Oxygen Sensor...Help
Thread Starter
Heel & Toe
Joined: May 2003
Posts: 21
Likes: 0
From: Enterprise AL
Oxygen Sensor...Help
I recently installed a set of Bosch Platinum 4 plugs in my 88 Coupe and thought it would be a good idea to replace the O2 sensor as well. The old one was giving an occasional fault.
In removing the old O2 sensor there was some thread damage to mounting flange on the exhaust.
I have the new sensor but would like to re-tap the mounting flange nut before I install the new one. The problem is I have had a hard time figuring out what size tap I need to use.
The sensor shaft appears to be an 11/16 with 16 Threads per inch but this does not seem to be a common tap size.
Does anyone know if this particular sensor is metric...perhaps a 16 Millimeter? or what size tap to use?
Believe me when this one goes in there will be liberal amounts of anti-seize applied.
In removing the old O2 sensor there was some thread damage to mounting flange on the exhaust.
I have the new sensor but would like to re-tap the mounting flange nut before I install the new one. The problem is I have had a hard time figuring out what size tap I need to use.
The sensor shaft appears to be an 11/16 with 16 Threads per inch but this does not seem to be a common tap size.
Does anyone know if this particular sensor is metric...perhaps a 16 Millimeter? or what size tap to use?
Believe me when this one goes in there will be liberal amounts of anti-seize applied.
Safety Car
Joined: May 1999
Posts: 3,651
Likes: 5
From: Atlantis
Cruise-In I Veteran
Re: Oxygen Sensor...Help (afree)
Sorry, I don't know what thread size they are.
But, take your old O2 sensor up to your handy Ace Hardware guy and get them to tell you what threads are on IT.
Then you'll know what tap you need.
An alternative is to take your old o2 to Sears and compare it to the taps they have there.
If you were close by I'd fix you up. I've got two LARGE tap & die sets. One Metric and one SAE.
Good luck with it.
But, take your old O2 sensor up to your handy Ace Hardware guy and get them to tell you what threads are on IT.
Then you'll know what tap you need.
An alternative is to take your old o2 to Sears and compare it to the taps they have there.
If you were close by I'd fix you up. I've got two LARGE tap & die sets. One Metric and one SAE.
Good luck with it.
