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Oil pressure needle supposed to be all the way up to 120?

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Old Jun 23, 2009 | 02:17 PM
  #11  
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Originally Posted by 01bse
I have same problem,where is it located on a 01 reg 3.8
Look under your car where the oil filter is and look above it. It might be located in the same location.
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Old Jun 23, 2009 | 03:46 PM
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just replaced mine to,,,, no biggie,,,,,, you'll loose about a thimbal of oil,,,,,, no worries
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Old Jun 26, 2009 | 11:03 AM
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Originally Posted by Danthurs
I would say just the oil pressure sensor.
+1
I just replaced mine yesterday and it took care of the problem. bought it a www.gmparts direct.com

Part Number 12584940 and I paid $36.56 plus shipping. Dealer was alot more.

I had the car put on a lift and it was easy to get to from the back.
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Old Jul 3, 2009 | 05:19 PM
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Default I put in a AC/Delco dealer oem unit and it

went out in 3 days

I went to advance auto parts and had them match pep boys price for a Borg Warner one for $34.89 and it seems to be doing ok.

I would suggest going with the aftermarket one from my short experience. Seems to be working better. It will save you money and work better IMHO

I believe that there may be a fault with these sensors from the dealer. The parts guy at pontiac said he replaces these all the time.
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Old Jul 16, 2009 | 07:43 PM
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Had same problem its kind of hard to get at, but its not that big of a deal...
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Old Jul 16, 2009 | 10:43 PM
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Just got back from putting over 1000 miles on the 03 Bonneville. Oil pressure gauge has been reading two clicks from the 120 mark the whole time. Seemed a little on the high side but I figured if it was really that high it might be spraying some oil out a gasket or two. Thanks for the heads up on what parts to change.
Mike
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Old Jul 31, 2009 | 06:17 PM
  #19  
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Changed it out yesterday. I thought a rag would be enough to catch the oil that would spill. Make sure you put a oil pan under it. Not too much but enough to make a mess. Glad I had a big piece of cardboard under it. Here is a picture of the new one and the old one in the back ground.

I used a 27 mm deepwell socket and small extension to get to it. The socket and extension fit over the top of the axle and brought it out just perfect for the ratchet.
Mike
Attached Thumbnails Oil pressure needle supposed to be all the way up to 120?-bonneville-oil-pressure-sender-002.jpg  

Last edited by bruzer75; Jul 31, 2009 at 06:22 PM.
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Old Aug 7, 2009 | 08:23 AM
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I had the same problem. Autozone cheap fix. Sender is right near the filter. If you combine the sender swap with an oil change it will add 2 minutes of labor.
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