2002 Dodge Ram 1500 Q&A
2002 Dodge Ram 1500 Question: air and heating system
when i turn on the air condition are heater antifreeze runs in the inside of the cab.this also causes my engine to run hot. - Visitor
When the air conditioning is on or the vehicle is in "defrost" the auxiliary fan is supposed to switch on if it doesn't the engine will run hot. If the radiator is partially restricted the cooling system may be put under added pressure when the air conditioning is operating putting stress on the engine's cooling system causing the engine to run hot.. - patrick mannion
i just want to find out what is causing this problem - tony12
replace the heater core - Visitor
The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem d...
Some vehicles may develop a musty odor coming from the HVAC system, Dodge has issued a cleaner/disinfectant and a coating for the evaporator designed to inhibit bacterial growth.
When I turn my a/c to vents or floor,it defaults to my defrost.When I turn it to max a/c it goes to the floor & defrost.When I turn the temp switch to heat,and put the dial to the floor,it comes th...
a/c works,i replaced radiator,water pump,thermostat,flushed the system,and the heater core does not leak