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Old 12-22-2014, 10:10 PM   #6
gmtech1
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Re: 97 deville coolant leak

Quote:
Originally Posted by duke316 View Post
Greeting all I have a 97 Cadillac deville with the north star. My problem is I have a bad coolant leak coming from the right side of the car. You can see that it's all wet on the right side but I pressure tested it and it holds pressure and nothing leaks. Where it is wet it looks like it came from the overflow drain tube and it looks like it's been blowing back. I've been going through a lot of anti freeze but it's like chasing a ghost you can see it's wet but under pressure it doesn't leak. It does not overheat. Can it be the water pump?
Water pump is on the left (drivers)side of the engine. I would look a buying or renting a hydrocarbon tester and checking for exhaust gasses in the cooling system.
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