Pinhole leak in radiator overflow tank

Asked by JohnTheilen Jun 16, 2017 at 12:19 PM about the 1997 Cadillac DeVille Concours Sedan FWD

Question type: Maintenance & Repair

I own a 1997 Cadillac DeVille Concours.  
The radiator overflow tank has a pin
hole in the top of the tank.  Starts
leaking once the engine is on and the
coolant is pressurized.  Is there a
product available to repair this tiny
leak?

1 Answer

F_O_R answered 7 years ago

Try patching the hole with some silicone sealant temporarily but you need to buy a new one.

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