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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 05-17-2003, 06:40 PM   #1
Jsquared
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SR timing chain cover? help!

OK, I don't have an FSM, and I need to know what to do about my timing chain. The cam sprocket punch marks are 4 links "behind" the shiny links (e.g. shiny link is "zero" counting to the left looking at the front of the engine, the punch mark lines up with the 4th link on both intake and exhaust camshafts). the crank pulley has 6 markings on it that line up in the general area of that indicator that sticks out above it. I am thinking two things, either:
A) jumped timing, need new chain and such
B) timing is fine, just the chain is a little out of position (e.g. everything is timed correctly, but the shiny links are ALL 4 links away from the punch marks)

i need to get the chain cover off, i got all the bolts removed on the chain cover, and it looks like there are two vertical bolts that are removed from the top, but one is blocked by the exhaust cam sprockt "extension" (gear that turns CAS).

someone please let me know how to get this cover off so i can see if my timing chain is OK or not.


thanks,
JJ

P.S. S13 redtop SR
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Old 05-17-2003, 07:18 PM   #2
oberkill
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Keep spinning it around. The shiney links will eventually line up. If you want to remove the front cover you will need to remove the 2 bolts in the top (use a small "bendable" extension to get to the one under the cam),you will have to remove 2 bolts in the same spot from underneath as well. To get to the bottom one you have to remove the oil pan, oil pickup, and any baffles that are in the way. You will probably have to loosed the upper pan as well to get the front cover off and back on. It does not sit flush with the lip of the upper pan, the piece where the oil pickup attaches to the oil pump extends below about 1/2 and inch or so. If the engine is not in the car this is not too hard but if it is in the car is alot harder. Basically this isnt a super easy thing to do so be careful and use the FSM if you are going to do it.

Alan
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