Q: Heater not always blowing heat
MY or pt courser heat comes out warm then back to cold turn it back on warms up for awhile and then back to cold
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
Thermostat problems
There are a few common causes for the AC blowing hot air (https://www.yourmechanic.com/article/why-won-t-my-ac-blow-cold-air), the most common is that the vehicle is low on refrigerant, other causes could be the blend motor has failed or the compressor is not working properly....
What could be cuasing my problems?
I would recommend having the battery tested along with the voltage regulator. When the voltage regulator does not regulate amperage correctly to the accessories (i.e. gauges, etc.), this can cause problems with accuracy and allowing them to read correctly. I...
My car have a RAF problem
Hello, thanks for contacting YourMechanic. When a vehicle is started up and about a liter of water emerges from the tail pipe, there is a problem. One problem is that you could have too much condensation in your pipes. The...
Vibration in front with loud humming sound
Hello, A wheel bearing will usually fail due to pitting or small damage on the surface of the rollers or the bearing race. Both the surface of the rollers and the race is precision machined to tight tolerances and highly...
When I turn my car on the idle is high and it doesn't come down. When I drive, it basically drives itself.
Hi and thanks for your question. Check the gas pedal to see if it is coming all the way up. Check the throttle body (https://www.yourmechanic.com/services/throttle-body-replacement) to ensure that the throttle plate is not sticking. If everything is working correctly, check...
What does the PCV valve and hose look like and where are they located?
Hi there. The PCV valve for this particular model is built into the hose assembly. The hose is a larger hose that connects to the intake plenum and runs to the rear valve cover, you can't miss it as it's...
Why does my Rolls Royce Ghost make a knocking noise when turning
Hello. Typically this noise will occur on full turn when you have the wrong size wheels on it or if it has a worn out ball joint. Most of the time this is caused by a ball joint. The vehicle...
When car is running I can put it into gear without pushing the clutch peddle down but it doesn't engage 1988 Mitsubishi
Hello - there are 2 possibilities here: the first, and the one you hope for, is that the shift linkage has failed (most likely shifter cables (https://www.yourmechanic.com/article/3-essential-things-to-know-about-your-car-s-gear-shifter)), and you are not actually selecting a gear in the transmission although it...
my alternator belt keeps breaking what could cause this
Hi Paula. Thanks for contacting us today. 95% of the time, frequent alternator or serpentine belt breakage is caused by either faulty pulley's or misaligned or un-properly adjusted belts. Belts that are not properly adjusted to tightness can also explain...
Related articles
Symptoms of a Bad or Failing Heater Blower Motor
If your car's heater doesn't work, only works on certain speeds, or only cold air comes out, you may need to replace the heater blower motor.
How Long Does a Heat Shield Last?
The The heat that is produced by the exhaust system of an engine is much higher than most people realize. With all of the vital and sensitive components that are on your engine, it is important to have the right...
How to Flush Out Your Heater Core
If your car’s heater (https://www.yourmechanic.com/article/how-to-buy-a-good-quality-heater) doesn’t seem to be working too well, it might be time to flush it out....
Browse other content
Maintenance
Estimates