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Old 02-21-2009, 06:59 PM   #1
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Need expert!!!

I've actually posted this question before but the time has come....... I have a leaking exhaust manifold.......The man I bought my Jeep from had the same problem and once before had it fixed.....As you can see it is a reoccurring problem....

Will replacing this with headers solve this problem once and for all??? I HATE dealing with the SAME things over and over again.......

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Old 02-21-2009, 07:48 PM   #2
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What year is it and did they replace it with the OEM updated manifold with the flex joints(stainless braided shields at the bend on each down tube should be visible).If not that is the best way to go.If so and it still leaks after that then you may be looking at broken manifold bolts.

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Old 02-21-2009, 09:44 PM   #3
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Old 02-21-2009, 10:25 PM   #4
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You say no so this means it does not have the flex joints correct??? In that case you would be better off going back with that manifold versus a header IMO.I have put a few of these on and can be picked up from Ebay under $100 over the $300 tag at the dealer.And yes they are good quality OEM updated specs.The first one one over 3 years ago on a cherokee and it is still doing great.The last one was a few months ago on a Wrangler and it is also fine.Here is a couple links to the ones that I have got(same sellers)eBay Motors: 91-99 Jeep Wrangler 4.0L Exhaust Manifold & Gaskets (item 300293383119 end time Mar-14-09 06:33:19 PDT)
eBay Motors: 96 97 98 99 Jeep Wrangler Exhaust Manifold Gasket 4.0L (item 310123540294 end time Mar-19-09 23:01:43 PDT)
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Old 02-21-2009, 10:45 PM   #5
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where is the leak.......is it two manifolds that leaked or one that was fixed...if two separate manifolds have leaked then i would say there is a problem with the mounting surface of the block or the installer.......if its the same one then it only leads to the latter of the two possibilitys.....i had the same factory manifold on my 4 cyl up to 60k with two bolts that had worked themselves loose and it didnt leak and now my 6 cyl has one bolt missing and doesnt leak......perhaps the rust welds never properly formed on yours lol
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Old 02-22-2009, 08:27 AM   #6
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My 97 TJ had the exhaust crack on it as well. Seems to be a common problem especially on the early model TJ's and Cherokee's. If you shop around you can find a manifold with the flex joints for reasonable money and this should end your problem permanently. Back when mine broke the only manifold available was from Jeep and it was over $500.00 so I had to weld mine, fortunatly it held all the while I owned the Jeep. Good luck.
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Old 02-22-2009, 09:57 AM   #7
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Yeah the last count I had they are still over $300 from the dealership.I put links up for one around $70 and the other around $95 both come with the thicker leaded manifold gasket and doughnut gasket.
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Old 02-22-2009, 08:07 PM   #8
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I've been running an ebay replacement for over 3 years now on my 99 4.0 with absolutely no problems. There's no point in going to a header because you won't get enough power boost from it based on how much you pay for it. As others suggested you want a manifold with the flex joints on the 1 and 6 tubes. Problem with the pre-2000 ones is they expand and contract on those tubes and crack it at the collector.
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Old 02-27-2009, 09:03 PM   #9
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Thanks for the Input Jeepers..... My TJ is a 4 Banger not a 4.0L 6cyl. I'll try that before stainless steel headers......

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