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Old 04-15-2009, 08:37 PM   #1
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Default 02 sensor (upper)

so i tried my hardest to get this off. I couldnt!!! Is there a trick? It wouldnt budge. And i have an 02 bonnie, and its the one up top before the cat. I may be a woman, but dang, i couldnt get it to budge.
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Old 04-15-2009, 11:07 PM   #2
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I think I may have used a 24inch breaker bar and done it after it sat all night.
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Old 04-15-2009, 11:24 PM   #3
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If you are replacing it, try some penetrate oil like BreakFree or WD40. You may have to soak a few days. Hopefully you are using an O2 socket or wrench. If this is the first time replacing it, you will definitely need to put some brute force into it.
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Old 04-16-2009, 10:43 PM   #4
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Yeah, maybe try a penetrating lube.
I would recommend some mechanical advantage. ( longer rachet, air tools etc )
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Old 04-16-2009, 10:47 PM   #5
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I soaked mine for a good week with penetrating oil before it finally broke loose.
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Old 04-16-2009, 10:51 PM   #6
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I just did my SEEi and my Monte SS within the last month.
The Bonne'* came out really nice, but the Monte'* put up a fight. I ended up crawling up on top of the motor, put a longer rachet on with a taller extention and braced myself for the inevitable impact after I got it loosened up. The scars are healing, and the Monte'* never run better.
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Old 04-17-2009, 09:51 AM   #7
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so like everyday for maybe3 days put some maybe liquid wrench on it? Should i just drive regularly as well? Would that be fine? and then after a few days of using pent. oil, try to get it out? I talked to someone and they told me that i may need to re thread it since it is a PITA to get out. And how hard is it to rethread?
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Old 04-17-2009, 09:58 AM   #8
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Ya, just do that. I picked up a thread cleaner from autozone. It goes in a socket and turns right in nice and easy.
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Old 04-17-2009, 10:33 AM   #9
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thread cleaner? is this a penetrating oil?
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Old 04-17-2009, 10:49 AM   #10
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No, it'* like a thread tap. You run it in to the bung and it cleans up the threads.
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