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You have to bypass it then you can. SInce it's part of cooling system, bad usually means leaks (most likely into interior) meaning it will also overheat car very quickly from loss of coolant and no pressurization. Connect (2) hoses going into firewall together then adjust coolant level then drive.
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What if you have antifreeze but car still produces no heat?
Bad or clogged heater core. Backflush it.
What is the problem when the window get fogged and a sweet smell is coming from the vents?
bad heater core bad heater core
Your heater blows cold in your Lincoln?
COULD BE A BAD HEATER CORE COULD BE A BAD HEATER CORE sounds like the heater control switch needs replacing.if that doesnt fix it, you need new heater core
Can you drive with a bad heater core?
It is never a good idea to drive with a coolant leak. Overheating can kill an engine quick. So drive at your own risk.
Why does the anti-freeze leak through the vents on a 96 Chrysler lhs?
Check the heater core, it is probably bad. It could be heater hose connections to the heater core, but I would bet on the heater core going bad.
If the windows of your 1996 Mercury Sable fog up with antifreeze moisture but the heat still works is this a bad heater core or poor drainage or something else?
this is an indicator that the heater core has a small leak. there should be absolutly no anifreeze moisture in the car. your heater core is bad , sorry See "Related Links" for heater core replacement information for his generation of Taurus / Sables
Bad smell coming from the heater of your 95 Jeep Cherokee what could cause it?
A bad smell coming from the heater in a vehicle can indicate a bad heater core. One way to check this out is to see if the smell is worse when you sit in the passenger seat. If it is, there is a good chance the heater core is bad.
What are the signs of a bad heater core in 98 ford expedition?
The most common signs of a bad heater core are; no heat or fluid leaking into the passenger compartment. The heater core can have a leak or it can be plugged.
How do you change the heater core of a 1997 corolla and what are the symptoms of a bad heater core?
coolant on the floor
How do you know when a heater core is bad?
You know the heater core is bad when your truck leaks antifreeze onto the floor of the passenger side.
How do you know if your heater core is bad?
The first sign that a heater core is bad is the lack of heat from the blower motor on a vehicle. The second sign that a heater core is bad is water on the floor of the passenger side foot well on a vehicle.
Why no heat in cab of f350 diesel?
no heat can be caused by,blocked heater core insufficient coolant in engine blocked heater hoses from engine to heater core bad heater thermostat bad thermostat in engine bad heater control switch
