Question about 1998 Cadillac Eldorado

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Water pump seal leaking - engine temp normal

Water pump seal leaking, engine temp normal

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Won't be normal for long if the coolant is lost. Seals have reasons for failure and minor problems such as this, a portend eminent total failure.
Good luck and have the pump replaced.

Posted on May 22, 2009

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  • Master
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HI. you will need to replace the water pump asap. once the seal is breached its a done deal. Its only a matter of time when the seal completely fails, causing a very serious over heating situation that will damage this fragile engine.

Posted on May 22, 2009

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Posted on Jan 02, 2017

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1 Answer

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It is one of he things you mentioned.
LEAK: Check the water pump itself. The seal might be gone.
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If your water pump is leaking from the water pump for sure that is causing your over heating problem. I am sure that most likely the seal is gone. There is a main seal in the pump, and those are normally the first to go, and you are better off replacing the whole pump, that trying to fix it. Once your water pump is replaced , the over heating problem should be fixed. If pump is leaking it does not have the pressure provided to have the antifreeze and water to flow correctly through engine block and radiator.

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There are products out there like stop leak that MIGHT stop the radiator leak. However... the only real repair is either to have it soldered (if the end caps are not plastic) or replace the radiator all together.

Adding a product like "Stop Leak" most often starts to introduce other problems to your vehicle like a future water pump seal failure or clogs in the smaller water passages in the engine block, heads and manifolds and the thermostat heater bypass hole. Anyone that has ever done any major engine repairs will know immediately if stop leak was used in a cooling system.

The best fix is to replace the radiator.

Many radiators today can not be repaired

Stop leak is in most any auto parts store. Just be advised of what you can expect down the road.

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No , it's not normal to leak.
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1 Answer

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