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Oil Pressure Sensor

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Old Mar 29, 2013 | 02:17 PM
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Default Oil Pressure Sensor

I think my oil pressure sensor is shot. My instrument gauge is maxed at 80 PSI and the computer tells me 130 PSI. No problems with engine, etc. that I can tell. Where is the best place to find a good deal on one of these?

I found install instructions on this forum...

Thanks.
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Old Mar 29, 2013 | 02:58 PM
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Advance Auto Parts has the brass base ones with a lifetime warranty for around $40.
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Old Mar 29, 2013 | 04:26 PM
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O'Rielly as well.
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Old Mar 30, 2013 | 10:06 AM
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GMPartshouse has the current factory replacement. If color matters it is the aluminum colored one.

The trick seems to be don't over torque them. Over two years and counting.
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Old Apr 11, 2013 | 05:22 PM
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Originally Posted by johnson-rod
GMPartshouse has the current factory replacement. If color matters it is the aluminum colored one.

The trick seems to be don't over torque them. Over two years and counting.
I looked on the GMPartshouse website, and could not locate it. The part number seems to be ACDelco # D1846A.
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Old Apr 11, 2013 | 05:30 PM
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Originally Posted by 01redfreak
I looked on the GMPartshouse website, and could not locate it. The part number seems to be ACDelco # D1846A.
Don't take any chances with the GM sensors; they are widely known to fail way more often than not. Get the brass one from Advance Auto or Oreilly Auto Parts. These come with a lifetime warranty from the manufacturer that GM does not offer, and are well known to last.
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Old Apr 11, 2013 | 05:51 PM
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And once again, proper torque is important.
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Old Apr 11, 2013 | 05:53 PM
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Originally Posted by maxx2200
And once again, proper torque is important.
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Old Apr 11, 2013 | 05:57 PM
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Thanks guys. Do you know off the top of your head the proper torque? I can look it up if not.
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Old Apr 11, 2013 | 06:25 PM
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Originally Posted by 01redfreak
Thanks guys. Do you know off the top of your head the proper torque? I can look it up if not.
15 ft lbs
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Old Apr 11, 2013 | 11:49 PM
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Originally Posted by Corvette_Ed
Don't take any chances with the GM sensors; they are widely known to fail way more often than not. Get the brass one from Advance Auto or Oreilly Auto Parts. These come with a lifetime warranty from the manufacturer that GM does not offer, and are well known to last.
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Old Apr 12, 2013 | 01:02 AM
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Originally Posted by 01redfreak
Thanks guys. Do you know off the top of your head the proper torque? I can look it up if not.
Another view on proper torque on the oil pressure sensor. Internet lore.

Quote:
Originally Posted by Zak77 View Post
It's pegged. When I turn the car on, it goes from zero to 80. I might have over torqued it as my torque wrench did not seem to be working, as it did not "click" when I was tightening it. Damn.

A highly doubt you overtorqued it. A lot of people regurtitate what they've read on this forum, without even knowing if there is a modicum of truth(or common sense) to the story. All the electronics are in the top part of the sensor body. So even if you did overtorque, the worst it would result in would be a leak....or snapping the threaded part in the block. I'm sure there are plenty of the GM aluminum bodied sensors still lying on parts shelves(the bad ones). Contrary to popular belief, the material has nothing to do with the failures, rather, it's the electronics that fail. Get yourself an aftermarket one from your favorite parts store(of the brass variety...so you know it's not a GM unit).
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Old Apr 12, 2013 | 08:49 AM
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Originally Posted by BigGun
So even if you did overtorque, the worst it would result in would be a leak....or snapping the threaded part in the block.
And this is exactly why you don't over-torque. A leak is an easy fix, but snapping the sensor off in the block is a major PITA to fix.
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Old Apr 12, 2013 | 12:36 PM
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Originally Posted by Corvette_Ed
And this is exactly why you don't over-torque. A leak is an easy fix, but snapping the sensor off in the block is a major PITA to fix.
If you don't know enough to keep from snapping it off in the block you shouldn't be working on it to begin with.
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Old Apr 12, 2013 | 12:47 PM
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Originally Posted by BigGun
If you don't know enough to keep from snapping it off in the block you shouldn't be working on it to begin with.
Agreed, but some think they know more then they actually do.
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Old Apr 12, 2013 | 02:14 PM
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ac delco sensor is 38 dollars shipped on amazon
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Old Apr 12, 2013 | 02:25 PM
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Originally Posted by racebum
ac delco sensor is 38 dollars shipped on amazon
That's just about the same price for the brass one from O'Reilly, and you don't have to wait for shipping.
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Old Apr 12, 2013 | 02:26 PM
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I went through 2 brass ones. got an aluminum one from the dealer and no problems yet after 20k...

I'd put this part under the category of routine maintenance since they fail so often.
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