2000 Holden Commodore Repair Question
That is a tough one. What to do is get a dye that is designed to go in the radiator. Put it in, run the vehicle, and then you can check for a leak. The dye will glow from where the leak is coming from.
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A pressure test should show up any leaks, check the small hose at the back of the inlet manifold, from factory they used plastic adaptors and when they get a old they crack and leak.
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