i turned on my heat for the first time this season and now it won't turn off. i had it set to 69 and it's up to 74 now. I've tried everything according to the manual and no luck. please help.
Whenever i turn off my car my heater still runs.. my keys are in my hand.. but the heater is still blowing. and it runs my battery down. so now i have to unplug my battery and plug it back in order to go anywhere. can anybody tell me whats wrong with my car?
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hi olga. The starter won't crank. If nothing happens when you turn the ignition key to the "Start" position, it means that the starter motor doesn't turn over the engine. Most commonly this could be caused by a dead battery; here is How to check the battery. ... The starter motor itself or a starter solenoid could be bad.13 Aug 2013
Your question is in the cars and trucks section, but it sounds like it is about your home ventilation system.
I'm thinking that you probably have an HRV (Heat Recovery Ventilation) system that you are asking about.
- Even in the non heating seasons, these units are intended to operate for 20 minutes of every hour, when humidity gets high, or when a manual timed switch is pressed for bathroom exhaust fans.
- Inside air from the bathrooms and possibly kitchen is sent through the HRV to the outdoors.
- Fresh outside air is drawn in through the HRV at the same time and distributed throughout the home via the vents you are referring to.
- These devices are designed to improve air quality in the home, AND to reduce costs in the heating season.
- Additional devices like furnaces, air conditioners and heat pumpscan be part of the system so it can get complicated.
-If possible, I would be trying to check with the builder of your home to find out what system had been installed.
Possible that the ECT (engine coolant temperature sensor) is faulty, or the wiring to it has been compromised. Try looking the wiring over. If nothing jumps out at you, replace the sensor. Keep in mind, it's the season for critters to seek warmth from engine heat.
that item is called a relay switch. it toggles on and off depending on which electrical component it is connecting. if it's blown, they are cheap and easy to replace like a fuse, but you'll need to look at the fuse box chart (usually on the underside of the lid) to determine which one and where it's located. You can't look inside the relay to determine if blown, but you can replace them one at a time to test...
Also, if you're experienced in electrical, a paper clip can be used when the relay is out, to connect the circuit that you need. use tools and or gloves when attempting this method.
You won't get heat right away. The heat has to have time to reach the heater core. That's where you get the heat for the passenger compartment. But if the fan isn't turning off, then I would have it checked for an electrical problem.
The timing belt syncs everything in your motor to work at the same time, the spark plug ignites, the turns the piston, then turns the cam then turns the transmission...all have a certain timing that each one needs to take place and if that is out of whack your car won't work properly, timing belts should be changed every 50k miles. most likely won't be able to do it on your own because the engine mounts need to me removed in order to get a new belt on and you need a timing light as well. Spend the 400 - 500 bucks to have someone do it, if it breaks it could cost around 1200
The 'whirring' sound from the blower motor could be a dry bearing or damaged armature (part of blower motor that the brushes ride on), or just wore brushes. The smell could be the motor winding wires burning due to blower motor bogging down and overheating. You can replace blower motor with new or salvaged one.
two things come to mind....
1- a electrical component may be heat sensitive and not function after turn off heat soak
2- your fuel pump check valve isn't holding fuel pressure in the fuel loop
Next time check for spark...if thers's spark it's a fuel problem