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bucky_gw

Coolant Leak But From Where?

bucky
18 years ago

I have an 88 Chevy Sportsvan with a 350 engine. I noticed the coolant level in the reservoir tank was low last week so filled it to the full cool level as the engine was cold. After a long trip I noticed coolant leaking under the vehicle. Checked hoses, rad, water pump but couldn't find source of leak. Overflow outlet on reservoir was dry. Reservoir level returned to the same level it was before I filled it. Engine runs cool with no over heating. Does not spill coolant when I run it with reservoir practically empty just when it is topped up to the full cold mark. Whats happening here and where would the coolant be escaping from? Thanks

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