Why is my Toyota car heater blowing cold air?
Some vehicles have a valve installed in the heater core inlet line. If the valve is stuck closed, that may also answer the question, is your Toyota car heater blowing cold air. Sometimes corrosion and plugged inner tubes may be the culprit, or debris has interrupted the heater core fins. Break open the heater box and clean it out completely.
How can I Fix my Toyota hot air heater?
The nut that holds the temp control to the dash loosens just enough so everytime you turn the temp knob or go over bumpy roads it makes and breaks the connection I found the fix on this site. A new control unit would cost approx 600 bucks. I repaired mine with a screwdriver, pliers, sockets and soldering iron in about 1 hour.
Why is my Toyota 02 HL running cold air?
Had a similar problem on my 02 HL. It is the 3 wire connector on the back of the temp control. The nut that holds the temp control to the dash loosens just enough so everytime you turn the temp knob or go over bumpy roads it makes and breaks the connection I found the fix on this site.
Why is my Toyota radiator low on coolant?
Wasn’t low in the reservoir and was at the top of the radiator too. I thought maybe it was low on coolant because we were on a windy road heading to the freeway. But then it happened down in the city at a stop light. It will be interesting to drive it more and see if it happens again. Is the Heat knob loose?
What causes a car to overheat when the AC is on?
Sometimes, switching the AC on causes overheating when the car is stationary or moving at low speeds. It happens due to a clogged radiator passage the blocks the airflow.
What happens if your car radiator is too hot?
If the engine is too hot, the thermostat will open to allow the flow of coolant into the radiator. The radiator will then cool it down before it is pumped back through the engine block by the water pump.
What to do if your Radiator is overheating?
Clean the radiator on a regular basis. Install an air pressure gauge at one of the radiator ends to check the airflow. Overheating could be the result of air getting trapped in the coolant system. Flush it to release the extra air and restore the normal condition.