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04 Sentra no coolant flow

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#1 hairless



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Posted 07 February 2010 - 11:50 PM

2004 Sentra 1.8 No coolant flow. Radiator, water pump, thermostat new. performed compression test. All cylinder within spec #1 and #2 were close to bottom end of spec. Performed block test. test passed. Pulled cylinder head. Gasket blown #2 head warped. Block surface good cylinder bores good condtion. Blew compressed air though all block passages and prior to removing head had blown air through thermostat housing. Air pushed coolant through engine and out upper hose. Replaced cylinder head. Still do not have flow. uppper hose gets hot radiator stays cold. I am open for suggestions

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