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2003 Cadillac CTS c...
 
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2003 Cadillac CTS coolant leak

  

0
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Coolant leaking but it’s not in the front by radiator its in the middle on the passenger side.  Where can it be leaking from?


Clarification: Mileage and engine?


3.2 L V6 with 101553 miles


3 Answers
2

Are you sure it's coolant?

It could be leaking from many places .... reservoir, valves, hoses, etc.

Use a tracer kit to find the source.

 

https://www.youtube.com/watch?v=rDuGeQnMOzk


Yes I fill it up and it’s empty quick


1

If the radiator itself is leaking, it's probably from the seam on the side of the core.  A new radiator is about $200.


I just order a new one do you think that’s were it’s leaking from


0

There are many places where coolant can leak out. A burst hose is an obvious candidate. On a car that old it might even be corroded core plugs, especially if coolant has not been maintained over the last 19 years. If it is not evident where the coolant is leaking from you can pressure-test the system . UV dye can also be used to help to find the source.

https://www.youtube.com/watch?v=rDuGeQnMOzk


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