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Coolant leak from mystery hose

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Old September 2nd, 2024 | 9:25 PM
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Zimmermy's Avatar
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Default Coolant leak from mystery hose

Hello - I have a chevy express 3500 V8 4.8L year 2009. I have a coolant leak behind the water pump/thermostat.
The other end of the hose that is connected here is connected directly under the radiator cap. I can't find the name of the part to replace. Do you have an idea?




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