Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

The oil light (word) and the oil can blink on the dash with loud dinging noise in cab

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Old Aug 19, 2019 | 03:07 PM
  #21  
H3dennis's Avatar
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Joined: Aug 2019
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I just picked up a very nice 2006 H3 and on the second day I started getting the oil light. After seeing all the post I removed the wire conector and found oil inside of the connector. I used some Oil Eater (by the way it is good to clean up any oil mess) Then sprayed WD40 in the plug followed up with compressed air to clean the plug. It now works fine. I did pickup a new oil pressure switch at O"Reilly Auto STD PS310 at $40.49 with a life time warranty and a 27MM socket to keep in the H3 just incase. Good luck guys.
 
Old Aug 19, 2019 | 07:39 PM
  #22  
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Posts: 8,980
From: C-Town
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Originally Posted by h3dennis
i just picked up a very nice 2006 h3 and on the second day i started getting the oil light. After seeing all the post i removed the wire conector and found oil inside of the connector. I used some oil eater (by the way it is good to clean up any oil mess) then sprayed wd40 in the plug followed up with compressed air to clean the plug. It now works fine. I did pickup a new oil pressure switch at o"reilly auto std ps310 at $40.49 with a life time warranty and a 27mm socket to keep in the h3 just incase. Good luck guys.
did you not read the post above yours?:

Originally Posted by doc olds
welcome to hf.

Avoid, i mean avoid.... Digging up old threads to tack on your question, not the way to do it here. Click my link to read about necro-bumping.

read: Old threads/'necro-bumping'
 
Old Aug 19, 2019 | 07:48 PM
  #23  
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From: C-Town
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Originally Posted by H3dennis
I just picked up a very nice 2006 H3 and on the second day I started getting the oil light. After seeing all the post I removed the wire conector and found oil inside of the connector. I used some Oil Eater (by the way it is good to clean up any oil mess) Then sprayed WD40 in the plug followed up with compressed air to clean the plug. It now works fine. I did pickup a new oil pressure switch at O"Reilly Auto STD PS310 at $40.49 with a life time warranty and a 27MM socket to keep in the H3 just incase. Good luck guys.
Your OPS as failed. Clean the connector all you want and the OPS will still leak!
You need to change the OPS, flush the engine, and refill with a quality, FULL synthetic oil.
Then monitor the color, and change the oil again:

 
Old Aug 20, 2019 | 08:09 AM
  #24  
H3dennis's Avatar
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Thanks.
 
Old Jan 30, 2025 | 12:11 PM
  #25  
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Hi mfitch89,
Liked your post,just stubled across it surfing
I just bought a 2007 H-3 with 110,000 miles and am having same light and alarm issue.
Just bought sending unit,my neighbor says he has the socket
It looks like it"s been almost 10 years since your post.I hope this message finds you well
Cheers,
treetom
 
Old Jan 30, 2025 | 06:33 PM
  #26  
Doc Olds's Avatar
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From: Boat Town USA MI
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Originally Posted by Doc Olds
Welcome to HF.

AVOID, I mean AVOID.... digging up OLD Threads to tack on your question, not the way to do it here. Click my link to read about Necro-Bumping.

READ: Old Threads/'Necro-Bumping'
Originally Posted by treetom
Hi mfitch89,
Liked your post,just stubled across it surfing
I just bought a 2007 H-3 with 110,000 miles and am having same light and alarm issue.
Just bought sending unit,my neighbor says he has the socket
It looks like it"s been almost 10 years since your post.I hope this message finds you well
Cheers,
treetom
Your buddy mifitch89 has not been here in YEARS, as in Last Activity: Sep 9, 2016 09:48.

Read my prior post above. Learn it, love it, live it.
 
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