oil pressure sensor/ sending unit - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-05-2008, 11:11 AM   #1
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Default oil pressure sensor/ sending unit

Ihave a 96 ssei and was wondering if anyone could tell me where the oil pressure sensor and sending unit are and how to replace. it would be greatly appreciated.
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Old 03-05-2008, 11:14 AM   #2
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Go in through your right front wheelwell (tire off, inner liner off), and you'll see it sticking out the back of the motor pointing towards the firewall. Just above the oil filter.
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Old 03-05-2008, 11:43 AM   #3
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Default sending unit

thank you . i would be lost without this site also i was thinking of getting an online factory manual for my car looked into alldata is that a good one or do you have a better recommendation ?
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Old 03-05-2008, 11:51 AM   #4
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Buy the factory service manuals from www.helminc.com

Do an ebay search on 1996 Bonneville Manual. Many Factory manuals at the bottom of the page.
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Old 03-05-2008, 08:54 PM   #5
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Default oil pressure

what should the oil pressure be at idle on a 1996 ssei thanks.
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Old 03-08-2008, 01:09 AM   #6
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Default oil sending unit pictures

tpulliam79,

I actually just replaced the one on my 96 SE today and took some pics. I bought the part from Advance for $20 and it took me about 25 minutes to replace it (including jacking up the car and removing the tire and inner liner). I used a small screwdriver to remove the wire clip and channel locks to unscrew the old sending unit. Hope these pictures help.

Screwdriver pointing to the sending unit:
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From inside fender well with tire removed. My finger is pointing to where I unscrewed the sensor from:
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Sensor removed from this port:
Name:  Oil003.jpg
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Old 04-03-2008, 02:35 PM   #7
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thanks for the pics and details
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Old 04-03-2008, 05:12 PM   #8
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If you're long enough you could just jack up the front end of the car a bit and change it by going through the top engine bay. This was much easier for me.
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Old 04-03-2008, 06:02 PM   #9
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Default Re: oil pressure

Quote:
Originally Posted by tpulliam79
what should the oil pressure be at idle on a 1996 ssei thanks.
Generally speaking, above 40 psi. Your oil pressure should not drop into the red part of the gauge, ever. Oil pressure varies with the viscosity of the oil, which is affected by temperature and dilution. Oil pressure also drops when the spaces it is pumped through grow larger through wear.
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