Y-pipe install question, what tool do I need to remove oxygen sensors.

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Feb 5, 2002 | 05:50 AM
  #1  
I will be ordering a Y-pipe soon and read several write ups on installing it. I think I will be able to tackle this myself. Acording to Maximadriver.com, you need a 22mm wrench to remove the oxygen sensors.

The largest metric wrench I have is 18mm. Can I use a large (good quality) adjustable wrench? Or do I have to buy a 22mm open end wrench or flare nut wrench? I also have standard wrenches up to 15/16ths, is there a standard size that is close enough to work.

I definatly do not want to round off the oxegen sensor, but I don't want to spend money on a wrench I will only use once either.
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Feb 5, 2002 | 06:14 AM
  #2  
Re: Y-pipe install question, what tool do I need to remove oxygen sensors.
Quote:
Originally posted by Anachronism
I will be ordering a Y-pipe soon and read several write ups on installing it. I think I will be able to tackle this myself. Acording to Maximadriver.com, you need a 22mm wrench to remove the oxygen sensors.

The largest metric wrench I have is 18mm. Can I use a large (good quality) adjustable wrench? Or do I have to buy a 22mm open end wrench or flare nut wrench? I also have standard wrenches up to 15/16ths, is there a standard size that is close enough to work.

I definatly do not want to round off the oxegen sensor, but I don't want to spend money on a wrench I will only use once either.

Yeah, there is a standard size one that will work without problems, but for the life of me I can't remember what it was. For some reason 7/8's jumps to the front of my mind.

However, the correct wrench would be a good investment. When I swap y-pipes I plan on picking up a 22mm.
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Feb 5, 2002 | 06:35 AM
  #3  
7/8" flarenut works fine. They have sockets for this, but for a one time use, i wouldn't buy them. Wrenches work just fine.
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Feb 5, 2002 | 09:50 AM
  #4  
I used a 7/8" O2 sensor socket, but a crescent wrench or something will work just as well.
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Feb 5, 2002 | 10:25 AM
  #5  
They do make a special O2 socket for it, but I just used a 22MM open end.
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Feb 5, 2002 | 10:28 AM
  #6  
If ya got the wrench dont bother with the special O2 tool. I mean how often you gonna use it that a wrech wont do for now anyway.

SuDZ
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Feb 5, 2002 | 11:29 AM
  #7  
Just make sure you put Anti-seize on the thread when you put the O2 sensors into the new Y-pipe. If you don't you'll have a hard time getting them out, if you ever remove the new Y-pipe.
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