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PostPosted: Mon Nov 20, 2017 12:04 pm 
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Joined: Thu Nov 04, 2010 8:33 pm
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Year and Trim: 2001 SE
While driving yesterday, my pressure gauge suddenly went to 0. The car seemed to be working fine. Got a check gauges message. After a couple of minutes, indicator started climbing to about 60 and then went back down to around 38. My shop says I need an Oil Pressure Gauge Switch which is thirty some dollars from Advance with discount. Does this seem right? Rockauto doesn't have the part at all and Advance makes a Driveworks for 37, a BWD for 42, and a Wells for 72. Advice?


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PostPosted: Mon Nov 20, 2017 12:15 pm 
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Location: Browerville, MN
Year and Trim: 2004 GXP - plus a handful of other Bonnevilles
Yes, super common problem. Replace the switch next time you do an oil change. The sensor is directly above the oil filter and some oil will come out when you remove it.

FYI, Rockauto does carry them, they have 4 options. Electrical-Switch & Relay -> Oil Pressure Sender / Switch

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2004 Bonneville GXP | White Gold Tricoat | custom built supercharged 3800 hot rod
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PostPosted: Mon Nov 20, 2017 1:26 pm 
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Year and Trim: 2001 SE
Thanks. But I still can't see it in RockAuto. Looked under Electrical Switch and Relay but the only thing under oil pressure is the oil pressure switch socket tool.


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PostPosted: Mon Nov 20, 2017 1:34 pm 
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Location: Muskego,Wisconsin
Year and Trim: 2000 SLE & 2001 SLE
1975 Monte Carlo
I buy my switches from Auto Zone.
They have a life time guaranty.
I have replaced 3 or 4 in the last 6-8 years on my two Bonnevilles.
I just take in the defective one and they give me a new one.
This is a common problem on these cars.
I use a deep 27mm socket to take it off.


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PostPosted: Mon Nov 20, 2017 3:21 pm 
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Thanks. Will do.


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PostPosted: Mon Nov 20, 2017 6:20 pm 
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Location: Browerville, MN
Year and Trim: 2004 GXP - plus a handful of other Bonnevilles
Quote:
Pontiac -> 2001 -> Bonneville -> 3.8L V6 -> Electrical-Switch & Relay -> Oil Pressure Sender/Switch


If you can't figure out how to get there on RockAuto, just search the part numbers


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rockauto.JPG
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2004 Bonneville GXP | White Gold Tricoat | custom built supercharged 3800 hot rod
2005 Town & Country Limited | Butane Blue Metallic | 270k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 190k | Official Bonneville Hauler
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