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Cadillac STS: antifreeze leak 1992 cadillac sts not coming…

Customer Question
antifreeze leak 1992 cadillac sts...
antifreeze leak 1992 cadillac sts not coming from radiator. seems to be coming from the top or mid engine from a tube drivers side close to tire.
Submitted: 2 years ago.Category: Cadillac
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Answered in 20 hours by:
6/1/2015
Cadillac Mechanic: Mike S., ASE Certified Technician replied 2 years ago
Mike S.
Mike S., ASE Certified Technician
Category: Cadillac
Satisfied Customers: 8,016
Experience: ASE certified
Verified
The best way to find the leak is to rent or borrow a cooling system pressure tester and pump the cooling system up to whatever the cap is rated at, usually about 15 psi or so and then look for the leak. The leak will be much easier to see with pressure on the cooling system.
Just wsh off any previous coolant and make sure the radiator is full before hooking up the tester.
I believe autozone will allow you to borrow their tester for free.
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Mike S.
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Category: Cadillac
Satisfied Customers: 8,016
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