Damaged threads on my Wideband O2

offset · 04-20-2005, 01:22 PM

I am wondering if anyone happens to know off the top of their head what size tap and die is for an O2 sensor. I think the bung on my midpipe isn't threaded deep enough which caused the first couple threads on my O2 sensor to get smashed. Someone else looked at it and thought that I might be able to get it straightened back out with a die. So I am hoping I can straighten out the threads and then tap the bung a little deeper.

TIA,
offset

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crazymikie · 04-20-2005, 01:26 PM

I'm not positive, but I think it's m18x1.5

Mike

gu5 · 04-20-2005, 03:15 PM

Offset the thread size is m18x1.5 just had to replace my sensor boss on my megan headers the sensor blew out under boost the thread is the same for the rear 02 sensor as well.

offset · 04-20-2005, 04:39 PM

Thanks for the info guys. It does look like that is just what I needed. Now I am off to buy, better yet borrow, a die and tap to get back to tuning.

Thanks Again!!
offset

ride5000 · 04-20-2005, 09:17 PM

it also happens to be a common spark plug thread dia. and pitch, which may come in handy.

04-20-2005, 01:22 PM	#1
offset Scooby Guru Member#: 32636 Join Date: Feb 2003 Chapter/Region: MWSOC Location: Dayton, OH Vehicle: 2004 Impreza STi Silver/Silver	Damaged threads on my Wideband O2 I am wondering if anyone happens to know off the top of their head what size tap and die is for an O2 sensor. I think the bung on my midpipe isn't threaded deep enough which caused the first couple threads on my O2 sensor to get smashed. Someone else looked at it and thought that I might be able to get it straightened back out with a die. So I am hoping I can straighten out the threads and then tap the bung a little deeper. TIA, offset * Registered users of the site do not see these ads.

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04-20-2005, 01:26 PM	#2
crazymikie Scooby Specialist Member#: 56321 Join Date: Mar 2004 Chapter/Region: NESIC Location: Framingham, MA Vehicle: 2008 Lexus IS-F	I'm not positive, but I think it's m18x1.5 Mike

04-20-2005, 03:15 PM	#3
gu5 Scooby Newbie Member#: 82623 Join Date: Mar 2005 Location: england Vehicle: my06 spec-c type ra silver	Offset the thread size is m18x1.5 just had to replace my sensor boss on my megan headers the sensor blew out under boost the thread is the same for the rear 02 sensor as well.

04-20-2005, 04:39 PM	#4
offset Scooby Guru Member#: 32636 Join Date: Feb 2003 Chapter/Region: MWSOC Location: Dayton, OH Vehicle: 2004 Impreza STi Silver/Silver	Thanks for the info guys. It does look like that is just what I needed. Now I am off to buy, better yet borrow, a die and tap to get back to tuning. Thanks Again!! offset

04-20-2005, 09:17 PM	#5
ride5000 Scooby Guru Member#: 32792 Join Date: Feb 2003 Chapter/Region: NESIC Location: lincoln, ri Vehicle: 2003 GGA MBP 12.9 / 105+	it also happens to be a common spark plug thread dia. and pitch, which may come in handy.