If your car heater is blowing cold air, there may be a problem with the cooling or climate control system. In many cases, the heater itself is not the real issue.
At Priebe’s Auto Clinic & Tire Center in Oklahoma City, we see this problem often when the weather starts getting colder.
Low Coolant
Your heater uses hot engine coolant to create warm air. If the coolant level is low, the heater may not get enough heat to warm the cabin. Low coolant can also be a sign of a leak, so it should not be ignored. Every vehicle has a coolant reservoir like the one below. This is where you check the coolant level.
Thermostat Problems
A thermostat that is stuck open can keep the engine from reaching the right temperature. When that happens, the heater may blow cool or lukewarm air even after the engine has been running for a while.
Heater Core Problems
The heater core works like a small radiator inside the dash. If it becomes clogged or does not get enough hot coolant, the air coming from the vents may stay cold. Sometimes these can be backflushed in order to clear them out. Other times they have to be replaced. Below is a Leaking Heater Core on a Dodge Truck. The heater on this truck was not working due to Coolant Loss.
Blend Door or Actuator Issues
Blend doors control how hot and cold air moves through the dash. It uses a system of ducts and doors in the dash that open and close to control air flow. If one of the blend doors or actuators fails, the system may stay on the cold setting even when you turn the heat up.
Heater Repair in Oklahoma City
If your car heater is blowing cold air, takes too long to warm up, or only gets warm while driving, bring it to Priebe’s Auto Clinic & Tire Center in Oklahoma City.
Our team can check the coolant level, thermostat, heater core, blend doors, and other related parts to help find the real cause.
Schedule heater and cooling system diagnostics with Priebe’s Auto Clinic & Tire Center in OKC today.
