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Old 11-01-2011, 01:22 AM   #1
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timing chain help!

I being doing alot of research about the noises coming out of my engine at idle and came to the conclusion that it was my timing chain, i have 95 Wrangler 2.5L SE around 188 thousand miles, I know the plastic pieces in there do fail. My question is does anybody have any advice about a step by step guide? might be in over my head....any advice I would appreciate it!

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Old 11-01-2011, 08:04 AM   #2
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You can use this:

4.0L Timing Chain Replacement - 1

It's written for the 4.0, but I used it when I replaced the chain/tensioner on my 2.5l. It seems like it would be difficult, but it really isn't, and I'm no mechanic. It just is time consuming since you have to remove the fan, fan shroud, water pump, harmonic balancer, etc.... just to get to the timing chain. Once you get to the point where you take the cover off, the chain just slips off and you slip the new one on.

Make sure you replace the tensioner; my chain was fine, but the tensioner was in pieces which is what was causing my noise. I replaced the chain anyways though just because I was in that far.

Good luck.

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Old 11-01-2011, 02:30 PM   #3
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Thank you for the link, still have some questions, was it a big deal to find TDC? or did you just line up the marks on the gears? I also read other posts that said I did not need to remove the water pump after looking at it it seems like its not going to be in the way not sure about that one.. I would rather not change the gears if I dont have to to ensure my timing is still set maybe just do the chain and the tensioners?
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Old 11-01-2011, 03:02 PM   #4
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If I remember correctly, you need to remove the gears in order to change the chain, so either way the gears will be coming off. It really wasn't that bad, you just line up the marks, and orient the new set the same way. You can still reuse your old gears if you want, but I think the chain I bought came with new gears so I just used them. Either way, the gears only go on the shaft one way, so as long as the marks are lined up again when you get everything back on you should be good to go.

As far as the water pump, I can't remember whether or not it was definitely necessary to remove it, but I know I did. If you can get the cover on and off without removing the pump then I'd say go for it.
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Old 01-26-2014, 10:02 PM   #5
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yes it is difficult to do the timing chain , this woman has a 99 jeep wrangler Yj canadian ,model and she is working on a timing chain for about a month now and still can't figure it out how to fix it , it is the 2.5 litre engine 4 cylinder
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Old 01-26-2014, 10:11 PM   #6
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Wanting Advice on Timing Chain proper timing

Do you guys know how to properly time the timing chain on a 99 jeep yj canadian model with the 4 cylinder engine 2.5 L ?
my friend is currently trying to put back the new timing chain on this jeep and has a difficult time putting it back together , there was lots of metal pieces from the old timing chain when she took the oil pan off there was lots of metal pieces in the bottom of the oil pan , so she took the pan off and old timing chain got new parts and is having a problem putting it on , we are in edmonton alberta canada if any of you can call her to 780 - 270 - 0683
i am putting her tel. numer here this might get taken off for rule violation but i tried to help ,i am serious , this jeep is sitting on a car trailer and it's been a long time since she had this jeep in the shop and i'm thinking she was tricked to buy ,
if you help thanks alot if not then i guess we'll have to without any help ,
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Old 01-27-2014, 08:15 AM   #7
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If you could give us a little more information about the problem that is keeping them from putting it back together we could possibly help better.

I think this is the write-up I had followed back when I did mine, but it's been so long ago I can't remember:

4.0L Timing Chain Replacement - 1

It's for the 4.0l, but the process should be close enough to get the gist of what needs to be done. If you're really desperate for help, you could also see if anyone is local to you and able to help by posting in the Canadian section of the forum here:

Canada Jeep Forum - Jeep Wrangler Forum

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