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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-24-2010, 02:37 AM   #1
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Post Crank shaft pully noise.

Hi,Does anyone know why my crank shaft pulley would be making such a horrible rattle sound? (it separated?) I'm pretty sure the sound is coming from there. I've replaced the pulley before on my 92 bonnie, and it sounds kinda like the pulley. Anyway, the car I have now is a 94 ssei, it has some issues with the the gages, the oil pressure and temp are 95% of the time at the max right position and once in a great while will be normal after driving it for a long time. So to make a long story somewhat short, I get in my car to go to work and its harder than usual to start and this awful rattling noise sounds like its coming from my engine. So, I notice my overflow is dry, so I put antifreeze in it. Then I checked my oil because it still sounded really bad, and it was down about four quarts. I have no idea how long I've been driving it when its that low on oil, but my gages are all messed up and my oil light never came on or anything. And correct me if I'm wrong but the car won't even start or it will automatically kill if the oil is that low. Its a safety precaution so the engine doesn't seize up, right?It would be very helpful to have someones input on this one because I'm kinda confused why it just started making the noise all of a sudden and what I have to do to fix it. Thanks.
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Old 04-24-2010, 09:24 AM   #2
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If the HB is bad, replace it, could be effecting the crank position sensor and causing the hard start. With the oil being that low it'* possible to damage the engine bearings. Lets hope that is not the case. Fill all fluids and monitor them. Don't rely on gauges to tell you.
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