What did you do to your NNBS GMT900 Tahoe/Yukon Today?

[gooffeyguy]

There rated for 100k, did all 4 of mine around 98k, about $200 from RA for oem

Got that, but was asking @the_tool_man how many miles was on his truck when Blackbear said they were going bad.

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[Doubeleive]

Got that, but was asking @the_tool_man how many miles was on his truck when Blackbear said they were going bad.

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They tend to go longer than what they are rated for, depends on how you drive mostly I think, I only did mine as preventative maintenance I have had a bit of trouble with 02 sensors in the past probably because I didn't change them all at the same time like they recommend and my exhaust had been welded on multiple times because of the cat's going bad on me left & right.

 

[Doubeleive]

FYP

perhaps

 

[the_tool_man]

How many miles are on it?

I'm thinking about replacing my O2s but it seems to run fine.

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It had 98k when tuned, 122k now. He didn't say they were bad, per se. But he said it would be a good idea to replace them soon.

 

[the_tool_man]

Consider yourself lucky with the O2s.

Lucky how? That I got 122k out of them, or that I didn't lose any fingers replacing them?

 

[Rocket Man]

Lucky how? That I got 122k out of them, or that I didn't loose any fingers replacing them?

That there was threads left over to screw the new sensors into, I’m guessing.

 

[Tonyrodz]

That there was threads left over to screw the new sensors into, I’m guessing.

Yeah. That they came out without a headache or hassle.

 

[iamdub]

Lucky how? That I got 122k out of them, or that I didn't lose any fingers replacing them?

Hi. Welcome to TYF where we have threads with 19 pages about unscrewing one effin' sensor.




...Ok, so it's just one thread.

 

[George B]

Hi. Welcome to TYF where we have threads with 19 pages about unscrewing one effin' sensor.



...Ok, so it's just one thread.

And in the end there wasn’t any threads left...

 

[wsteele]

There rated for 100k, did all 4 of mine around 98k, about $200 from RA for oem

Funny, I just went through all my maintenance records for the Yukon and couldn’t find I ever bought new O2 sensors and no service invoices showing even one was replaced.

So I decided I would order 4 Delco OEM sensors from RA and replace them all. When I went on their site, they label both part numbers they sell for my model year as Downstream.

Did you run into that when you got yours? I suspect Denso makes them for Delco, might just get those.