2 if that. 1 if their not rusty

This thread reminds me of that one time... In another thread.... It was the same topic.... Good times.....
http://forums.maxima.org/4th-generat...tml?highlight=

Wear protective eyewear. It's a straight forward process. An 02 socket helps, and might be necessary iirc.

tools can be rented from autozone for free and all u need is a ramp or something that can lift the car high enough for you to get under.

and a jar of elbow grease of course.

22mm wrench (honestly I dont like 02 sockets) and some penetrant. One of the easiest and most rewarding maintenance items.

hmm...ok if they aren't rusted on I would give the rear one and the rearmost one on the y-pipe a 1 on the 1 to 10 scale. I would give the front most one by the radiator a 2, just because I couldn't figure out how to get a socket on it, luckilly the old one screwed out by hand and I hand tightened the new one.



Now, if the o2 sensors are rusted on, definite 10.

The one on my old B pipe was rusted on so good my 02 sensor socket stripped the threads on the o2 sensor, even after soaking it in penetrating oil for 2 days.

It eventually took vice grips, heating the pipe up REALLY hot with a torch while freezing the o2 sensor at the same time, wedging the pipe against a sidewalk step, a person standing on the pipe, and me 6 feet away with a bunch of rope wrapped around the vice grips leaning into it.

So yea, if they are rusted on, I definitely give it a 10. lol

Got a picture of this by chance? Sounds like ROTFL of the month.

That is crazy mate. Just crazy. You could have done things a bit different and drilled it out ... little late now I guess.

this is a pretty useful thread for the future..mod should sticky it or add it on the 4th gen How to page!!

PB Blaster is your friend.

sorry to be the **** here but its a o2 sensor
i have put one in at 4am in the morning with a lighter and a 22mm wrench w\o any light source other than the lighter.

sorry i dont mean to come off harsh but its seriously a pretty straight foward and easy job.

my newb friend couldnt get the clip part off.... lol

-2.5 if its rusted....

-10 if its not.......


easier than an oil change.

BWAHAHAH, no unfortunately. The sad part is I had the rope wrapped around me and was leaning forward into it. Almost like when those guys suit up in a harness and pull a Boeing 747-400 like 25 feet lol.


The thing is, I was transferring the o2 sensor from my old exhaust to my new one, other than being rusted on it was still a functioning o2 sensor so I wanted to reuse it and didn't want to drill it out lol.

I will be installing my Cattman Y pipe whenI get it and figured I might as well change out the o2 sensors at the same time. A question for those that have already done it. Easier to put the o2 sensors in the ypipe and then install it or install the ypipe on the car and then put the o2 sensors in the ypipe? It definitely sounded like from the threads I read that it's easier to pull the o2 sensors before trying to get the stock Ypipe out. They said aftermarket pipes were easier to get in though so thoughgt I'd ask.

Madmax8

Was there a reason you bumped this old thread instead of just asking in the newbie thread?

Just install the O2s, install the Y. Either way you're going to be spending roughly the same amount of time, so it doesn't really matter.

Well, I've never done this before so have been searching all the threads I could find about it. Org. members don't seem to like new threads about topics that have been discussed already, so thought this was related. Wasn't trying to jack anyone's thread.

install pipe then o2's.Have fun.

I think the hardest thing about replacing o2 sensors routing the wires from harness to where it connects. The rest is as easy as replacing a light bulb.

so you're putting in new O2 sensors when you install the cattman y-pipe. So why do you need to pull the old O2 sensors??

Next, well, do what you want. put the O2 sensor before or after you put the y-pipe on. It doesn't really matter. It's kinda of like asking if you should tell the waiter/waitress that you want a coke with your burger, or tell them that you want a burger with your coke. Either way, you're getting a burger and a coke and you have to tell him.her that you want both.

At least he searched and didn't start a new thread.

True, but the post is still in the wrong place.

If you have factory O2's dont bother with a socket, they are not long enough to fit the longer factory sensors. The hardest part is getting the wires in the right place, so really its not to bad. 3 at the most.

Actually, rust has never been an issue for me. It's always been galled threads (will unscrew 2-3 turns then seize). But with a little heat (torch) and PB Blaster, you shouldn't have a problem. I also have a tap to clean up the threads in the pipe(s), just in case. I think the O2 sensor thread size is 18mm x 1.5!

I just did my o2 sensor on the left bank and it was about a 2 on difficulty. A little rusted but once it popped it came right out and the new one went in with ease by hand!

Is there any problem with coating the new sensor's threads with anti-sieze?

I usually put it on every bolt I install, but wonder if there is an issue with the sensor itself.

-Jim

No problem as long as you don't get any on the tip of the sensor.

Every bolt? Damn, talk about overkill.

I hope your kidding......

really man jack up your car. look for the 02's then go grab a rench come back if it dont fit get a different one. if it is rusted find a way to get as much leverage as possible and bodda bing bodda boom.

no, im not...some new ppl here doesnt even know how to change they light bulbs.

SparkPlugs.com is offering a 10% discount to .org members on all Bosch and NGK products (I believe this applies to O2 sensors as well) until the end of the year. The coupon code is "maximaorg."

I have made and posted a write-up for replacing the front two oxygen sensors (haven't needed to replace the rear one yet). You can find it here.

Did i mention it was a WB that i installed?? seriously no need to sticky something this easy. there is already to much stuff on the stickies imo and yes sometimes useless(but funny) IE the youtube on HOW TO SEARCH ON MAXIMA.ORG

For plug and play, any tips on running and properly securing the wires up the engine bay?