PIcking up a new WJ on Saturday. - JeepForum.com
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post #1 of 7 Old 11-14-2019, 04:07 PM Thread Starter
cruisingram
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1994 YJ Wrangler 
 
Join Date: Feb 2014
Location: Pahoa, Hawaii
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PIcking up a new WJ on Saturday.

It's super duper clean throughout- claims to have a "head problem" which I am assuming is a valve seat drop? I am risking the purchase because it is super nice otherwise. I wish it were easier to swap in the 4.0! So, how often does the "head problem" turn into "the motor is toast"?

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post #2 of 7 Old 11-14-2019, 04:57 PM
X-Hibition
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1999 WJ 
 
Join Date: Mar 2019
Location: Near Boise
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It sure looks good. Hopefully the price is right so you can factor in some engine work.

1999 Jeep WJ currently sporting four Yakima bars with many accessories...
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post #3 of 7 Old 11-14-2019, 06:45 PM Thread Starter
cruisingram
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Quote:
Originally Posted by X-Hibition View Post
It sure looks good. Hopefully the price is right so you can factor in some engine work.
If I have to replace the whole motor- I probably pay about what it is worth here- heads only- SCORE
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post #4 of 7 Old 11-14-2019, 07:50 PM
smokeyyank
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I swear that's someone's on here. Is it in Hawaii? If so pretty sure the engine was toast and due to the rebuild cost of getting the engine wasn't worth it.

If not am I'm just smoking the happy pipe too early. You honestly are better doing a full rebuild if you want to keep it. Yes cost is more. But the heads are a decent amount of work and not cheap to replace.

04 WJ, 4.7HO
3" IRO lift, fastman TB, 32s, lunchbox rear 242HD, 3" exhaust
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post #5 of 7 Old 11-14-2019, 11:35 PM
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It sure is nice looking. would be hard not to by it. I hope you solve your engine problem
post #6 of 7 Old 11-15-2019, 05:32 AM
HarryH3
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2001 WJ 
 
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No way to tell until you pull the heads. If you're lucky, a valve seat dropped, the engine ran like crap, and the owner parked it before major damage occurred. If not, then one possibility is that a piston met a valve. But some on here have just swapped in another piston/rod from a junkyard engine, then replaced the heads and been on their way.

I can assure you that you'll need a 5-gallon swear jar for the head swap. That engine was installed with a giant shoe horn, then covered with wiring and hoses. I despise doing anything under the hood of mine.

It's usually cheapest to order a complete head gasket gasket swap kit. It will come with head gaskets, intake gaskets, valve cover gaskets, etc. Basically, anything that has to come apart will come with a replacement gasket.
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post #7 of 7 Old 11-18-2019, 02:35 PM Thread Starter
cruisingram
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1994 YJ Wrangler 
 
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Location: Pahoa, Hawaii
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Thanks guys- I did think I told that person to try and log on here to ask about the jeep- so that person may have been on here.
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