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The special tool is to hold the camshaft in place when you remove or install the sprocket. It is nice to have the tool. However that said, I have done it with a good (not cheap) pair of vice grips and a rag. If you have a good punch set that will also fit in the hole.

Mine is a 2011 it has three coil packs. Each one operates 2 cylinders

It was the head gasket, see above photo

It's not a super difficult job. 10.2 hours in the book. I am having mine done now. $1500 for the job. I just don't have the available time to do it. You'll need a good machine shop to check and resurface the heads. While they are there I'm also having them install a new oil pump. I started...

My Front right turn signal did this. Running a new ground wire solved both signal and running light issue.

Well, solved it. It's a head gasket issue. Can't post all of the pictures but it appears to only be leaking from the gasket itself. But hey, The cross hatching looks pretty good for 136K

I know this is an older post but did the PCM end up being your issue? I'm chasing a similar issue with mine. I don't know if the PCM issue for misfires persisted into the 2011/2012 model years. In the KJ years it usually resulted in a complete failure of coil ignition due to an internal ground...

Hello everyone, It's been awhile since I've posted. I'm having a misfire issue on cylinder #1. It started about a month ago after towing a U-Haul trailer around helping the kids move into their new apartment. I had already planned on upgrading my fuel injectors to the Denso 4 hole injectors and...

It went without issues. I've put 4,500 miles on since the changing the chains. I got a very noticeable improvement in power and my mpg is back to 15-16 in the city and about 21 highway.

Hey, pictures upload now. Sweet. First is a picture of the internally failed coolant gasket. Second is old chain, third is new chain for those interested in pictures.

I would get one of those flush and fill kits that come with the cap that has a neck for a funnel on it and try testing from the higher up neck part maybe. Are you experiencing any overheating? Wet floor? Really need some more information.

Got the Jeep back together, fired right up. No clatter/rattle from the chains anymore. I still after many hours of pondering did not see a direct source of the metal sound I was hearing from the chains. Whatever it was is gone now. Also, bonus, I found the broken evap line I had been serching...

Just a quick update. Got the Jeep apart. At first I was disappointed because at first glance everything looked up to *****. Alas, I found the problem. The primary chain was stretched. So I'm glad I'm doing the job despite it being a pita. Also found my evap leak, and my timing cover was leaking...

Thank you for the reply and input. I finally settled on Cloyes timing chain and tensioner set. I am going to reuse the gears and sprockets. The deciding factor was being able to hear the chain riding against metal, it sure escalated quickly. It's parked now. Also, doing the water pump...

Well I guess for lack of opinions/advice I am going to just do the whole kit and kaboodle. I am not looking forward to it but alas it has to be done.

Hello, everyone. I am looking for input from long time members. I need to replace my timing chain tensioners on my 2011 KK @ 127k. Question #1 How much time does it take you to do this job? Question #2 Who makes a durable tensioner? Question #3 Should I just do the entire set using Cloyes parts...