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Old 04-08-2012, 06:30 PM   #1
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Weld the Old or Buy New?

Exhaust manifold/header for the 4.0- - Mine has a crack. The one on there now appears to be stainless.

I've seen the new design with the expansion sleeves on the end cylinders on ebay for about $80.

Which would you all opt for, the weld or the new? And is it a beeyatch to replace one of these?

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Old 04-08-2012, 06:39 PM   #2
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Get a new one....

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Old 04-08-2012, 06:40 PM   #3
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Get the new one as the weld will just crack again.. not to bad to replace from what i have read.
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Old 04-08-2012, 06:42 PM   #4
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NEW no question about it.
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Old 04-08-2012, 08:13 PM   #5
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Yep X2 on it just cracking again next to the welded repair. They break from engine torque flexing the header continually.
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Old 04-08-2012, 08:15 PM   #6
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OK; kind of what I thought as well. Do these new ones with the expansion sleeves on each end help keep the unit from cracking?
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Old 04-08-2012, 08:23 PM   #7
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Yes, those expansion sleeves that look like accordian joints were added specifically to fix the cracking problem.
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Old 04-08-2012, 08:51 PM   #8
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How hard of a job is it? Does the intake have to come off?
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Old 04-09-2012, 12:32 PM   #9
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Originally Posted by 1jeeplvr View Post
How hard of a job is it? Does the intake have to come off?
A guy I know that works on Jeeps for $50/hour said it would be $200 to install a new one- -

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