Question about 1995 Oldsmobile Eighty Eight
Had this same problem. The plenum has a coolant port for the EGR valve which lets in a small amount of coolant. The intake plenum is plastic and will leak coolant into the lower manifold. You will need to replace the warped leaking plenum with a new one, flush the engine, Coolant DOES NOT LUBRICATE THE MOTOR!!! CHANgE OIL & FILTER.I did this myself, lots of stuff to remove & replace. Runs like new after replacing the plenum.
Posted on Oct 16, 2008
1.Stop leak works if you have a pinhole leak in the radiator itself. Your coolant leak is in the engine.
2. The radiator holds the coolant mixture that passes through the engine and back into the radiator. The air that flows past the coils in the radiator reduces the temperature of the coolant. When the coolant passes through the engine, the temperature of the coolant increases. When you lose coolant directly from the engine, you reduce the cooling system efficiency and on a hot summer day, take more of a risk of overheating the engine and causing the pistons to sieze. If this happens, you need a new engine.
3. Anytime you can put less than $1000 to $1500 in repairs into a car in a year, that's a pretty good deal. You can spend well over $350 each month to make a car payment.
Posted on Jun 12, 2008
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