would try snugging down all the valve cover bolts before replacing anything. A valve cover gasket kit should have the grommets and gaskets necessary to repair this if you find no loose bolts.
Posted on Sep 27, 2009
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