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post #1 of 4 Old 08-11-2012, 12:43 PM Thread Starter
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need help

How do I change out the rear O2 sensor in my 97 jeep wrangler? It is a bit of a pain to get to. I was wondering if there were any trinks I need to know or just dive in and get it. I just replaced the front now I was going to tackle the rear one but having trouble with it.

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post #2 of 4 Old 08-11-2012, 01:06 PM
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2003 TJ Wrangler 
Join Date: Aug 2006
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The rear o2 on a 97' is easy to reach from the rear of the skid with a 1/2" drive socket (if you have a 4.0L).I soaked mine with PB blaster and started the engine to heat it up first.It broke loose with a little effort.

Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
Originally Posted by mrblaine View Post
Why also would he need a rare as hen's teeth Dana 44 out of another TJ which will eventually lead to him swapping in a POS 8.8 because he can't find one?
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post #3 of 4 Old 08-11-2012, 01:41 PM Thread Starter
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Yes I did realize PB blaster is my new best friend. Ok thank you I will give it a try.
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post #4 of 4 Old 08-11-2012, 04:36 PM
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Sometimes the sensors strip on the way out. Your local auto parts store sells a rethread tool for o2 sensors, for the exhaust pipe. About $10. Just in case it happens to ya.
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