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.

weird weird and really weird

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Old 07-05-2007, 12:05 PM
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When a cylinder fills with water or coolant, it won't compress. The engine can't turn. This is called Hyrdrolock.

With the plugs out, it should squirt the fluid out if it'* in the cylinders already.
Old 07-05-2007, 12:15 PM
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so then this would basically completely damage my motor meaning that i need to find a new one
Old 07-05-2007, 12:25 PM
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Let'* dig into it before we discuss that. There are alot of IF'* here. We don't have enough information to diagnose it yet.
Old 07-05-2007, 01:41 PM
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Right now we are theorizing that you are trying to start the motor with one or more cylinders currently filled with coolant and it'* been that way since you first mentioned the issue.

By removing the spark plugs, you relieve the pressure being created in the cylinder and IF..there is coolant in the cylinders and your battery and starter are working..your engine should turn over. Turning over will not damage the engine. Attempting to crank while hydrolocked could potentially damage some components.
Old 07-06-2007, 02:57 PM
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so once i remove the spark plugs in the rear, then try to fire up the car?
Old 07-06-2007, 03:07 PM
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Front and rear. All 6 plugs. Crank and see if it turns over. It won't start without the plugs.
Old 07-09-2007, 02:48 PM
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well, unfortunately, I cant work on the car in the complex where i live at (apartments) sooo I might have to sell her. Just got into some trouble here with the managers. They asked me why my car was leaking coolant all over the ground and why my hood was up and they didnt like the fact that i was working on the car there. Sooo now i'm screwed. Car is going up for sale. Any offers?
Old 07-09-2007, 03:05 PM
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Originally Posted by 3064datazz
well, unfortunately, I cant work on the car in the complex where i live at (apartments) sooo I might have to sell her. Just got into some trouble here with the managers. They asked me why my car was leaking coolant all over the ground and why my hood was up and they didnt like the fact that i was working on the car there. Sooo now i'm screwed. Car is going up for sale. Any offers?
I suggest you find out whats wrong first doesn't make sense to sell it the way it is now. It may be something simple to fix and you'll lose money on the sell. Anyways tow it to a friends house or something if you can't work on it there.
Old 07-09-2007, 03:35 PM
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well, i dont have all the money or the time, to try and figure out what the problem is. Otherwise, I would keep the car. Right now, i gotta borrow my parents car or the gf'*, and i'd rathers sell it to someone who can take the time and figure out what the car really needs, then for me to take it to a buddies house, and only get to work on it once a week if that. i see what you're saying but my hands are kinda tied
Old 07-19-2007, 12:31 PM
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hey guys its been a while, but i finally got a chance to get the plugs I pulled out two, and gas came pouring out of the motor with coolant! But i pulled them out, and i tried to start the car up, and the motor did in deed turn over. So what are we thinking next? upper intake manifold?


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