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Re: Easiest o2 sensor change ever! Posted by Snowmobile [Email] ![]() ![]() ![]() In Reply to: Re: Easiest o2 sensor change ever!, Dave The Old Ice Age Knav, Tue, 23 Jul 2024 15:58:27 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Yup. I have a can of freeze off but mostly use liquid wrench. With patience, lots of stuff does come apart... The o2 sensors on c900s up here are often next level. Like freeze off plus torch alternating back and forth using a 4' solid inch thick 3/4 drive breaker bar and a real socket (not a flimsy o2 socket) on the nub of the sensor after sawzalling it off, with the down pipe out of the car clamped in a benchtop vice. Still impossible to budge haha. Ended up removing it by drilling a hole through the middle of the o2 sensor and using a jigsaw to cut 3 lines to the tip of the bung threads and then after more penetrating fluid and torching, hammering the pieces out with a cold chisel.
Subsequent o2 sensor changes consisted of buying a o2 sensor, buying a down pipe, remove the old, install the new for an extra $150 of money well spent... Haha...
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