Jeep TJ 2.5L exhaust manifold ?? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 07-07-2003, 09:48 AM   #1 (permalink)
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Jeep TJ 2.5L exhaust manifold ??

1997 TJ, 4 cyl. I've got exhaust gas coming out the back of the manifold (near the firewall) that I'm guessing is causing rough idle/accel/emmission problems.

Going to try to tighten the bolts first (when the Heep cools down), but I'm wondering about the condition of the seal at the manifold.

I was thinking it was a gasket problem, but the FSM doesn't
mention an exhaust manifold GASKET. Does it have one?

If so, has anybody changed it w/out removing all the INTAKE stuff?
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Old 07-07-2003, 05:01 PM   #2 (permalink)
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If your TJ is like my 97 4.0 Liter, you have one gasket for both your intake and your exhaust manifold. Theres no way to change the gasket without taking them both off.
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Old 07-08-2003, 07:27 AM   #3 (permalink)
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Yup... re-reading the FSM (more closely this time ) I see that the intake & exhaust manifold gasket(s) are one & the same.
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Old 07-08-2003, 08:25 AM   #4 (permalink)
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Did the rear exhaust manifold mounting stud break off? Common problem on those engines.

There was even an extended warranty from Jeep (up to 80K IIRC) on those - I had it happen to my 98 within the warranty and my 97 about 4K miles after it expired.
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Old 05-16-2004, 01:13 PM   #5 (permalink)
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I have a 1997 TJ SE wuth 2.5 engine and it only comes with a gasket on the intake manifold (The exhaust manifold comes without gasket)

Is that OK?

I went to the local mopar dealer here in CHILE, and confirm that again (They donīt sell gasket for the exhaust manifold).

What i have to do with it?
The header just go metal to metal to the engine?

Thanks

Mariano
Santiago, CHILE
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Old 05-16-2004, 04:20 PM   #6 (permalink)
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mlozano, the intake exhaust manifold gasket will solve your problem

they are one gasket in the same.
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Old 07-21-2006, 04:18 PM   #7 (permalink)
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Quote:
Originally Posted by jeeplord
mlozano, the intake exhaust manifold gasket will solve your problem

they are one gasket in the same.
I know this is an ancient thread, but it keeps comming up in my yahoo searches for manifold stuff. The 2.5L TJ does not have a gasket for the exhaust manifold, it is mounted metal to metal.
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