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Old 08-01-2013, 05:16 PM   #1
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Default Oil Pressure Gauge - going??

Hello:

I have a friend that also has a Bonneville SSEi and is having a "problem" with his oil pressure gauge.

Sometimes the gauge will stay at 0 and then sometimes it appears to we working and going to the 40+.

It stays at 0 more than it moves...

Is it going "bad"?

I thought they were either bad or good - did not know if they could be "going" bad, or not?

Thanks!
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Old 08-01-2013, 06:06 PM   #2
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There is only 1 sure fire way to determine if its the sending unit. Install a mechanical oil pressure test gauge and verify the oil pressure. 99% of the time, its the sensor.
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Old 08-02-2013, 12:09 AM   #3
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where is the sensor located? i cleaned the oil from my engine and now the oil guage is at 100%,at first it went to 0 and computer said gauge problem...
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Old 08-02-2013, 01:03 AM   #4
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Should be just behind the splash guard of the rear wheel well if I remember correctly. There is a special socket for removing it without damaging it but many people opt not to use it and usually have no issue. If you can rent one free or don't mind buying one, I would recommend the tool.
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Old 08-02-2013, 08:26 AM   #5
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Passenger side wheel well. Remove the splash guard and you will see it sitting just above the oil filter. I have gotten away with just using a crescent wrench. You can use an open end wrench, but I don't know what size you need. I believe my sensors are bigger than yours.(1992-1999) vs your (2000-2005)engines.
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Old 08-02-2013, 05:26 PM   #6
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LOL... rear wheel well.... Can you tell I didn't sleep much in Texas this week?
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Old 08-02-2013, 07:45 PM   #7
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The special deep well socket used to remove the sender works fairly well, although when I removed one with it the sender broke, I did not have a problem using it to install the new sender though.
Try to get at it with a crescent wrench as Mike suggested, and if that does not work then get the socket Lisle makes, if yours is the short 1" sender, then get the universal Lisle socket, if your sender is the longer sender, then Lisle 13150 should be what you'd need.
I'll post links to both.


Amazon.com: Lisle 13200 Universal Oil Pressure Sending Unit Socket: Automotive Amazon.com: Lisle 13200 Universal Oil Pressure Sending Unit Socket: Automotive


Amazon.com: Lisle 13150 GM Oil Pressure Sending Unit Socket: Automotive Amazon.com: Lisle 13150 GM Oil Pressure Sending Unit Socket: Automotive
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Old 08-02-2013, 08:05 PM   #8
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Fixed. Thanks
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Old 08-02-2013, 08:41 PM   #9
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Good to hear, thanks for letting us know that fixed it.
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Old 08-03-2013, 09:46 AM   #10
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I had the socket for it..my father has been a ford mechanic since the 50'* but he don't know Pontiacs..got 5 tool boxes...lol
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