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Old 10-09-2008, 04:07   #1
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Perkins Coolant Bubbles

I have a Perkins 4108 that runs great but the other day I noticed some dried coolant bubbles around the hoses that go in and out of the heat exchanger. Engine runs great and temperature is perfect at 170-185.

Any ideas???
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Old 10-09-2008, 04:22   #2
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Sounds like a typical seeping leak from around the hoses. You can either just tighten the hose clamps or... do it right.

Pull the hoses of the heat exchanger in/out tubes and wipe the connectiions down and maybe even use a little fine grade sandpaper. Put a little gasket sealant on the in/out tubes, slide the hoses back on and clamp tight. No more leak!
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