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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 01-11-2010, 09:49 PM   #21
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Thumbs up Been there (Spun bearing)

I have a 1997 SSE , and three years ago at 97,000 miles, mine spun a bearing . I went to ebay and found MORAD AUTO PARTS , they specialize in Bonnevilles , and purchased a 1999 3.8l engine that had 56,000 miles on it for around $650.00 plus freight. It is still an excellent engine without any mechanical problems. My car now read 132,000 miles. MORAD will have a newer type engine, PCM, anything you may need for a bonneville. All guaranteed for a period and all available to pick up or ship. Just giving this for info, I have used them on different parts several times other than the engine, with very good service and communication on the computer and phone. Just putting it there for you to look at if needed. Thanks and good luck.
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Old 01-12-2010, 03:13 AM   #22
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They look like a great source but unfortunately I own a 92, and series 1 L67s are very hard to find. From what I can figure, it'* worth more to me to have a drivable car than it would be to sell it. So right now I have to bite the bullet and spend more money on an 18 year old car I've already sunk $2000 into. Once the new crankshaft and bearings get installed, I should practically have a brand new engine.

I like Bonneville'* but GM and their intake manifold issues...!!! I only wish I'd known why I was loosing so much coolant before it was too late. Only 2 weeks after the LIM got fixed the oil pressure began to drop. Apparently my mechanic said if I hadn't spun a rod bearing (which happened several months after I began to notice low oil pressure) I new set of bearings would've of fixed it because the crankshaft was in decent shape, apart from that one trouble spot. Such is life I guess.
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Old 01-12-2010, 01:04 PM   #23
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yeah. it happens. Good to see you are doing the oil pump at the same time. That was the issue with my 93 SSEi. The oil pump failed, pressure shot up, blew the filter off, dumped all the oil, and spun a bearing (all before I owned it. Bought it like that). I got lucky and found a 93 motor with 28k on it for $450 and dropped it in and drove it for 25k before selling the car. I did, however find a 94 SSEi motor with 65k on it for $250 and kept it for a spare, cause at the time I found it easier to just replace the motor if something internally went.

When you get everything changed over, make sure to do an oil change after running the engine for a short time to get and metal flakes from the spun bearing out. i would then change the oil at 500 miles, and then again 1000-1500 miles after that, just to be sure you got everything out.
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