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Re: front o2 sensor (o2 sensor on header) STUCK
Buy PB catalyst penetrating oil and spray some on the threads. AutoZone, most auto parts stores, maybe even Walmart have it. It dissolves rust. WD-40 is good starting fluid, smells nice but does very little to loosen parts. AutoZone has the correct socket for O2 sensors to loan you. If it is still stuck you will have to heat a spot on header to expand the threaded area that the sensor screws into. If you are working with stainless steel, it takes a lot more heat because the heat will spreads and cools so quickly. If the socket is slipping use vise-grips that say Vise-Grip on them rather than Made in Taiwan.
Last edited by JustSayGo; 10-13-2005 at 12:41 AM.
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