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Author Topic: oxygen sensor question  (Read 2832 times)

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2smoke

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oxygen sensor question
« on: April 21, 2011, 01:19:42 PM »

Dudes,

I need an opinion from those in-the-know.  When installing/re-installing your oxygen sensors do you put anything on the threads of do you install them dry?  If the sensor is grounded through the threads I could see the reason for installing them dry but if you are the kind of guy that likes to swap exhausts often I could see putting some anti-seize on the threads for ease of removal.  The MoCo puts them in dry.  Are lubing her up or doing her dry?
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sadunbar

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Re: oxygen sensor question
« Reply #1 on: April 21, 2011, 01:28:20 PM »

I install 02 sensors with an anti-seize compound...
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SBB

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Re: oxygen sensor question
« Reply #2 on: April 21, 2011, 01:30:04 PM »

I install 02 sensors with an anti-seize compound...

Same here!
And apply it generously.

SBB
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StrokedRider

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Re: oxygen sensor question
« Reply #3 on: April 21, 2011, 01:30:53 PM »

Same here!
And apply it generously.

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Dr.D

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Re: oxygen sensor question
« Reply #4 on: April 21, 2011, 01:55:11 PM »

Doing it dry just plain sounds bad mate. Lube-er-up. :D
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Twolanerider

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Re: oxygen sensor question
« Reply #5 on: April 21, 2011, 02:10:47 PM »

Anti-seize.   Most OE will have the threads pre-coated when you pick up replacement at the parts store. 
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mattm

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Re: oxygen sensor question
« Reply #6 on: April 21, 2011, 02:49:49 PM »

Not just Anti-seize, but copper anti-seize (higher temp rating).
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dlaws01

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Re: oxygen sensor question
« Reply #7 on: April 21, 2011, 07:03:13 PM »


Not just Anti-seize, but copper anti-seize (higher temp rating).


The correct answer!
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ssls6

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Re: oxygen sensor question
« Reply #8 on: April 21, 2011, 08:21:18 PM »

I use nickel based anti seize and I try to keep it off the tips, just the threads.
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grc

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Re: oxygen sensor question
« Reply #9 on: April 21, 2011, 08:48:49 PM »


Last time I looked, nickel rich anti-seize compounds tended to rate much higher for temp range than copper products.  I think the copper stuff is rated at up to 1800°F, whereas the nickel stuff is rated as high as 2400°F.  What you don't want is the zinc rich stuff, which is only good up to 750°F.


Jerry
 
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digga25

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Re: oxygen sensor question
« Reply #10 on: April 21, 2011, 08:53:32 PM »

Got to use the anti seize like everyone says.When I changed my exhaust from stock the threads came right out of the headers from being put in dry from the moco.
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Steve Cole

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Re: oxygen sensor question
« Reply #11 on: April 21, 2011, 09:08:20 PM »

Whatever anti-seize you chose to use make sure that the can says O2 SENSOR SAFE. Most types have some lead in them which will kill the sensor in short order! This is why you have to use the O2 safe  one's.
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Twolanerider

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Re: oxygen sensor question
« Reply #12 on: April 21, 2011, 11:28:35 PM »

Ok, here's a specific suggestion.  Permatex 09128 is what I keep around.  It's a copper and is sensor safe.
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sadunbar

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Re: oxygen sensor question
« Reply #13 on: April 22, 2011, 08:47:55 AM »

Ok, here's a specific suggestion.  Permatex 09128 is what I keep around.  It's a copper and is sensor safe.

Same here...
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cvobiker

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Re: oxygen sensor question
« Reply #14 on: April 22, 2011, 08:50:58 AM »

Whatever anti-seize you chose to use make sure that the can says O2 SENSOR SAFE. Most types have some lead in them which will kill the sensor in short order! This is why you have to use the O2 safe  one's.

YES - Good catch Steve,,, very important to follow.  I found this out the hard way....in fact this is the only time I personally experienced a failed WB sensor...   :2vrolijk_21:
« Last Edit: April 22, 2011, 08:53:01 AM by cvobiker »
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