Skip the auto shop - Our mechanics make house calls

Q: My heat blows out of the passenger vents but blows cold air out of driver vent...what is the issue???

asked by on

When I turned on my heat the other night in my car...it was blowing heat out of the passenger side but cold air was coming out on driver side vents.

My car has 42000 miles.
My car has an automatic transmission.

A: Hey there. The temperature blend door on th...

Hey there. The temperature blend door on the left side is not switching from cold to warm. The temperature actuator needs to be replaced and the linkage checked. Have a local expert inspect the cooling system to verify these issues and move forward with the proper 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・Save up to 30%

Get a quote

What others are asking

Q: Heat in the front won't work

Hi there. The front heater core my be restricted. A cooling system flush may resolve the problem. It may be a faulty temperature blend door actuator if the blower motor is still not operational. Checking the fuse would be in...

Q: What does the A/C Off Due to High Engine Temp message mean?

The A/C Off Due to High Engine Temp message can appear on your driver information center (DIC). When the DIC displays this alert, it means that the coolant in the engine is too hot, and the engine is not able...

Q: the high speed of coolant fan doesn't turn on when the engine overheats

Hi there. The high speed cooling fan is usually controlled by a spectate thermal switch, so it's possible that this thermal switch has failed. However, you should try as hard you can to obtain the correct ECU for this car,...

Related articles

How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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.