C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

O2 sensor broke..

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Old Jun 29, 2013 | 08:34 PM
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Default O2 sensor broke..

I have a Bosch O2 sensor standing by to replace the one that's just hanging down by it's wire.
What I see on the exhaust is a round hole, with a hex bolt

Do I assume correctly that what is left in the pipe is the body of the old sensor, and I need to crank on the hex to get her out?

Thanks,
Rich
ps. sorry for no pic!
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Old Jun 29, 2013 | 09:27 PM
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If access to the O2 hex is limited, this socket works really well:



If access is not a problem, you can use the deep wall socket:



Check for the correct socket size..... my '92 needed 7/8 ..... sensors came with anti-seize applied.
Caution: keep the sensor tip clean.

Last edited by don hall; Jun 29, 2013 at 09:53 PM.
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Old Jun 29, 2013 | 09:37 PM
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OK SWEET
ACCESS ISNT TOO BAD, i'LL GIVE HER A WHIRL(AFTER PLENTY OF PB BLASTER..)

\RICH
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Old Jun 29, 2013 | 09:41 PM
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Originally Posted by celticpiping
OK SWEET
ACCESS ISNT TOO BAD, i'LL GIVE HER A WHIRL(AFTER PLENTY OF PB BLASTER..)

\RICH
PB may not be necessary, but can't hurt. Just changed my originals on my '92 without even a breaker bar.

You won't need the deep socket to remove the broken sensor, but you will to install the new sensor.

Last edited by don hall; Jun 29, 2013 at 10:25 PM.
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Old Jun 29, 2013 | 09:57 PM
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A little heat will make the old one come out easy. I usually run the car for 2 or 3 minutes.
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Old Jun 29, 2013 | 10:58 PM
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I use the box end of a combination wrench. Just thread the connector and wire through the box and go at it.
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Old Jun 29, 2013 | 11:07 PM
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A 7/8" will do
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Old Jun 30, 2013 | 01:26 PM
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You guys are awesome. Thanks much for the feedback
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