1991 Oldsmobile Cutlass Supreme Logo
Anonymous Posted on Jan 06, 2010

Overfilled coolant reservoir

We accidentally overfilled the coolant reservoir in our 1991 Olds Cutlass Supreme. A lot. I'm not sure how to get the fluid out without special equipment. I don't have ramps or special tools. How can I remove enough of the fluid to drive the car? Also, how detrimental is it to drive the car a few blocks in below-freezing temperatures?

  • Anonymous Jan 06, 2010

    I cant get anything down the reservoir. It's curved in such a way I can't even see inside it. Husband just came in and said it's leaking from a couple places, a spot on the radiator and a hose connection. Also there's fluid all over the serpentine belt and basically everything on that side of the engine. I think perhaps we have a bigger problem. :-(

    Thanks though.

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Danny Stetler

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  • Posted on Dec 09, 2011
Danny Stetler
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Overfilling the overflow tank won't cause any problems for you. I agree with your hubby about a different problem. Get the leaks fixed first then see what happens.

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There should be a drain plug on your radiator open it and drain away what you need....alternatively, open either the top or bottom radiaitor hose and drain that way and replace.... simple really!

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  • Posted on Jan 06, 2010
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This should not be a big deal. You can try a syphon tube but DO NOT SWALLOW ANY COOLANT. Or use a large turkey baster to **** up up coolant. It takes awhile though.
The car is fine to drive.

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