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How to find coolant leak?

  

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  1. Hello I have a 2007 Volvo s40. I have had a problem with the coolant draining rapidly. What do you think the best way to fix coolant leak or hose is? What’s the best way to discover and find out source of problem?

2 Answers
4

Use a pressure tester and/or UV dye to find the leak. Replace the leaking part.

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


4

And if what Chuck mentioned doesn’t point to a leak, pray you don’t have a blown head gasket.  Here’s how you can tell:

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https://youtu.be/QA7KVQq9vKA?si=8PHu3-uX4p86pSpP


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