What makes car heater not work

If you are facing any of these problems, we are just a click away. Hi Ravinder, It all depends on the situation and the reason for the overheating warning to light come up. As there are various reasons due to which this light pops up. This site uses Akismet to reduce spam. Learn how your comment data is processed.

Sign in. Log into your account. Forgot your password? Create an account. Sign up. Password recovery. Recover your password. The heater may be doing its job. This is more common with older cars. If the thermostat is the culprit, you may have bigger problems because the vehicle will start to overheat.

When a furnace malfunctions, you replace the entire unit. Request Callback. UK and European vehicle breakdown recovery. Here's What to do. Car Heater not Working? Here's What to do Friday, 12 February , In most cases, heater issues fall under two headings: 1.

Systems that blow air There could be a blockage or other problem stopping heated antifreeze from moving through the heater core component. A valve or switch could be faulty, or the heater core could be a clogged. Wait until the engine has cooled down and check the coolant level, topping it up if needed. Systems that simply don't work at all In this case, you're looking at a faulty blower motor, or an issue stopping power from reaching the blower motor.

My heater has suddenly started to blow cold: what should I do? What if hot antifreeze is in fact passing through my heater core? How to work out if my blend door is jammed or otherwise malfunctioning? Car heater not blowing hot air? Or… let your garage fix it For those without the necessary skills, mechanical aptitude or motivation, and for those who are simply too busy with other things, it may make a lot of sense to let your local garage fix the problem - particularly if the issue is difficult to diagnose.

Green Flag greenflag. RAC rac. The AA theaa. All competitor prices have been based on our most popular 3 star level of cover for a vehicle aged up to 5 years old. Cover includes nationwide recovery, home assistance, alternative transport, overnight accommodation and key assist. I Understand.