Engine overheating can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature by turning on and off at specific temperature thresholds.

Why is my car overheating and not blowing heat?

Engine overheating can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature by turning on and off at specific temperature thresholds.

Why is my car overheating and heater blowing cold air?

This can have a number of causes, with a faulty radiator cap being the most common. If you notice your engine is overheating, it also could be a blown head gasket, which is much more serious. Air bubbles in the cooling system can cause your heater to blow cold air, but they can do much worse if left unchecked.

Why does my Jeep Grand Cherokee have no heat?

The most common reasons a Jeep Grand Cherokee heater isn’t working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. Search our network of RepairPal Certified shops near you to speak with a technician about your issue.

Why is my Jeep Grand Cherokee overheating?

The most common reasons a Jeep Grand Cherokee is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. Coolant leak (water pump, radiator, hose etc.)

Can a blown head gasket cause no heat?

A blown head gasket can keep your car from starting. When you have a blown head gasket, you may have no heat, no white smoke, no start, no check engine light, or even no overheating in some cases.

Why is my Jeep Cherokee heater blowing cold air?

Low Coolant Level The coolant (usually a mixture of water and antifreeze) in your engine doesn’t just work to keep the engine from overheating: It’s also the source of heat supporting the heating system. If there isn’t enough coolant in your system, the heater core will blow cold air into your car.

Why is my Jeep Grand Cherokee blowing cold air?

Your Jeep heater is blowing cold air and you’re not sure why. Two possibilities exist. One is a stuck thermostat. The other possibility is a bad heater core.

What to do if Jeep is overheating?

5 Tips for Cooling Down an Overheating Jeep Engine

  1. Tip #1: Pull over. Turn off the air conditioning.
  2. Tip #2: If that doesn’t work, turn on the vehicle and crank the heat!
  3. Tip #3: Use your brakes less!
  4. Tip #4: Try parking your vehicle and revving the engine.
  5. Tip #5: Too late and things boiled over?

Where is the thermostat on a Jeep Grand Cherokee?

The thermostat is always in a visible and reachable spot. The Jeep Cherokee is even easier because the thermostat rests at the very top of the motor.