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RTV, sealants and sensors

Discussion in 'Under the Hood' started by spindlecone, December 29, 2004.

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    1. spindlecone

      spindlecone B

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      Most of the Permatex products say they are sensor safe.
      What can happin to a sensor using silicones or sealants that are not deemed so,and what sensors are affected,and How? just curious
       
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    3. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      O2 sensors are sensitive I have heard. Ultra Gray is the safe version. Do you have a specific thought about them?
      Regards,
      DonW
       
    4. spindlecone

      spindlecone B

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      No Thoughts at all, just curious as to what damage can be caused by non-sensor safe RTV and sealents
      Regards Bill
       
    5. huskyfan23

      huskyfan23 Rah no Hans Bwix

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      It can clog the sensor and contaminate o2 readings.
       
    6. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      I love RTV. I bought my house six years ago, and sealed the fireplace two years in a row, with the recommended black tar crap in a tube. It hardened and cracked within a year. After two years, I chose to try Ultra Black, and it hasn't cracked yet. It lasts a whole lot longer than normal household type silicones and sealants.

      I have used it to seal kitchen faucet fittings, shower drain fittings, etc. It's great stuff.
      Don
       
    7. spindlecone

      spindlecone B

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      I may be wrong, I realize if you got the actual sealent into a sensor, that would cause a problem, am thinking the solvents in sealents can cause damage as they harden and gas out
       
    8. huskyfan23

      huskyfan23 Rah no Hans Bwix

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      Well.. sealing components on the engine and all that can cause it to damage the o2.
       

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