Question about 1989 Jeep Wrangler

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How to replace exhaust manifold gasket 1989 jeep wrangler 4.2

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I also have an '89 Wrangler with a 4.2 liter inline six. I'm afraid that the spark plugs aren't on the same side as the manifolds. Mine is being a pain in the *** for me. The intake is lining up fine but the exhaust is off by about 1/4 of an inch in the way of a bolt. Was hoping for some solutions, left disappointed.

Posted on Apr 28, 2010

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Take the manifold off try not to brake your spark plugs, take the old gasket off and put a new one on and put your manifold back on

Posted on Apr 26, 2010

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1 Answer

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This is pretty straight forward, you need to locate the exhaust manifold and follow it down to where it connect to the exhaust pipe, there three bolts on the joint and you take those out. Then see if you can separate the pipe from the manifold. If you cannot separate them then you need to get under the jeep and loosen the holders for the exhaust pipe. When you can separate the joint, take the old doughnut out and put in the new one. Make sure that you get it tight and that you tighten the bolts evenly. Don't over tighten one side.

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1 Answer

My 1999 Jeep Wrangler keeps cracking the exhaust manifold. Is there a fix ?


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Oct 22, 2010 | 1999 Jeep Wrangler

1 Answer

Replaced exhaust manifold on 99 jeep wrangler. turned ignition to start up and engine screams in full throttle, what could be the problem: vacuum, sensor???


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Do you mean the O2 sensor? That's located on the exhaust just below the carb.

Jun 25, 2010 | 1989 Jeep Wrangler

1 Answer

I'm trying to determine the (correct)


Check and review this info: ZJ-Secc-11-Exhaust-System-and-Intake-Manifold

In this pages find several graphics that can be help you.

Good luck!!!

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1 Answer

Have a hole in exhaust manifold


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