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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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#1 |
Zilvia Junkie
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Please god help me. Im an idiot
Alright today I decided to change out my headgasket. Everything went good until I tried to put it to TDC. I could only find one shiny link after about 50 turns. Someone told me to just put any 2 on top with the dots and you should be fine. Not fine as I found out.
![]() Anyways I am trying to put everythng back together because I am too scared to move on but I cant get this sprocket back on. The longer cam is misaligned with the shorter one. To make matters worse I dont know how to put the timing chain tensioner back on. Please someone help me put this back together. I am never doing something like this again. I havent took out my cas yet so I think I am good. I started to take out the cam, but I never moved it. Can someone tell me how to put the sprocket back on and how to get the tensioner back on. Thanks
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#3 |
Zilvia Junkie
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Oh sorry sr20det s13 kouki. I think I got the sprockets lined up on the chain right, I just cant get the tensioner in. The dots seem to have moved a little bit, but everything still looks like it is in the right place. Im matching it from my pics I took
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#4 |
Zilvia FREAK!
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ok, so u started to take it all apart and stopped halfway?
to get the tensioner in u have to compress it in a vise and use the little latch to lock it in place get an FSM and STUDY it.
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#6 |
Zilvia Junkie
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Ok nevermind I just went ahead and finished it up. Ill let you guys know when I put it back on tomorrow. Thanks for the help
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#7 |
Zilvia Junkie
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quick question. Is there anything on the back of the intake side of the engine that I need to take out? It doesnt seem like anything is there but I cant seem to take it out. Do I have to take out the hard water lines or anything?
![]() Hey guys I cant get this bolt out. Does anyone have any ideas? It is behind the engine, against the firewall, With no room. It is hitting my ac lines and I cant get a ratchet or anything on it because of the metal bent up by it. Do I have to bend the metal back?
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Thats what I said ![]() Last edited by moses; 12-17-2008 at 07:51 PM.. |
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#8 |
Zilvia Junkie
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Can you guys assure me on this?
Torque on cam caps is 8.7 foot pounds or 10 foot pounds Torque on the sprocket bolt is 94-101 foot pounds right. I am looking at a fsm Another thing. I just found a crack on my exaust cam. It is where the little piece sticks out for the sprocket. It does look like it goes all the way to the cam. Should I put it in?
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#9 |
Nissanaholic!
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That sounds right.
Those cam cap bolts are so weak tho. I snapped one. Just be careful. Use a smaller, more accurate torque wrench if necessary... or just tighten them by feel with a small ratchet. |
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#10 |
Post Whore!
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i wouldnt even use a tourque wrench on the cam shaft caps, I dont, and never had a problem.
I had a freind use one on them and snaped three of them off. use the German Tourqe spec = Good-en-tight Snug them good and they'll be fine
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#12 |
Zilvia Junkie
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Another problem.
The crank is on the second timing mark and I got 20 links in between dots on sprocket, 5 on intake side and 8 1/2 on exaust but I can not get the sprocket to sit flat because the pin wont line up. What does this mean and what can I do?
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#14 |
Leaky Injector
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![]() hehe that is funny/ well hey the best way to learn is to just do it. try going to www.shopkey5.com this may help you a little more.. the user name is UTIEXTON1 and the password is UTIExton1. make sure you type it in eactly as i told you> and another thing, listen to them about not using a torque wrench, and if you do be very careful bcus those bolts do break very easy!! then you'll asking god for new bolts hehe j/p :P
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#15 |
Zilvia Junkie
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what can I do in this situation
The links are all lining up and the motor is at top dead center. The left side has 5 links to the engine I know the exaust side is suppose to have 8 and a half and it only has 8 right now ![]() ![]() but the sprocket is not lined up with the cam because I cant pull the chain any more. What should I do?
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#17 | |
Zilvia FREAK!
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this is tough man try and get someone down there to fix it for you. sorry man
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#18 | |
Nissanaholic!
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Quote:
this is the worst advice ever always use a tq wrench follow the fsm, not the fools on here. |
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#19 |
Zilvia Junkie
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I have something that has been on my mind for a while now, since I havent been able to work on my car for this week. When I was at the shop picking up my head, the guy picked the head up to show me the bottom and a couple of the rocker and shim fell out. It look like he put them back in the same spot but I couldnt tell. I didnt even know those were shims and I dont think they did either since the only thing they see are v-8's but he said it was ok.
Should I worry about it on a stock head? What should I do?
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#20 | |
Zilvia FREAK!
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Quote:
What?! Dude, that fucking sucks. Those shims come in certain thicknesses and are NOT interchangeable. Technically, you need a special tool to figure out the correct thickness for all the shims. Also, the guides should be replaced whenever the head is taken off. Realistically speaking, you can probably get away with it. But honestly, I DON'T RECOMMEND IT. Those shims are very important to ensure proper performance of the valve train. You know the saying: Do it right, or do it twice. Good Luck! P.S. For anyone that's snapping bolts when using a torque wrench: YOU'RE DOING IT WRONG! Either the wrench is broken, you're using the wrong spec wrench, or you're not paying attention. The head contains a lot of vital moving parts with minimal tolerances. Do everyone a favor and USE A TORQUE WRENCH. |
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#21 |
Zilvia Junkie
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I guess there is not really much I can do, so I am going to just start it up and see what happens. I know it sounds really bad but I need my daily driver back and im not even sure if it fell out of place. So I guess just wish me luck, unless there is a eaiser way.
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#24 |
Zilvia Junkie
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I havent got to work on my car for the past week because I went home for vacation. I can not bolt the cam down and then get the chain on. So my plan is to put the sprocket on the cam, put the chain on the sprocket, then try to bolt down the cam. I ordered some JWT S3 cams but there not getting in for a while, but I will try it on my stock cams first.
Will I be able to tell if there is a problem with the shims if I hook everything up and turn the crank with a wrench?
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#25 | |
Zilvia Junkie
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Quote:
![]() ![]() ![]() Can you guys tell me if this is right? The motor is at TDC and there is really no more chain left to pull on each side. The tensioner is not in either.
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#26 |
Zilvia FREAK!
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No, it's not right. At least judging from the pictures your provided.
The silver and gold links are mating marks and need to line up with the marks on the cam sprockets. Honestly, I suggest paying a mechanic to finish this up for you. Or, at the very least, spring the money to buy a new camshaft to replace the old one. And read the FSM. Good Luck! |
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#27 |
Zilvia Junkie
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As far as the gold links go, I only had 1 on the whole chain, so I couldnt use them and I am replacing the cams. I just want to get them lined up. If I could find a mechanic to do it, I would.
I dont get the fsm since it is japenese, can I use a sr20de fsm?
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#29 |
Nissanaholic!
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there is only one gold link, that goes on the crank sprocket. there are 2 links that are a little darker silver than the rest, they may be hard to spot, but i guarantee they are there. they line up with the dots on the cam sprockets. all the "count this many links" is a shortcut so that you dont have to rotate your engine by hand 8 bajillion times to line it up, but i always line everything up 100% just to be sure...
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#30 |
Zilvia Junkie
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OK, the FSM only talks about lining up the marks. I really dont want to replace the chain if I dont have to. One because I leave for Iraq in a month and two because I am really not prepared for it. Is there any other way?
This is what I was trying to reference. From NICO ![]() Mine ![]() Is that good enough
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Thats what I said ![]() Last edited by moses; 01-03-2009 at 08:15 PM.. |
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