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Heater
1991 Ford Explorer

Heater

(1991 Ford Explorer)
heater blows hot for only a few seconds and then goes cold no smells like you have if core is leaking any ideas or solutions???
3 answers & 0 comments
Popular Answer
on November 20, 2010
Heater cores are not terribly hard to remove on this truck. If you suspect a leak in your core or clogged passages, it might be a good idea to replace it proactively. In the meantime, the thermostat is a likely cause - staying open once it opens the first time perhaps.
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General Diagnosis
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on November 20, 2010
Heater cores are not terribly hard to remove on this truck. If you suspect a leak in your core or clogged passages, it might be a good idea to replace it proactively. In the meantime, the thermostat is a likely cause - staying open once it opens the first time perhaps.
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on November 20, 2010
change therostat 195deg then take heater hoses off at engine get a colipin to go between water hose and heater hose flush heater core start with one hose then the other flush till water runs clear
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Check coolant level.
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