Heater core

Asked by GuruW177C May 18, 2018 at 08:16 PM about the 1999 Ford Crown Victoria Police Interceptor

Question type: Maintenance & Repair

Can a clogged heater core make you build
pressure up in your radiator lines for my 99 Crown
Victoria 4.6

6 Answers

F_O_R answered 6 years ago

No. Too much pressure could be from a bad radiator cap. Normal operating pressure is around 14psi.

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GuruW177C answered 6 years ago

I tested thermostat thermostat is good and why I think it's got too much pressure is you can't squeeze the top radiator hose once it has been running after thermostat opens up

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SweetLeafs37 answered 6 years ago

My crown Vic has a heater core but the previous owner by passed a hose into the motor is that bad I need answer because my crown Vic still leaks water

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