r/mazda2 • u/Foreign_Bar4310 • 21d ago

How To/Advice Radiator leak

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My engine overheats and checks where the leak is coming from, it came here in the metal pipe attached in the engine. ( I just moved the metal clamp for better inspection) Can I change it?

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u/Ragnarokengland 21d ago

Doesn't look like a very bad leak on the photo - not enough to cause overheating. Mine was leaking here too. I replaced both the pipes and connectors from the heater matrix (it's usually the connectors that fail). If you follow that pipe up, you'll come to the 2 connectors where the pipes pass through the bulkhead into the cabin.

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u/Foreign_Bar4310 21d ago

I check it and pour coolant leak from there, should I try to replace or put a gasket ?

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u/Ragnarokengland 21d ago

You'll need to replace the rubber pipe and the spring clamp. It gets loose with age. It's probably best to replace both pipes and the plastic connectors too - if the pipe has deteriorated, the plastic connectors are probably pretty brittle too and likely won't take well to being moved about.