LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

o2 sensor replacement

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Old May 13, 2003 | 02:07 PM
  #1  
americanmusscle's Avatar
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From: Phoenix,Az
Smile o2 sensor replacement

Does anyone have a step by step thing i can go by. Is it easy to do? Just wondering i know there are two on my car, one on the driverside near the manifold and the other on the lower y pipe i believe on the passenger side.
Old May 13, 2003 | 02:14 PM
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I did mine when I did my headers....

they're pretty simple. All you do is unscrew them, take them out and replace....the details aren't all that good, but if you're looking at a new O2 sensor as you're pulling (unscrewing) the other one, it's very simple.

Good luck!
Old May 13, 2003 | 02:19 PM
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if you got the stock manifolds your going to want to buy an o2 sensor socket. other wise it's a pita. it will make tghe job go alot easier. other wise it's pretty simple.
Old May 13, 2003 | 02:32 PM
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From: Fort Smith, AR
Originally posted by qwick_trip
if you got the stock manifolds your going to want to buy an o2 sensor socket. other wise it's a pita. it will make tghe job go alot easier. other wise it's pretty simple.
He hit the nail on the head there! I did mine not to long ago thinking it was going to be fairly simple, but I was mistaken. I started out using a crescent wrench which is definately the wrong tool to be using! Then I bought a 7/8" wrench which made things easier but still not as easy as having an O2 Sensor Socket I'm sure. The only advise I have is to use some PB Blaster if you're having trouble getting them out. I also unbolted the starter (2 bolts) and moved it up out of the way so I could gain better access to the passenger side sensor. I removed both sensors from the bottom. Hope this helps.
Old May 13, 2003 | 03:37 PM
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americanmusscle's Avatar
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Do they sell the sensor sockets at checkers or auto zone?
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