Replacing timing chain need to know the exact timing marks
I can't remember if the j21 has a single or twin cams, but here is a solution if you haven't taken the old timing chain off yet.
Take off the timing cover and the camshaft cover. Remove all spark plugs. Place a wire (welding rod or a piece of an old wire coat hanger) into the n;umber one plug hole - this is the plug for no. 1 cylinder, the cylinder nearest the radiator.
Turn the engine until the exhaust valve just closes and the intake valve just opens. This is referred to as the valves "rocking". At this point the wire should be right at the top of the piston stroke, and the number one piston is timed to take in gas on the down stroke, that is, the intake stroke.
At this point you should see the timing marks on the timing gears and their relationship to one another. The marks are either dots on the gear teeth, or marks on the camshaft which line up with marks on the cylinder head. These marks line up when the crankshaft is at top dead center, which is the position you turned the crank to while feeling the position of the piston with the wire.
I wish you well, good luck.
SOURCE: out time
check to see if there are indents on the edges of the sprokets that would indicate your timing mark
SOURCE: 1995 nissan pickup 4 cylinder timing chain - 256k miles
did u recently buy it used-mite of been already done--how r the other components enginewise-its an old car n theyll be more things--but if u luv it then get a haynes repair manual at the zone
SOURCE: timing chain
seek a cheap manuel-haynes or chiltons $20-25 to get step by step procedures. get them at auto zone or popular auto parts places. The preocedure has many steps. I am a seasoned mechanic and still get the cheap manuels to get proper timing chain position on the gears.
SOURCE: nissan navara timing chain marks
I have a Nissan Nivara With the Z24 motor Fitting a new timing chain sprokets guides and adjuster Where does the camshaft numbers 1 2 and3 go
SOURCE: I need to know how
I really hope you know what you're getting into.....Big & detailed job. I went on and posted the instructions as far as removal and installation of the timing chain. There is a whole other section that you need as far as removing the oil pan and strainer but way to much to post on here at this point. Anyhow, it's a 2 piece oil pan and just to let you know alot of the parts like the timing chain cover, oil pan, the cover on the timing chain cover does not have gaskets and Nissan doesn't either. You have to use some RTV and don't go cheap, get the good stuff because all the work that is involved in this you don't want to have to repeat because of a leak. Also the oil pump is in the timing chain cover and Nissan has had some problems in the past with them. I would suggest going online and finding a new oil pump that comes pre-installed in a new timing chain cover. You can pick the whole assembly including the cover for about $150.00 and worth it. Wish you were here I have one ready to go. Anyhow, email me at [email protected] and what I can do is send you the engine management section of my service manual in a PDF so you have the info on the oil pan removal.....You need it. It will also have all the stuff I am posting below so you can make it big enough to see or even print out if need be and no there isn't a cost for it. I'm in a good mood....lol. I hope this helps. Here is the timing chain instructions for you.
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