Jeep TJ 2.5l Lifter Replacement - JeepForum.com
 
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post #1 of 11 Old 06-21-2019, 06:45 PM Thread Starter
parkercook58
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Jeep TJ 2.5l Lifter Replacement

Hello, I am in the middle of replacing the lifters on my 2000 Jeep Wrangler. I am trying to do do this with the head on. I have the lifters our on the first cylinder out and am trying to put the new ones in. When I try to put the first cylinder exhaust valve lifter in I am not able to. But the intake valve lifter slides right in with almost no resistance looking for any and all advice thanks.

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post #2 of 11 Old 06-21-2019, 07:05 PM
mukluk
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Make sure there isn't a ring of crud buildup around the top of the lifter bore, that was the issue I ran into when replacing the lifters with the head installed in my old '85 Cherokee. The catch is you don't want the crud falling down in the bore when you scrape it off.

2000 TJ SE
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post #3 of 11 Old 06-21-2019, 07:18 PM Thread Starter
parkercook58
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This is the best picture I could get it looks pretty clean to me any other suggestions. I am using a pretty liberal amount of assembly lube could that be the reason they don’t want to go in?
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post #4 of 11 Old 06-21-2019, 07:21 PM
mukluk
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Maybe, but I kinda doubt it. Have you tried any of the other lifters to see if they fit? It could be you have one lifter that's slightly oversize.

2000 TJ SE
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post #5 of 11 Old 06-21-2019, 07:22 PM Thread Starter
parkercook58
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I have tried all the lifter even the old one and it still would not go back in.
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post #6 of 11 Old 06-21-2019, 07:27 PM
mukluk
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Carefully run a long probe around the bore opening and see if you can feel any burrs or ridges.

If need be, stick the lifter in the freezer for about ten minutes to shrink it down a hair.

2000 TJ SE
2005 LJ Rubicon
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post #7 of 11 Old 06-21-2019, 07:29 PM
Boojo35
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Your pic looks like your engine is coated with a lot of black stuff which is sludge and lack of maintenance. IMO and experience. That is the kiss of death. Your Pic also looks like it is of a cam lobe which my interpretation of your pic is it is very scored. Not good. New lifters will fail quickly unless you provide different pics.

If you cannot fix it with a hammer then it has to be an electrical problem.
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post #8 of 11 Old 06-21-2019, 07:39 PM Thread Starter
parkercook58
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I can definitely feel and kind of see some irregularities around the edges I am trying the freezer trick now I just got this Jeep maybe 10000 miles ago so I have no idea how regularly it was serviced.
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post #9 of 11 Old 06-21-2019, 08:17 PM Thread Starter
parkercook58
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No dice after the lifter being in the freezer for half an hour what would you recommend using to get the irregularities out of the edge of the bore
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post #10 of 11 Old 06-21-2019, 08:25 PM
mukluk
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If it were mine, I'd try running the side of a long flat blade screwdriver tip around the edge of the bore to work out any burrs and give it an ever so slight bevel. On the flip side, this may be where you think about pulling the head to gain better access. Boojo35 does make a good point about your cam lobe looking a bit worn as well.

2000 TJ SE
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post #11 of 11 Old 06-21-2019, 08:30 PM Thread Starter
parkercook58
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Ok thank you for your help going to call it a night and try that tomorrow
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