Q: Why does the heater blow hot air for a short time and then blow cold air?

asked by on October 31, 2016

It takes a long time to get hot air and i turn it on and it works fine for like 2 min and then starts blowing cold air

My car has 231114 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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

What others are asking

Engine not cranking for first few attempts with Engine light on - 1997 Toyota Camry

Hi There, This may be related to many different possibilities, some of which may be related to a lack of spark or possibly timing issues and some of which may be related to a fuel delivery problem or a combination...

Car dies while driving

Hello, thank you for writing in. The vehicle can stall for many reasons. You are going to want to start with the most common causes, or do some further testing. To start, the fuel pump may be going out and...

Ac and heater are not blowing air

Hi there: In many cases, the failure of the blower motor to actually blow air into the cabin is caused by a blower motor resistor. This component is usually installed behind the dashboard or underneath the blower motor and can...

Motor Locked up

Check to see if the starter motor pinion gear is jammed in the ring gear on the flex plate. On the off chance that somehow the transmission is the issue, you can also try disconnecting the torque converter from the...

The car vibrates when engine running (idling).

Hi there. The engine and transmission mounts need to be replaced. The mounts keep the vehicle from vibrating when the engine is running and is most likely felt at idle. The shocks will no contribute to the vibration as the...

Engine vibrates when aircon is on and vibration increases specifically in traffic

Hey there. The "vibration that goes on and off" is likely the compressor cycling on and off - this is by design. However, the fact that this seems to have a pounding noise with it, is most not common for...

Thermostat housing leaks coolant

Hello. The thermostat gasket is most likely what is causing the leak. The gaskets overtime become hard and lose the ability to seal the coolant passing by the thermostat. The replacement of the thermostat and gasket is the most prevalent...

Horn stopped working.

The horn is powered by the fuse you changed out. The control is the horn button and it goes through the steering wheel and clock spring behind the steering wheel. The horn relay gets power from the fuse and control...

Possible fuel injector leak

Hello. If you believe that a fuel injector is leaking, the vehicle should not be driven and repaired as soon as possible since fuel is flammable. You should get the aid of a mechanic to perform an inspection to determine...

Related articles

Symptoms of a Bad or Failing Water Pump
Common signs include coolant leaks at the front-center of the car, loose water pump pulley, overheating engine, and steam coming from the radiator.
A Buyer’s Guide to the 2012 Toyota FJ Cruiser
If If you’re looking for a hint of nostaligia in an SUV that can actually handle off-roading like a pro, the 2012 Toyota FJ Cruiser is the perfect choice for you. Designed specifically for tackling those off-road jaunts, what this...
2012 Toyota Sienna vs. 2012 Dodge Grand Caravan: Which One Should I Buy?
The battle of the minivans: Toyota Sienna versus the Dodge Grand Caravan. Both of these comfy people-movers provide options galore, and the minivan is meant to get everyone where they need to go safely and quickly, at a reasonable cost...