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How to unfreeze a seized O2 sensor turbo


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My experience is soak with Kroil every few days starting as far in advance of the job as possible. It does seem to come out easier with the exhaust warm, like after running for maybe a minute. If wrenching on it in the lefty loosey direction doesn't work sometimes alternating between that and righty tightey can help loosen it. I like to use something (wrench socket whatever) in 6 point rather than 12 point if possible.

 

I've heard that on some Ford diff drain plugs I think it was the dealers warm the drain plug and melt some real beeswax on it and then it comes right out, I don't know if that might work for O2 sensors too!?

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