2003 Toyota 4runner Hi How Can I Check the Whole Coolant System(radiator ,it's Cap, All

2003 TOYOTA 4RUNNER

52,200 MILES

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hi
how can i check the whole coolant system(radiator ,it's cap, all hoses) for any leaks ? and should the engine be off or running for that purpose?

Dec 7, 2012 at 11:08 PM

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