Coolant Leak & Engine Overheating on Cadillac DeVille

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.


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Average mileage: 180,830 (123,000–231,321)
Engine affected: 4.9L V8
8 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1999, 2000
13 people reported this problem
3 people shared problem details
2000 Cadillac DeVille123,000
water pump is only think not checked. Overheats and now a bubbling noise
2000 Cadillac DeVille231,321
I took out my thermostat because it getting stuck. I had to Replace the thermostat housing because i accidentally broke a bolt in the thread.It doesn't leak from the new parts I just added but it leaks only from the back part of the water pump where the pulley and servateen belt on the driver side under the intake. Someone please help before i put this stop leak in it
1993 Cadillac DeVille189,000
replaced water pump
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