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  #13  
Old 12-04-2011, 03:27 PM
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Re: Changing valve seals

There is no special treatment for the seals, grab them with some pliers (around the body not in the actual soft sealin portion at the top of the guide) and give them a little twist and they will pop right off... to install take a socket that fits OUTSIDE the soft portion of the seal and press it on BY HAND... if you need a little love a slight tap or 2 will do all you need.

ultimately removing keepers on rear cylinders BLOW without the right tool for the job.
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  #14  
Old 12-08-2011, 12:18 AM
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Re: Changing valve seals

Hey buddy how are things progressing? I hope everthing's done and runnin.
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OK, fine...I'll admit...some amber lamps are good, and necessary.
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  #15  
Old 12-08-2011, 08:56 AM
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Re: Changing valve seals

Its running Dave, but not done. I have to get an other tool to compress the valve springs, because the standard tools wonīt fit. Iīm probably going to make the tool which 2005JGC showed on here.
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  #16  
Old 01-04-2012, 11:49 AM
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Re: Changing valve seals

Hey Frango, any news yet or updates on progress... I know we talked before on a few different threads and we have about the same problems, so I'm planning on tackling this soon myself :\
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  #17  
Old 01-04-2012, 10:04 PM
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Re: Changing valve seals

I tried to tackle it some weeks ago, but then i discovered that i didnīt had the right valve spring compression tool. I also couldnīt find one online, so i just finished my homemade tool last week. (there is an other thread about that).
I hope that i can find some time soon, to finish this up. Will keep you informed via this thread.
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  #18  
Old 01-05-2012, 12:48 AM
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Re: Changing valve seals

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Originally Posted by Frango100 View Post
I tried to tackle it some weeks ago, but then i discovered that i didnīt had the right valve spring compression tool. I also couldnīt find one online, so i just finished my homemade tool last week. (there is an other thread about that).
I hope that i can find some time soon, to finish this up. Will keep you informed via this thread.
My prediction is the tool will work perfectly and you'll be done in no time buddy.........................................or not Just kidding buddy good luck it will go well!
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OK, fine...I'll admit...some amber lamps are good, and necessary.
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  #19  
Old 02-17-2012, 10:07 PM
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Re: Changing valve seals

Ok, so today i had planned to change the valve seals on the left bank. (from drivers view, before anybody says that left bank is 2-4-6-8).
With the modified tool it was quite easy to get the rockers of and with the help of a compressor and a homemade spark plug adapter (made of an old spark plug base and welded tube), also the valves stayed nicely closed. Also the keepers came of as a breeze with the help of a magnet. The old seals came of easily with an other simple tool, a 2 mm wall thickness tube in a size, slightly less then the valve seal metal colar and with 2 90° cuts at one end, to make it flexible, so it will fit with pressure over the valve seal colar when tapped on it. Then its easy to just remove the tube together with the seal. Installing the keepers was not so easy and needed several attempts, a lot of sweat (30+°C overhere) and many bad words to succeed (i would suggest to get a helper, because holding the valve spring compressed with one hand and trying to get the keepers on with the other while balancing in/on the engine bay and almost not seeing what you are doing, is something you can better share with a buddy. At least then you can laugh about it afterwards with a beer in your hand
At least this all is true for cylinders 1-3 and 5. Number 7 is a whole different story ( and a never ending story for now). The tool worked perfect (or at least did what it was suppost to do) on the first 3 cylinders, but then cylinder #7 is hidden underneath some sheetmetal plate and no way to adjust the tool so that it would work. Tried all positions and some light modifications to the tool, but i didnīt want to take the risk to have the keepers of and not being able to reinstall them again due to the tool not fitting well.
Thinking about which modification i have to make to the tool to make it work on #7 and #8, but most probably next time i will start with #2-4 and 6.
Will be continued.........................
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  #20  
Old 03-04-2012, 10:30 PM
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Re: Changing valve seals

Spend this weekend changing the valve seals on the right hand bank. Quite some parts removal before the actual seals come into view. There are quite some cable bundles running at the right hand side and they have to be removed to be able to remove the valve cover and also to remove the actual seals. I also removed the battery and battery tray and the airconditioning hoses from the compressor.
The seals for cilinder 2 and 4 are very good accessable, # 6 is already getting a little more nasty and # 8 $%&)*%!$%*&%$# . My self made tool worked fine on 2, 4 and 6, but for #8 i had to modify it. But finally the right bank is completely done. Now i will use the same modification used for cilinder #8 on the only cilinder left to do, #7.
So the conclusion is: it is possible to change the valve seals with the engine in place, however it takes quite some time and even more patience.
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  #21  
Old 03-28-2012, 09:50 PM
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Re: Changing valve seals

Last update on my valve seal (never ending) story, after several weeks now and approx. 2000 Km of smoke free driving pleasure, i can confirm that the valve seals where the guilty ones for the oil consumption the jeep was having for more then a year (approx 1 Ltr on each 800 Km). Oil change was done directly after the seals where changed, and the level didnīt go down a single bit. I think it was only a $ 30 investment in valve seals and some more for the cylinder cover seals. (+ many hours of work and lots of blood, swet and tears (the last onces ofcourse of happyness after the job was done)
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  #22  
Old 03-28-2012, 10:31 PM
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Yay!!! About damn time lol. Glad you finally got it taken care of. I know the tears of happiness, I replaced most of the fuel system on my ZJ and finally got it to hold pressure and start and run normal again. Any more repairs or is it back to thinking about mods?
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  #23  
Old 03-28-2012, 10:58 PM
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Re: Changing valve seals

It's mod time again!!!!! Congrats Frank!
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OK, fine...I'll admit...some amber lamps are good, and necessary.
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  #24  
Old 03-29-2012, 09:43 PM
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Re: Changing valve seals

This last sunday i changed the TRS/Solenoid assy in the tranny. After the rebuild last year (September), i was not convinced that the real problem behind the breaking TRS/Solenoid assy seal (twice) was solved (the tranny was shifting ok, but the fluid still had a burnt smell and was quite dark in color. I just wonder if the mechanic cleaned the torque converter after the 2nd time OD clutch slipping). So i changed before both speed sensors and the line pressure sensor and now the last part, the TRS/Solenoid assy. They donīt sell the black connector solenoid assy new anymore, but the good thing is that the white connector solenoid, which is an upgraded unit, fits without any issues. It looks strange in the first place, because the hydraulic paths in the seal plates are quite different between the two. The solenoid came with a new TRS selector plate, which i installed, but i couldnīt find any difference between the plate which was installed and the new one.. The selector plate has the detents on it for the shift positions, it moves the manual valve for reverse selection and it actuates the swithes from the TRS ( Transmission Range Sensor)
But now with the new TRS/Solenoid assy i can feel that the shifts are smoother then before. I hope that the fluid stays fine now
If this stays ok, i FINALLY can try to put some other exhaust (read louder) on it. My ears are already used to my Suzuki C90 V-twin with almost no silencers on it, so now i want to hear my V8 as well
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