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Oil pressure sensor

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Old Sep 10, 2020 | 02:26 AM
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Default Oil pressure sensor

I have replaced the oil pressure sensor in my 50th anniversary edition. The new sensor had a rolled crush washer. 1/4 turn past finger tight it felt like the crush washer was collapsing. I took it 1/4 turn more past that and stopped. Should I have gone until the crush washer was completely flattened? Dont want this to leak.
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Old Sep 10, 2020 | 10:17 AM
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The engine oil pressure sensor shall be tighten with 20Nm(15 lb ft) according to the manual
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Old Sep 10, 2020 | 10:34 AM
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Ditto. Just replaced mine and torqued it to 15 lb.ft. per the factory service manual, as stated. It's location makes it prone to heat and vibration, so it is likely to leak if not properly tightened.

Last edited by M.Y.02Z06; Sep 10, 2020 at 10:36 AM.
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Old Sep 11, 2020 | 05:04 PM
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Originally Posted by Travis Armstrong
I have replaced the oil pressure sensor in my 50th anniversary edition. The new sensor had a rolled crush washer. 1/4 turn past finger tight it felt like the crush washer was collapsing. I took it 1/4 turn more past that and stopped. Should I have gone until the crush washer was completely flattened? Dont want this to leak.
Just my 2 cents, but this is one genuine GM part that I personally will never buy again. They fail often, torqued or not. So I went with an aftermarket brand, can't remember which brand, instead. 15,000 miles, several years later, and no issues.....Yet!
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