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Replacing the Oil Pressure Sending Unit

"How To" Tutorial Library Write tips and instructions on how to install parts or fix problems. This is for detailed "How To's" only, not a forum to ask how to do something. Please post those questions in appropriate forums.

Replacing the Oil Pressure Sending Unit

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Old 12-29-2016, 08:49 PM
  #11  
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FMG - no pictures? I just kept it to the written word, trying to expand your vocabulary ya know?
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Old 12-29-2016, 09:38 PM
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Thanks for the expansion of my brain whopper.
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Old 12-29-2016, 10:30 PM
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Mine was leaking where the Bakelite mets the metal body
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Old 12-30-2016, 12:09 AM
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Originally Posted by firemangeorge View Post
Thanks for the expansion of my brain whopper.
Any time lad. I even typed a slower for you!

Hey Happy New year man - all the best to you and yours in 2017.
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Old 04-14-2018, 07:37 AM
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Mr. Whopper,

Just so I am not making un-needed new threads, this oil pressure sensor is driving me nuts. I have replaced it 3 times and after a month it starts leaking again. I have tried two sensors from Autozone and then one from the chevy dealer (thinking it was just cheap sensors). Dealer one did last a bit longer though. I did torque the sensor back in properly, and I religously change the oil and I assume there is not a PCV valve, given that the crankcase gasses are sent into the intake.

So my question is, am I missing something? Or am I just having really bad luck with new Oil Pressure Sensors? And if you know of any sensor that might be stronger and not made cheap, could you please provide me a manufacturer and part number?
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Old 04-14-2018, 10:02 AM
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Nope - no idea which would be a better unit - the one I picked up was an Autozone part if I remember right. The important point I would expect, would be to not over tighten it.
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Old 04-14-2018, 11:28 AM
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Maybe put some thread sealer on it. I've never heard of anyone having to replace it more than once.

Could it be the leak is not from there, the filter cap is famous for leaking or getting cracked. They are cheap and readily available.

Some people refuse to change the O-ring. They do wear out.
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Old 04-14-2018, 04:32 PM
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I did order the AC Delco oil pressure switch, still not leaking.
My OCD dictated a wrap of Teflon tape to seal the threads, however, the part comes with thread sealant already applied.
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Old 06-11-2018, 10:01 PM
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Well be doing this this coming weekend. Oh what fun.
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Old 06-12-2018, 10:03 AM
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I believe it can be done from up top , but I followed these directions and removed the starter.
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