Question about 1997 Dodge Neon
I changed the thermastat made sure the coolant level was good. but still nothing.
Sound`s very much like an air lock.set heater to hot run engine (rad cap off) switch on blower to max.and see what happen`s..Hope this help`s..
Posted on Jan 06, 2013
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Posted on Jan 02, 2017
Make sure the heater control valve is opening and closing. This is likely under the hood near the rear of the engine. There will be coolant hoses connected to it. This valve allows hot coolant to enter the heater. If the valve fails or gets corroded shut, no hot coolant can reach the heater; and you will have no heat.
Posted on Oct 17, 2009
Check the coolant flow control valve which should be located next to the heater core. It may be electrically or mechanically controlled. After you get the blend door and housing off and can access the heater core, bring your engine up to operating temperature, check that the coolant flow control valve works and see if the heater core heats up. If not it will be either plugged or a low coolant situation. You do not need to change out the evaporator, however it may not hurt to clean it externally with a condenser cleaner such as nubrite, and blow out with air. This would be a good time to change your cabin air filter also.
Posted on Jan 15, 2010
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