removing passenger side o2 sensor

zimaad · October 20th, 2007, 04:04 PM

For any of those that did mid-pipe swaps, what did you use to get off the passenger side o2 sensor so you could get to that header bolt? I have the other 3 header bolts off(for one the bolt threaded out of the header...hmmm) but this last one is a pain.

Thanks for any input - Drew

MustangMatt96GT · October 20th, 2007, 05:56 PM

PB Blaster

zimaad · October 20th, 2007, 09:18 PM

I have PB blastered the heck out of it. Im more speaking of getting a wrench to it and what size wrench. My crescent wrenches aren't that big and my adj wrench is to wide to fit into the space. I know there is a special tool, but if anyone knows of a good way to get at it, it would be helpful.

Thanks

06RedfireGT · October 20th, 2007, 09:36 PM

What are you doing? Installing headers?

HMUSN · October 20th, 2007, 09:38 PM

he is installing a mid pipe.

06RedfireGT · October 20th, 2007, 09:44 PM

ah

bbrewer03 · October 22nd, 2007, 09:09 PM

I believe we just took a wrench to mind and some elbo grease. Also, that header bolt your getting ready to tackle is a pain. May I suggest impact swivels and an impact.

militant54 · October 23rd, 2007, 10:16 AM

All you need is an extension and swivel for your header bolts, I left my O2's on and maneuvered around them.

Uncle Humjaba · October 23rd, 2007, 02:21 PM

i know what you're talking about... that thing is a pain. i put on my o/r pipe last week. i took the sensor off first, because it wasn't that tight, using a 7/8 (i think) wrench. then to get to that bolt i used an 18mm socket attached to a u joint and a couple extensions, with a breaker bar attached to the end.

good luck, and know I feel your pain!

ujslost · October 23rd, 2007, 08:03 PM

7/8 boxed end wrench and it should come out easily

Uncle Humjaba · October 23rd, 2007, 08:34 PM

Originally Posted by ujslost

7/8 boxed end wrench and it should come out easily

can't fit the box around the plug...

i tried that last week.

ujslost · October 23rd, 2007, 08:40 PM

open end should work for ya though. did ya get it out yet?
vise grips maybe?

Uncle Humjaba · October 23rd, 2007, 08:58 PM

i got it out with the open end

once i got it broke i could twist it out by hand... good thing because it was a b*tch trying to get a good bite on that thing.

zimaad · October 23rd, 2007, 10:48 PM

yeah, I was able to get the sucker out. The largest open ended I had was a 3/4 so I took off the rear o2 sensor and took it to the store w/ me and picked up a 7/8". No problem after that. The impact definatel helped. I used a lot of PB blaster, but the threaded ends came out of the headers instead of the nuts off of the bolts....oh well. Now I just have to take off the hangers and take the whole assembly off. sigh...all I need is time!

96Snaker · October 24th, 2007, 12:30 AM

I had more difficulties getting that 02 sensor back on than I did getting it off... confined spaces like that really fill up the ol' swear jar in a hurry. One of my ancient swivels actually broke in half at it's swiwel joint in the process of breaker-barring loose one of those header bolts. Pain in the ass job if you ask me - especially if you don't have a lift and have to try and get leverage whilst lying on the ground. After installing a midpipe I can't imagine how big a pain installing some long tubes would be :wink

Uncle Humjaba · October 24th, 2007, 01:10 AM

yeah, the bolt came out of the header for the passenger outside bolt for me. i put the sensor back in before i mounted that sucker in there because my bbk pipe left me room to tighten up the bolt to the header. much easier in my opinion

now the bolts that connect the rear to the cat back are the strangest thing i've ever seen... pain in the butt to try and get those snug, and scratched the heck out of the side of my pipe too.

October 20th, 2007, 04:04 PM	#1
zimaad Newbie Join Date: Sep 2007 Posts: 9	removing passenger side o2 sensor For any of those that did mid-pipe swaps, what did you use to get off the passenger side o2 sensor so you could get to that header bolt? I have the other 3 header bolts off(for one the bolt threaded out of the header...hmmm) but this last one is a pain. Thanks for any input - Drew

October 20th, 2007, 05:56 PM	#2
MustangMatt96GT All Throttle with a Bottle 1996 Mustang GT 12.91@105.29 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,609	PB Blaster __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals. I support the MM Staff

October 22nd, 2007, 09:09 PM	#7
bbrewer03 Regular Join Date: Aug 2006 Location: Kentucky Posts: 132	I believe we just took a wrench to mind and some elbo grease. Also, that header bolt your getting ready to tackle is a pain. May I suggest impact swivels and an impact. __________________ 1997 GT Cobra R Hood, Cobra Front bumper, MSD plug wires, Bosch +4 plugs, Tailights, Projector headlights, 18x9 chrome bullet wheels in front and 18x10s in back, Tunable Induction Cold air intake, flowmaster mufflers with chrome 18"x 4" wide tips.

October 23rd, 2007, 10:16 AM	#8
militant54 Regular Join Date: Oct 2006 Posts: 160	All you need is an extension and swivel for your header bolts, I left my O2's on and maneuvered around them. __________________ 1998 Mustang GT Convertible, black on black on black with MAC prochamber H, Flowmasters, PI intake, SCT tune, K&N.

October 23rd, 2007, 02:21 PM	#9
Uncle Humjaba Enthusiast 1996 Mustang GT Premium 15.2@91 Join Date: Aug 2007 Location: Tracy, CA and Clemson, SC Posts: 570	i know what you're talking about... that thing is a pain. i put on my o/r pipe last week. i took the sensor off first, because it wasn't that tight, using a 7/8 (i think) wrench. then to get to that bolt i used an 18mm socket attached to a u joint and a couple extensions, with a breaker bar attached to the end. good luck, and know I feel your pain! __________________ "He is no fool who gives up what he cannot keep to gain what he cannot lose."

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October 20th, 2007, 09:18 PM	#3
zimaad Newbie Join Date: Sep 2007 Posts: 9	I have PB blastered the heck out of it. Im more speaking of getting a wrench to it and what size wrench. My crescent wrenches aren't that big and my adj wrench is to wide to fit into the space. I know there is a special tool, but if anyone knows of a good way to get at it, it would be helpful. Thanks

October 20th, 2007, 09:38 PM	#5
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,307	he is installing a mid pipe.

October 23rd, 2007, 08:03 PM	#10
ujslost MM Fanatic Join Date: Mar 2007 Location: Albertville, AL Posts: 3,861	7/8 boxed end wrench and it should come out easily

October 23rd, 2007, 08:40 PM	#12
ujslost MM Fanatic Join Date: Mar 2007 Location: Albertville, AL Posts: 3,861	open end should work for ya though. did ya get it out yet? vise grips maybe?

October 23rd, 2007, 08:58 PM	#13
Uncle Humjaba Enthusiast 1996 Mustang GT Premium 15.2@91 Join Date: Aug 2007 Location: Tracy, CA and Clemson, SC Posts: 570	i got it out with the open end once i got it broke i could twist it out by hand... good thing because it was a b*tch trying to get a good bite on that thing. __________________ "He is no fool who gives up what he cannot keep to gain what he cannot lose."

October 23rd, 2007, 10:48 PM	#14
zimaad Newbie Join Date: Sep 2007 Posts: 9	yeah, I was able to get the sucker out. The largest open ended I had was a 3/4 so I took off the rear o2 sensor and took it to the store w/ me and picked up a 7/8". No problem after that. The impact definatel helped. I used a lot of PB blaster, but the threaded ends came out of the headers instead of the nuts off of the bolts....oh well. Now I just have to take off the hangers and take the whole assembly off. sigh...all I need is time!

October 24th, 2007, 01:10 AM	#16
Uncle Humjaba Enthusiast 1996 Mustang GT Premium 15.2@91 Join Date: Aug 2007 Location: Tracy, CA and Clemson, SC Posts: 570	yeah, the bolt came out of the header for the passenger outside bolt for me. i put the sensor back in before i mounted that sucker in there because my bbk pipe left me room to tighten up the bolt to the header. much easier in my opinion now the bolts that connect the rear to the cat back are the strangest thing i've ever seen... pain in the butt to try and get those snug, and scratched the heck out of the side of my pipe too. __________________ "He is no fool who gives up what he cannot keep to gain what he cannot lose."

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