Question about 1998 Chevrolet Lumina

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I have coolant leaking from underneath my 1998 Chevrolet Lumina

I have coolant leaking from underneath the car.

Specifically, the coolant is coming through a plate with four holes on it underneath the car; this plate is located near the side of the engine with the drive pullies.

I thought that possibly the water pump or water pump gasket is leaking. However, I am not sure where the water pump is on this vehicle. I would expect the water pump to be on the bottom, but I can see no evidence that this is the case (like say a radiator hose).

There is a radiator hose fitted onto a nipple on one of the components on the very top of the engine. Is this the water pump? If so, is it possible for it to leak from the inside, then down through that plate? If it is not possible, where would this coolant be coming from?

By the way, the plate with four holes in it is not referenced in either manual I have checked as a part, so I am not sure what it is for.

Thanks.
Rick M

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  • 7 Answers

Water pump is located in the center of the left side. If you remove the plate you mentioned, you can probably see it. It is probably the source of the leak. The seals are prone to go bad in them.

Posted on Jun 17, 2009

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