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Oil Pressure Sensor Double Take

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Old Aug 6, 2007 | 04:00 AM
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Default Oil Pressure Sensor Double Take

The dial on my oil pressure gauge was pegged all the way over to the right on the maximum pressure. A technician diagnosed it and said my oil pressure sensor needed to be replaced. Two weeks after he replaced it, less than 500 miles later, I started my car up one morning and the dial on my oil pressure gauge was pegged again.

The technician said the sensor must have failed. He's going to replace it a second time.

Has anyone heard of this kind of a problem of a new oil pressure sensor failing so quickly on a 2000, six speed manual?

Is this cause for concern?
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Old Aug 6, 2007 | 07:11 AM
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Originally Posted by Uptospeed
The dial on my oil pressure gauge was pegged all the way over to the right on the maximum pressure. A technician diagnosed it and said my oil pressure sensor needed to be replaced. Two weeks after he replaced it, less than 500 miles later, I started my car up one morning and the dial on my oil pressure gauge was pegged again.

The technician said the sensor must have failed. He's going to replace it a second time.

Has anyone heard of this kind of a problem of a new oil pressure sensor failing so quickly on a 2000, six speed manual?

Is this cause for concern?
Very common issue for many...do a search on it...I changed my own a while ago, no issues since but, many have had numerous failures...the premature failure of the newly installed oil pressure sensors is perhaps due to over torquing when installing the new one...
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Old Aug 6, 2007 | 08:22 AM
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Many posts on this topic...
the theories are:
1. the old sensor was brass, all new ones are aluminum. The difference in thermal expansion of the two metals permits leakage that lets oil bypass the seal and damage the electronics.

2. the terminals on the harness end got contaminated with oil from the old blown sensor, when the new one was put in the oil was not cleaned and has seeped ontothe new sensor causing premature failure.

3. The correct torque setting is 15 ft-lbs. an incorrect torque was applied damaging the sensor upon installation.
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Old Aug 6, 2007 | 12:53 PM
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My oil pressure has been pegged at 130 psi for a few weeks now, holding off on replacing it because all of the reported failures of the replacement units. If I can be sure that if I install it correctly it wont fail again I will go ahead and replace it.
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Old Aug 6, 2007 | 01:12 PM
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Go here for discussion http://forums.corvetteforum.com/show....php?t=1472249

7 pages of info.

Good luck
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Old Aug 6, 2007 | 01:45 PM
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For best results don't use a GM replacment. almost all reoccurring failures are on GM senders. Obviously all first time failures are GM parts. And there are a lot.
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Old Aug 6, 2007 | 05:24 PM
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Default pegged awl pressure gage

Mine doo's thet when tha awl gits thin. ah change tha awl/ filter an it go back ta normal. done tha same thang bout 10 times now.



never has changed tha sensor.

Last edited by Buckskinner; Aug 6, 2007 at 05:29 PM. Reason: add info
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Old Aug 6, 2007 | 05:55 PM
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Did ya NOT see the sticky???
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Old Aug 6, 2007 | 07:31 PM
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Originally Posted by Buckskinner
Mine doo's thet when tha awl gits thin. ah change tha awl/ filter an it go back ta normal. done tha same thang bout 10 times now.



never has changed tha sensor.
are you serious... ?
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Old Aug 7, 2007 | 01:01 AM
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How can you possibly think that HE is serious ?
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Old Aug 7, 2007 | 07:50 AM
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dun it las week, stayed peged fer bout 6-7 days. changed awl sundee, back ta normal yesterdee. fine so fer this morn. serus as can be. been doon it fer 200,000 mile
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Old Aug 7, 2007 | 10:13 AM
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Originally Posted by Buckskinner
dun it las week, stayed peged fer bout 6-7 days. changed awl sundee, back ta normal yesterdee. fine so fer this morn. serus as can be. been doon it fer 200,000 mile
afer ya dun it did ya et sum french fried taters?
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Old Aug 7, 2007 | 11:09 AM
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naw, had grillt venison backstrap, wif bakt sweet tater'n turnip green an sour dough bread
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Old Aug 7, 2007 | 12:04 PM
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Changed mine last month, it took a whole 50 miles for it to fail and that was a unit from Napa with fresh oil!
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Old Aug 7, 2007 | 01:20 PM
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damn, Buckskinner..............that's some funny stuff! Thanks for the laughs today!!!
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Old Aug 7, 2007 | 05:13 PM
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Originally Posted by Uptospeed
The dial on my oil pressure gauge was pegged all the way over to the right on the maximum pressure. A technician diagnosed it and said my oil pressure sensor needed to be replaced. Two weeks after he replaced it, less than 500 miles later, I started my car up one morning and the dial on my oil pressure gauge was pegged again.

The technician said the sensor must have failed. He's going to replace it a second time.

Has anyone heard of this kind of a problem of a new oil pressure sensor failing so quickly on a 2000, six speed manual?

Is this cause for concern?
Yup...My 97 was pegged and I didn't even notice it until the buyer pointed it out.
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Old Aug 7, 2007 | 05:54 PM
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Originally Posted by Buckskinner
Mine doo's thet when tha awl gits thin. ah change tha awl/ filter an it go back ta normal. done tha same thang bout 10 times now.



never has changed tha sensor.
http://rinkworks.com/dialect/
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Old Aug 7, 2007 | 07:04 PM
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Same thing happened to me. My new sensor failed after two months. I'm ordering a brass Buick sensor and doing the remote mounting mod by drilling an access hole under the wiper cowl.
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Old Aug 7, 2007 | 07:45 PM
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Originally Posted by rws.1
Many posts on this topic...
the theories are:
1. the old sensor was brass, all new ones are aluminum. The difference in thermal expansion of the two metals permits leakage that lets oil bypass the seal and damage the electronics.

2. the terminals on the harness end got contaminated with oil from the old blown sensor, when the new one was put in the oil was not cleaned and has seeped ontothe new sensor causing premature failure.

3. The correct torque setting is 15 ft-lbs. an incorrect torque was applied damaging the sensor upon installation.
Very good i9nf...a friend had a second to fail because of oil from the first one got on the pins and it failed...has a new one in without any problems so far...
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Old Aug 8, 2007 | 12:02 AM
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Default GM certified

My technician is GM certified and has a good reputation among Corvette owners in my town. Any advice on whether or not I should mention any of the suggested fixes when I bring my car in?
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