[XxhorizonxX]

well the o2 sensor went out and well frankly its not coming off. i have pushed and pulled and budged and put some of that penetraitor fluid on it and wont budge one freakin bit. i am wondering if the damn things ever been changed. anyone have any ideas as to how i can get it off? car is 88 csxt with mitsu turbo and 3 wire o2 sensor. someone please help hell come to the house and help me if you can lol.

 

[A89aries]

a very very large breaker bar. You could also take the car for a drive to get the o2 heated up.

 

[22dodge]

use a torch and heat up the casting, cut off the wire and use a 7/8 deep well 6pt impact socket and a ½" inpact wrench... it will come out!!!!

 

[MarshallOne]

Take the power steering pump off. That helps a bunch.

 

[NICEGUY]

blast it with PB 5 times a day

then start it up to get it hot, and it should come out ALOT easier. but constantly hit the thing with blaster.

 

[XxhorizonxX]

well bad thing is i got pissed off and already cut the wires off of it lol. i sprayed it down bout 10 times with the penetrater shit. i took off the power steering pump to get at it easier. that helped a little.gonna let it sit for a bit and if that dont work im gonna go borrow a blowtorch. by the way robert did you ever find that glh?

 

[street_racer]

heat it with a torch that was the only way i could get mine off

 

[xtrempickup]

what size is the darn O2 anyways, i found the 7/8 to be loose on mine

 

[Moparbishi]

it is alot easier to get off with it heated. i use a o2 socket i got from oryielys a while back. just start the car and let it run like andrew said and when it gets hot it will come out. or use a torch.......

 

[XxhorizonxX]

well 7/8's is right size it fits and all. but problem is i gotta find a torch cause i cant run the car cause i done cut the wires to the o2 sensor to get the socket on it. i dont really like the idea of trying to drive with no 02 feedback.

it is alot easier to get off with it heated. i use a o2 socket i got from oryielys a while back. just start the car and let it run like andrew said and when it gets hot it will come out. or use a torch.......

 

[xtrempickup]

connect the wire back up and drive it

 

[DirectConnection]

If you haven't already, use a normal socket since you said you cut the wires. Then get a MAP gas torch from the hardware store. Be prepared to heat it for almost 5 minutes straight. Heat the cast bung area (hoping to get it red), and try not to heat the O2 part at all. Use a breaker bar with a pipe over the handle for extra leverage. If that doesn't do it, then heat it back up again, and use an impact gun.

 

[xtrempickup]

i got mine off just now with a cheater bar..... but it snapped the threads and now i have a housing with threads in it and no way to put a new O2 in

 

[Turd Fergeson]

it shouldn't matter if the o2 sensor isn't hooked up, mine wasn't hooked up the first couple months I had my lebaron. It just ran rich at idle (really rich in the morning).

 

[Jckrieger]

Like Turd said, running without an O2 isn't a big deal at all. Get the engine nice and warm and use a regular socket and a swivel joint if necessary. I noticed the regular oxygen sensor sockets flex too much due to the slot for the wires.

 

[LancerShelby]

It's 22mm by the way guys.

 

[Moparbishi]

7/8ths is the o2 wrench size cant find a 22mm
turn the car on it will run rih like they said but will run.
my o2 sensor was out for like 2 months before i got to change it.
turn the car on and wait 5-10 minutes
turn the car off and dissconnect the battery.
press the brake pedal 5 or six times.
remove the o2 sensor
put the new one in
reconnect the battery
all done

 

[XxhorizonxX]

ok cool. i just didnt wanna hurt anything by not running with the 02...... ill get out there in the morning and run it for a few minutes then try it with the breaker bar and see if she pops loose. thanx a lot for the help guys!