The shock should break it loose. I used the o2 stubby socket and worked great.


How To Remove A Stuck Or Seized O2 Sensor – Youtube

Hi guys, doing the bank 1 sensor 1 o2 sensor on a 2006 vcm 3.5, the pre cat, rear (firewall) o2 sensor.

How to break free an o2 sensor. Use a breaker bar on the wrench, and you should be. Try this first though, soak with more blaster and try tightening it just a little, then loosen a little, back and forth to see if you can get it to break free. How do you change the oxygen sensor on a chevy cavalier?

Take the oppurtunity to examine the sensor tips for condition, and see if you can photograph the tops of the precats, see if they are in ok condition. Get it smoking glowing hot, then give it a shot before it cools. You will now need to remove the sensor.

Use some break free spray (pb blaster, maybe) and invest $10 in a proper o2 sensor socket. If you are going to replace the sensor and have already purchased the replacement, cut the wires off of the old sensor and put a 1/2 drive deep well socket onto it (don't use the split socket for the o2 sensor to take it off, but you will use it to put it back on). Any help will be appreciated.

Then being careful not to touch any hot parts, try to break it free with the socket. The first method i recommend is using penetrating oil such as a liquid wrench or pb blaster. Can someone please tell us what tool/s you used to remove o2 sensors?

A few bucks later you can drive home and do the rest yourself. If you solder the wires, the solder will fill the air gaps in the wire and the sensor will not work correctly. With my large selection of tools, i was not able to figure out how to remove.

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With the o2 sensor socket you have you will need a 12 breaker bar and some gloves in case something (the socket) breaks. Please be careful, i don't want to see you on the front page of r/wtf with a ridiculous burn. However, by taking the oxygen sensor off, you are able to visually inspect the sensor, which can often provide a good indication that there is a problem, and testing the sensor is also a little easier.

Be sure to soak them real well and also be sure to use the special o2 socket or crows foot wrench designed for these. Insert it into the exhaust system and connect it to the electrical wiring. It turns out, one of mine is breaking down, i'm going to remove it soon.

I got the sensor to break free no sweat, but i have a shredded right forearm and a tired left hand, and i have found no way to get the electrical connector to. You'll need to take off your turbo heat shield (3 bolts) and its on the top of the catalytic converter right behind the turbo. In order to do so, rotate the oxygen sensor counterclockwise.

Although nothing beats using the right tools for the right job, you could easily remove it without a special tool. Oxygen sensors can be tested both on the vehicle and off, but many prefer to leave the oxygen sensor on the vehicle. Do not solder the connectors onto the wires.

Instead of heating them with a torch and risking burning up a part or your car, just run the car to get things heated up real well. For the sensor to work correctly, it must draw clean air down to the sensor through the air gaps in the stranded wire. Whenever i do o2's i break them free then tighten them up just a bit, then loosten them off, then tighten and keep repeating, similar to tapping threads.

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If you have a torch you can heat the bung it is treaded into to expand the metal and try to remove. Not enough room to manuver any of my tools to accomplish. Use a breaker bar to break it free, then use a ratchet the rest of the way.

Unless you need to for other reasons like. Plug in the dummy oxygen/o2 sensor by rotating it clockwise. Another way would be to take the car to s hop and ask them to break loose the o2 sensor and then snug it back down.

Hope my pain is another mans gain. Use a 22mm wrench and a rubber mallet to beat the o2 sensor out of the cat. Be careful unplugging it, the connector has a clip to keep it from coming unplugged that breaks easily.

The key was to use a breaker bar and hold steady pressure until they broke free. They must be crimped on for the o2 sensor to work correctly. Hope we do not have to break free the exhaust from the motor?

Here are some of the standard tools that you could use to remove your vehicle’s o2 sensor. Get an o2 socket from az, they're a loaner tool item. Afterward, use an o2 sensor socket wrench to.

Hit it with penetrating oil a few times, and let it sit over night. Other than being kinda hard to break free, the the diy is 10 min max. I find it the best way to get them out without causing any damage.

Sometimes they can be a little hard to break free so you may want to rent an o2 sensor tool from your local parts store. 12mm, 14mm, 22mm, rubber mallet, pb blaster (or something of the sort), rags. I think for those who say that the o2 socket will open up and strip the sensor are probably not using a breaker bar.

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Heat up the welded nut that its screwed into, not the o2 sensor, so that the nut hopefully expands enough to break everything loose. Why do this on a hot engine? Once thats free remove the heat shield around the cat.

Utilize a removal tool at this point.


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