Seized 02 Sensors in manifolds!!

2751 Views 11 Replies 7 Participants Last post by rdslon01, May 30, 2014

LashwayMotorsports

Discussion Starter · May 10, 2014

Hey everyone...just a heads up.

Seems the issues we faced with the 5th gen Camaro exists with the new Vette as well. 75% of the C7's that come in here for header installs have seized front 02 sensors FROM THE FACTORY. Seems like the heat generated at that particular spot on the manifold is causing the threads to "weld" - making it impossible to remove them to swap into the headers. The problem is so prevalent, I keep about 6 sensors in stock at any moment just for this reason. They are about $60 from dealer...if they can get em.

So, if you plan on installing longtubes, better grab a set just in case.

We've also noticed that the pass side sensors are the worst. I have had a few drivers come out, and not the pass side....or worse, both are stuck.

Not cool GM.

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Mobius

· #5 · May 11, 2014 (Edited)

LashwayMotorsports said:
Hey everyone...just a heads up.

Seems the issues we faced with the 5th gen Camaro exists with the new Vette as well. 75% of the C7's that come in here for header installs have seized front 02 sensors FROM THE FACTORY. Seems like the heat generated at that particular spot on the manifold is causing the threads to "weld" - making it impossible to remove them to swap into the headers. The problem is so prevalent, I keep about 6 sensors in stock at any moment just for this reason.

That's good to know. When I get my LRG home from the dealer, and put her on the lift for the CAGS bypass install, I'll remove the O2 sensors and treat them to some anti-sieze.

I have no plans for headers, but all O2 sensors eventually need replacement.

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