Should heater core lines be hot?
If coolant temperature is acceptable, feel both heater hoses, which should be hot. Check the temperature-control flap-door operation in the under-dash heater-a/c case. Dangle the thermostat in hot water while you monitor the temperature.
What does it mean when both heater core hoses are hot?
temperature blend door
The problem could be a closed heater control valve, defective water pump, air in the system, coolant system restriction or clogged heater core. If both heater hoses feel equally hot, then the most likely problem is the temperature blend door not allowing air to pass over the heater core.
Can a clogged heater core cause no heat?
The most obvious sign of a clogged or broken heater core is that the heat simply doesn’t work when you turn it on. The blower fan will still function as normal but even long past the time when you know heat should be blowing out the air is warm or even cool.
What happens if your heater core is clogged?
If you have a bad heater core, you should bring your car in for repairs right away. Driving with a faulty heater core can be risky, as it can lead to overheating and extensive engine damage. Even a clogged heater core can prevent proper coolant circulation, causing your engine to run hot.
What temp should heater core hoses be?
Check the temperature of the heater inlet and outlet hoses by feel. (The air temperature around the hoses must be at least 85°F (24 °C).
How much is it to flush your heater core?
A heater core flush service will cost around & $79-$89. Flushing the tubes of the heater core can allow for the coolant to flow more smoothly especially if the heater wasn’t working as well as it usually would.
Will heat work if heater core is bad?
Yes, a leaking heater core can cause a loss of coolant and subsequent engine overheating. Although not as common, it’s also possible for a heater core to become obstructed enough to restrict coolant flow and cause overheating. Does a bad heater core affect air conditioning? In most cases, the answer is no.
Why does the heater core not blow hot air?
Both lines going into the heater core warm up but it does not blow hot air Pontiac problems? Ask a mechanic for answers ASAP By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Torrent: lines going..heater core warm up but it does not blow hot air…
Is there a line that blows hot air?
Torrent: lines going..heater core warm up but it does not blow hot air… I have a Torrent it… I have a Torrent it does not gave me heat. Both lines going into the heater core warm up but it does not blow hot air Submitted: 9 years ago.
Is the inlet hose to the heater core hot?
I even drianed the entire system and evacutated all the air out of the system and put a vaccum under and filled the system back up still nothing. The inlet hose to the heater core is very hot it comes out of the front of the engine but the out let hose is warm no where close to hot.
What causes hot engine but no heat from heater?
When the engine is warm feel both heater hoses. If one is cool and one is hot then you have an obstructed heater core (or a bad heater core valve, if it has one. some vehicles use a mechanical valve to turn the coolant flow on and off to the heater core).