Skip the auto shop - Our mechanics make house calls

Q: No hot air BMW 118d

asked by on

I have a 2005 BMW 118d there is 17000 Kms on clock

I have no heat blowing from the AC even when at normal operating temp, air pressure isn't great either

I have tried changing the thermostat and doing a coolant flush and there was no joy Have you any ideas?

Thank you

My car has 16000 miles.
My car has a manual transmission.

A: Hi there: In many instances, the failure t...

Hi there:

In many instances, the failure to blow hot air into the cab of your vehicle is caused by a malfunctioning heater core. If the air pressure is low however it could be a fault with the blower motor as well or a sign of a faulty heater control valve. You might want to have a local mechanic complete a heater is not working inspection to help you diagnose what’s causing this issue so you can save time and money on repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Loud squeak in tire when driving

Make sure the splash shield located behind the brake assembly is not bent in any location. If it is even in the slightest, the brake rotor can be rubbing against it, creating a noise. Another possibility can be the hub...

Q: Brake locking - 1990 BMW 750iL

Your vehicle uses a high-pressure hydraulic brake booster. It's likely that the pressure regulator sensors that provide the braking assistance are not functioning correctly, providing too much "braking assistance". A professional mechanic, like YourMechanic, can assist with diagnosis of your...

Q: How can I tell if my tensioners are keeping pressure on my serpentine belt?

Hi there. Many serpentine belt tensioners have a built in gauge that can help you determine if it is in need of replacement. Here is a link to a picture of a similar style tensioner and what to look at...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.